雅思阅读 Complete IELTS Unit 1 Great places to be
剑桥雅思阅读5原文翻译及答案（test1）
剑桥雅思阅读5原文翻译及答案(test1)雅思阅读是块难啃的硬骨头，需要我们做更多的题目才能得心应手。
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READING PASSAGE 1You should spend about 20 minutes on Questions 1-13, which are based on Reading Passage 1 below.Johnson’s DictionaryFor the centur y before Johnson’s Dictionary was published in 1775, there had been concern about the state of the English language. There was no standard way of speaking or writing and no agreement as to the best way of bringing some order to the chaos of English spelling. Dr Johnson provided the solution.There had, of course, been dictionaries in the past, the first of these being a little book of some 120 pages, compiled by a certain Robert Cawdray, published in 1604 under the title A Table Alphabeticall ‘of hard usuall English wordes’. Like the various dictionaries that came after it during the seventeenth century, Cawdray’s tended to concentrate on ‘scholarly’ words; one function of the dictionary was to enable its student to convey an impression of fine learning.Beyond the practical need to make order out of chaos, the rise of dictionaries is associated with the rise of the English middle class, who were anxious to define and circumscribe thevarious worlds to conquer —lexical as well as social and commercial. it is highly appropriate that Dr Samuel Johnson, the very model of an eighteenth-century literary man, as famous in his own time as in ours, should have published his Dictionary at the very beginning of the heyday of the middle class.Johnson was a poet and critic who raised common sense to the heights of genius. His approach to the problems that had worried writers throughout the late seventeenth and early eighteenth centuries was intensely practical. Up until his time, the task of producing a dictionary on such a large scale had seemed impossible without the establishment of an academy to make decisions about right and wrong usage. Johnson decided he did not need an academy to settle arguments about language; he would write a dictionary himself and he would do it single-handed. Johnson signed the contract for the Dictionary with the bookseller Robert Dosley at a breakfast held at the Golden Anchor Inn near Holbom Bar on 18 June 1764.He was to be paid ￡1.575 in instalments, and from this he took money to rent Gou gh Square, in which he set up his ‘dictionary workshop’.James Boswell, his biographer, described the garret where Johnson worked as ‘fitted up like a counting house’ with a long desk running down the middle at which the copying clerks would work standing up. Johnson himself was stationed on a rickety chair at an ‘old crazy deal table’ surrounded by a chaos of borrowed books. He was also helped by six assistants, two of whom died whilst the Dictionary was still in preparation.The work was immense; filling about eighty large notebooks (and without a library to hand), Johnson wrote the definitions of over 40,000 words, and illustrated their many meanings with some 114,000 quotations drawn from English writing on everysubject, from the Elizabethans to his own time. He did not expect to achieve complete originality. Working to a deadline, he had to draw on the best of all previous dictionaries, and to make his work one of heroic synthesis. In fact, it was very much more. Unlike his predecessors, Johnson treated English very practically, as a living language, with many different shades of meaning. He adopted his definitions on the principle of English common law —according to precedent. After its publication, his Dictionary was not seriously rivalled for over a century.After many vicissitudes the Dictionary was finally published on 15 April 1775. It was instantly recognised as a landmark throughout Europe. ‘This very noble work,’ wrote the leading Italian lexicographer, ‘will be a perpetual monument of Fame to the Author, an Honour to his own Country in particular, and a general Benefit to the republic of Letters throughout Europe" The fact that Johnson had taken on the Academies of Europe and matched them (everyone knew that forty French academics had taken forty years to produce the first French national dictionary) was cause for much English celebration.Johnson had worked for nine years, ‘with little assistance of the learned, and without any patronage of the great; not in the soft obscurities of retirement, or under the shelter of academic bowers, but amidst inconvenience and distraction, in sickness and in sorrow’. For all its faults and eccentricities his two-volume work is a masterpiece and a landmark, in his own words, ‘setting the orthography, displaying the analogy, regulating the structures, and ascertaining the significations of English words’. It is the cornerstone of Standard English an achievement which, in James Boswell’s words ‘conferred stability on the language of his country.’The Dictionary, together with his other writing, made Johnson famous and so well esteemed that his friends were able to prevail upon King George Ⅲ to offer him a pension. From then on, he was to become the Johnson of folklore.Questions 1-3Choose THREE letters A-H.Write your answers in boxes 1-3 on your answer sheet.NB Your answers may be given in any order.Which THREE of the following statements are true of Johnson’s Dictionary?A It avoided all scholarly words.B It was the only English dictionary in general use for 200 years.C It was famous because of the large number of people involved.D It focused mainly on language from contemporary texts.E There was a time limit for its completion.F It ignored work done by previous dictionary writers.G It took into account subtleties of meaning.H Its definitions were famous for their originality.Questions 4-7Complete the summary.Choose NO MORE THAN TWO WORDS from the passage for each answer.Write your answers in boxes 4-7 on your answer sheet.In 1764 Dr Johnson accepted the contract to produce a dictionary. Having rented a garret, he took on a number of 4…………, who stood at a long central desk. Johnson did not have a 5………… available to him, but eventually produced definitions of in excess of 40,000 words written down in 80 large notebooks.On publications, the Dictionary was immediately hailed in many European countries as a landmark. According to his biographer, James Boswell, Johnson’s principal achievement was to bring 6……… to the English language. As a reward for his ha rd work, he was granted a 7………by the king.Questions 8-13Do the following statements agree with the information given in Reading Passage 1?In boxes 8-13 on your answer sheet, writeTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on this8 The growing importance of the middle classes led to an increased demand for dictionaries.9 Johnson has become more well known since his death.10 Johnson had been planning to write a dictionary for several years.11 Johnson set up an academy to help with the writing of his Dictionary.12 Johnson only received payment for his Dictionary on its completion.13 Not all of the assistants survived to see the publication of the Dictionary.READING PASSAGE 2You should spend about 20 minutes on Questions 14-26, which are based on Reading Passage 2 below.Nature or Nurture?A A few years ago, in one of the most fascinating and disturbing experiments in behavioural psychology, Stanley Milgram of Yale University tested 40 subjects from all walks of lifefor their willingness to obey instructions given by a ‘leader’ in a situation in which the subjects might feel a personal distaste for the actions they were called upon to perform. Specifically M ilgram told each volunteer ‘teacher-subject’ that the experiment was in the noble cause of education, and was designed to test whether or not punishing pupils for their mistakes would have a positive effect on the pupils’ ability to learn.B Milgram’s expe rimental set-up involved placing the teacher-subject before a panel of thirty switches with labels ranging from ‘15 volts of electricity (slight shock)’ to ‘450 volts (danger —severe shock)’ in steps of 15 volts each. The teacher-subject was told that whenever the pupil gave the wrong answer to a question, a shock was to be administered, beginning at the lowest level and increasing in severity with each successive wrong answer. The supposed ‘pupil’ was in reality an actor hired by Milgram to simulate receiving the shocks by emitting a spectrum of groans, screams and writings together with an assortment of statements and expletives denouncing both the experiment and the experimenter. Milgram told the teacher-subject to ignore the reactions of the pupil, and to administer whatever level of shock was called for, as per the rule governing the experimental situation of the moment.C As the experiment unfolded, the pupil would deliberately give the wrong answers to questions posed by the teacher, thereby bringing on various electrical punishments, even up to the danger level of 300 volts and beyond. Many of the teacher-subjects balked at administering the higher levels of punishment, and turned to Milgram with questioning looks and/or complaints about continuing the experiment. In these situations, Milgramcalmly explained that the teacher-subject was to ignore the pupil’s cries for mercy and carry on with the experiment. If the subject was still reluctant to proceed, Milgram said that it was important for the sake of the experiment that the procedure be followed through to the end. His final argument was ‘you have no other choice. You must go on’. What Milgram was trying to discover was the number of teacher-subjects who would be willing to administer the highest levels of shock, even in the face of strong personal and moral revulsion against the rules and conditions of the experiment.D Prior to carrying out the experiment, Milgram explained his idea to a group of 39 psychiatrists and asked them to predict the average percentage of people in an ordinary population who would be willing to administer the highest shock level of 450 volts. The overwhelming consensus was that virtually all the teacher-subjects would refuse to obey the experimenter. The psychiatrists felt that ‘most subjects would not go beyond 150 volts’ and they further anticipated that only four per cent would go up to 300 volts. Furthermore, they thought that only a lunatic fringe of about one in 1,000 would give the highest shock of 450 volts.E What were the actual results? Well, over 60 per cent of the teacher-subjects continued to obey Milgram up to the 450-volt limit in repetitions of the experiment in other countries, the percentage of obedient teacher-subjects was even higher, reaching 85 per cent in one country. How can we possibly account for this vast discrepancy between what calm, rational, knowledgeable people predict in the comfort of their study and what pressured, flustered, but cooperative ‘teachers’ actually do in the laboratory of real life?F One’s first inclination might be to argue that there must be some sort of built-in animal aggression instinct that was activated by the experiment, and that Milgram’s teache-subjects were just following a genetic need to discharge this pent-up primal urge onto the pupil by administering the electrical shock. A modern hard-core sociobiologist might even go so far as to claim that this aggressive instinct evolved as an advantageous trait, having been of survival value to our ancestors in their struggle against the hardships of life on the plains and in the caves, ultimately finding its way into our genetic make-up as a remnant of our ancient animal ways.G An alternative to this notion of genetic programming is to see the teacher-subjects’ actions as a result of the social environment under which the experiment was carried out. As Milgram himself pointed out, ‘Most subjects in the experiment see their behaviour in a larger context that is benevolent and useful to society —the pursuit of scientific truth. The psychological laboratory has a strong claim to legitimacy and evokes trust and confidence in those who perform there. An action such as shocking a victim, which in isolation appears evil, acquires a completely different meaning when placed in this se tting.’H Thus, in this explanation the subject merges his unique personality and personal and moral code with that of larger institutional structures, surrendering individual properties like loyalty, self-sacrifice and discipline to the service of malevolent systems of authority.I Here we have two radically different explanations for why so many teacher-subjects were willing to forgo their sense of personal responsibility for the sake of an institutional authorityfigure. The problem for biologists, psychologists and anthropologists is to sort out which of these two polar explanations is more plausible. This, in essence, is the problem of modern sociobiology — to discover the degree to which hard-wired genetic programming dictates, or at least strongly biases, the interaction of animals and humans with their environment, that is, their behaviour. Put another way, sociobiology is concerned with elucidating the biological basis of all behaviour.Questions 14-19Reading Passage 2 has nine paragraphs, A-I.Which paragraph contains the following information?Write the correct letter A-I in boxes 14-19 on your answer sheet.14 a biological explanation of the teacher-subjects’ behaviour15 the explanation Milgram gave the teacher-subjects for the experiment16 the identity of the pupils17 the expected statistical outcome18 the general aim of sociobiological study19 the way Milgram persuaded the teacher-subjects to continueQuestions 20-22Choose the correct letter, A, B, C or D.Write your answers in boxes 20-22 on your answer sheet.20 The teacher-subjects were told that were testing whetherA a 450-volt shock was dangerous.B punishment helps learning.C the pupils were honest.D they were suited to teaching.21 The teacher-subjects were instructed toA stop when a pupil asked them to.B denounce pupils who made mistakes.C reduce the shock level after a correct answer.D give punishment according to a rule.22 Before the experiment took place the psychiatristsA believed that a shock of 150 volts was too dangerous.B failed to agree on how the teacher-subjects would respond to instructions.C underestimated the teacher-subjects’ willingness to comply with experimental procedure.D thought that many of the teacher-subjects would administer a shock of 450 volts.Questions 23-26Do the following statements agree with the information given in Reading Passage 2?In boxes 23-26 on your answer sheet, writeTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on this23 Several of the subjects were psychology students at Yale University.24 Some people may believe that the teacher-subjects’ behaviour could be explained as a positive survival mechanism.25 In a sociological explanation, personal values are more powerful than authority.26 Milgram’s experiment solves an important question in sociobiology.READING PASSAGE 3You should spend about 20 minutes on Questions 27-40,which are based on Reading Passage 3 below.The Truth about the EnvironmentFor many environmentalists, the world seems to be getting worse. They have developed a hit-list of our main fears: that natural resources are running out; that the population is ever growing, leaving less and less to eat; that species are becoming extinct in vast numbers, and that the planet’s air and water are becoming ever more polluted.But a quick look at the facts shows a different picture. First, energy and other natural resources have become more abundant, not less so, since the book ‘The Limits to Growth’ was published in 1972 by a group of scientists. Second, more food is now produced per head of the world’s population than at any time in history. Fewer people are starving. Third, although species are indeed becoming extinct, only about 0.7% of them are expected to disappear in the next 50 years, not 25-50%, as has so often been predicted. And finally, most forms of environmental pollution either appear to have been exaggerated, or are transient —associated with the early phases of industrialisation and therefore best cured not by restricting economic growth, but by accelerating it. One form of pollution — the release of greenhouse gases that causes global warming — does appear to be a phenomenon that is going to extend well into our future, but its total impact is unlikely to pose a devastating problem. A bigger problem may well turn out to be an inappropriate response to it.Yet opinion polls suggest that many people nurture the belief that environmental standards are declining and four factors seem to cause this disjunction between perception and reality.One is the lopsidedness built into scientific research. Scientific funding goes mainly to areas with many problems. That may be wise policy, but it will also create an impression that many more potential problems exist than is the case.Secondly, environmental groups need to be noticed by the mass media. They also need to keep the money rolling in. Understandably, perhaps, they sometimes overstate their arguments. In 1997, for example, the World Wide Fund for Nature issued a press release entitled: ‘Two thirds of the world’s forests lost forever.’ The truth turns out to be nearer 20%.Though these groups are run overwhelmingly by selfless folk, they nevertheless share many of the characteristics of other lobby groups. That would matter less if people applied the same degree of scepticism to environmental lobbying as they do to lobby groups in other fields. A trade organisation arguing for, say, weaker pollution controls is instantly seen as self-interested. Yet a green organisation opposing such a weakening is seen as altruistic, even if an impartial view of the controls in question might suggest they are doing more harm than good.A third source of confusion is the attitude of the media. People are clearly more curious about bad news than good. Newspapers and broadcasters are there to provide what the public wants. That, however, can lead to significant distortions of perception. An example was America’s encounter with El Nino in 1997 and 1998. This climatic phenomenon was accused of wrecking tourism, causing allergies, melting the ski-slopes and causing 22 deaths. However, according to an article in the Bulletin of the American Meteorological Society, the damage it did was estimated at US$4 billion but the benefits amounted to some US$19 billion. These came from higher winter temperatures(which saved an estimated 850 lives, reduced heating costs and diminished spring floods caused by meltwaters).The fourth factor is poor individual perception. People worry that the endless rise in the amount of stuff everyone throws away will cause the world to run out of places to dispose of waste. Yet, even if America’s trash output continues to rise as it has done in the past, and even if the American population doubles by 2100, all the rubbish America produces through the entire 21st century will still take up only one-12,000th of the area of the entire United States.So what of global warming? As we know, carbon dioxide emissions are causing the planet to warm. The best estimates are that the temperatures will rise by 2-3℃ in this century, causing considerable problems, at a total cost of US$5,000 billion.Despite the intuition that something drastic needs to be done about such a costly problem, economic analyses clearly show it will be far more expensive to cut carbon dioxide emissions radically than to pay the costs of adaptation to the increased temperatures. A model by one of the main authors of the United Nations Climate Change Panel shows how an expected temperature increase of 2.1 degrees in 2100 would only be diminished to an increase of 1.9 degrees. Or to put it another way, the temperature increase that the planet would have experienced in 2094 would be postponed to 2100.So this does not prevent global warming, but merely buys the world six years. Yet the cost of reducing carbon dioxide emissions, for the United States alone, will be higher than the cost of solving the world’s single, most pressing health problem: providing universal access to clean drinking water and sanitation. Such measures would avoid 2 million deaths every year, andprevent half a billion people from becoming seriously ill.It is crucial that we look at the facts if we want to make the best possible decisions for the future. It may be costly to be overly optimistic — but more costly still to be too pessimistic.Questions 27-32Do the following statements agree with the claims of the writer in Reading Passage 3?In boxes 27-32 on your answer sheet, writeYES if the statement ag rees with the writer’s claimsNO if the statement contradicts the writer’s clamsNOT GIVEN if it is impossible to say what the writer thinks about this27 Environmentalists take a pessimistic view of the world fora number of reasons28 Data on the Earth’s natural resources has only been collected since 1972.29 The number of starving people in the world has increased in recent years.30 Extinct species are being replaced by new species.31 Some pollution problems have been correctly linked to industrialisation.32 It would be best to attempt to slow down economic growth.Questions 33-37Choose the correct letter, A, B, C or D.Write your answers in boxes 33-37 on your answer sheet.33 What aspect of scientific research does the writer express concern about in paragraph 4?A the need to produce resultsB the lack of financial supportC the selection of areas to researchD the desire to solve every research problem34 The writer quotes from the Worldwide Fund for Nature to illustrate howA influential the mass media can be.B effective environmental groups can be.C the mass media can help groups raise funds.D environmental groups can exaggerate their claims.34 What is the writer’s main point about lobby groups in paragraph 6?A Some are more active than others.B Some are better organised than others.C Some receive more criticism than others.D Some support more important issues than others.35 The writer suggests that newspapers print items that are intended toA educate readers.B meet their readers’ expec tations.C encourage feedback from readers.D mislead readers.36 What does the writer say about America’s waste problem?A It will increase in line with population growth.B It is not as important as we have been led to believe.C It has been reduced through public awareness of the issues.D It is only significant in certain areas of the country.Questions 38-40Complete the summary with the list of words A-I below.Write the correct letter A-I in boxes 38-40 on your answer sheet.GLOBAL WARMINGThe writer admits that global warming is a 38…………….challenge, but says that it will not have a catastrophic impact on our future, if we deal with it in the 39…………… way. If we try to reduce the levels of greenhouse gases, he believes that it would only have a minimal impact on rising temperatures. He feels it would be better to spend money on the more 40………… health problem of providing the world’s population with clean drinking water.A unrealisticB agreedC expensiveD rightE long-termF usualG surprisingH personalI urgent剑桥雅思阅读5原文参考译文(test1)TEST 1 PASSAGE 1参考译文：Johnson’s Dictionary约翰逊博士的字典For the century before Johnson’s Dictionary was published in 1775, there had been concern about the state of the English language. There was no standard way of speaking or writing and no agreement as to the best way of bringing some order to the chaos of English spelling. Dr Johnson provided the solution.约翰逊博士的《字典》于1775年出版，在此之前的一个世纪，人们一直对英语的发展状况担忧。
剑桥雅思阅读9(test1)原文答案解析
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剑桥雅思阅读9原文(test1)READING PASSAGE 1You should spend about 20 minutes on Questions 1-13, which are based on Reading Passage 1 below.William Henry PerkinThe man who invented synthetic dyesWilliam Henry Perkin was born on March 12, 1838, in London, England. As a boy, Perkin’s curiosity prompted early intere sts in the arts, sciences, photography, and engineering. But it was a chance stumbling upon a run-down, yet functional, laboratory in his late grandfather’s home that solidified the young man’s enthusiasm for chemistry.As a student at the City of London School, Perkin became immersed in the study of chemistry. His talent and devotion to the subject were perceived by his teacher, Thomas Hall, who encouraged him to attend a series of lectures given by the eminent scientist Michael Faraday at the Royal Institution. Those speeches fired the young chemist’s enthusiasm further, and he later went on to attend the Royal College of Chemistry, which he succeeded in entering in 1853, at the age of 15.At the time of Perkin’s enrolment, the Royal College of Chemistry was headed by the noted German chemist August Wilhelm Hofmann. Perkin’s scientific gifts soon caught Hofmann’s attention and, within two years, he becameHofmann’s youngest assistant. Not long after that, Perkin made the scientific breakthrough that would bring him both fame and fortune.At the time, quinine was the only viable medical treatment for malaria. The drug is derived from the bark of the cinchona tree, native to South America, and by 1856 demand for the drug was surpassing the available supply. Thus, when Hofmann made some passing comments about the desirability of a synthetic substitute for quinine, it was unsurprising that his star pupil was moved to take up the challenge.During his vacation in 1856, Perkin spent his time in the laboratory on th e top floor of his family’s house. He was attempting to manufacture quinine from aniline, an inexpensive and readily available coal tar waste product. Despite his best efforts, however, he did not end up with quinine. Instead, he produced a mysterious dark sludge. Luckily, Perkin’s scientific training and nature prompted him to investigate the substance further. Incorporating potassium dichromate and alcohol into the aniline at various stages of the experimental process, he finally produced a deep purple solution. And, proving the truth of the famous scientist Louis Pasteur’s words ‘chance favours only the prepared mind’, Perkin saw the potential of his unexpected find.Historically, textile dyes were made from such natural sources as plants and animal excretions. Some of these, such as the glandular mucus of snails, were difficult to obtain and outrageously expensive. Indeed, the purple colour extracted from a snail was once so costly in society at the time only the rich could afford it. Further, natural dyes tended to be muddy in hue and fade quickly. It was against this backdrop that Perkin’sdiscovery was made.Perkin quickly grasped that his purple solution could be used to colour fabric, thus making it the world’s first synthetic dye. Realising the importance of this breakthrough, he lost no time in patenting it. But perhaps the most fascinating of all Perkin’s reactions to his find was his nearly instant recognition that the new dye had commercial possibilities.Perkin originally named his dye Tyrian Purple, but it later became commonly known as mauve (from the French for the plant used to make the colour violet). He asked advice of Scottish dye works owner Robert Pullar, who assured him that manufacturing the dye would be well worth it if the colour remained fast (i.e. would not fade) and the cost was relatively low. So, over the fierce objections of his mentor Hofmann, he left college to give birth to the modern chemical industry.With the help of his father and brother, Perkin set up a factory not far from London. Utilising the cheap and plentiful coal tar that was an almost unlimited byproduct of London’s gas street lighting, the dye works began producing the world’s first synthetically dyed material in 1857. The company received a commercial boost from the Empress Eugenie of France, when she decided the new colour flattered her. Very soon, mauve was the necessary shade for all the fashionable ladies in that country. Not to be outdone, England’s Queen Victoria also appeared in public wearing a mauve gown, thus making it all the rage in England as well. The dye was bold and fast, and the public clamoured for more. Perkin went back to the drawing board.Although Perkin’s fame was achieved and fortune assured by his first discovery, the chemist continued his research. Among other dyes he developed and introduced were aniline red (1859)and aniline black (1863) and, in the late 1860s, Perkin’s green. It is important to note that Perkin’s synthetic dye discoveries had outcomes far beyond the merely decorative. The dyes also became vital to medical research in many ways. For instance, they were used to stain previously invisible microbes and bacteria, allowing researchers to identify such bacilli as tuberculosis, cholera, and anthrax. Artificial dyes continue to play a crucial role today. And, in what would have been particularly pleasing to Perkin, their current use is in the search for a vaccine against malaria.Questions 1-7Do the following statements agree with the information given in Reading Passage 1?In boxes 1-7 on your answer sheet, writeTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on this1 Michael Faraday was the first person to recognise Perkin’s ability as a student of chemistry.2 Michael Faraday suggested Perkin should enrol in the Royal College of Chemistry.3 Perkin employed August Wilhelm Hofmann as his assistant.4 Perkin was still young when he made the discovery that made him rich and famous.5 The trees from which quinine is derived grow only in South America.6 Perkin hoped to manufacture a drug from a coal tar waste product.7 Perkin was inspired by the discoveries of the famous scientist Louis Pasteur.Questions 8-13Answer the questions below.Choose NO MORE THAN TWO WORDS from the passage for each answer.Write your answers in boxes 8-13 on your answer sheet.8 Before Perkin’s discovery, with what group in society was the colour purple associated?9 What potential did Perkin immediately understand that his new dye had?10 What was the name finally used to refer to the first colour Perkin invented?11 What was the name of the person Perkin consulted before setting up his own dye works?12 In what country did Perkin’s newly invented colour first become fashionable?13 According to the passage, which disease is now being targeted by researchers using synthetic dyes?READING PASSAGE 2You should spend about 20 minutes on Questions 14-26, which are based on Reading Passage 2 on the following pages.Questions 14-17Reading Passage 2 has five paragraphs, A-E.Choose the correct heading for paragraphs B-E from the list of headings below.Write the correct number, i-vii, in boxes 14-17 on your answer sheet.List of Headingsi Seeking the transmission of radio signals from planetsii Appropriate responses to signals from other civilisations iii Vast distances to Earth’s closest neighboursiv Assumptions underlying the search for extra-terrestrial intelligencev Reasons for the search for extra-terrestrial intelligencevi Knowledge of extra-terrestrial life formsvii Likelihood of life on other planetsExample AnswerParagraph A v14 Paragraph B15 Paragraph C16 Paragraph D17 Paragraph EIS THERE ANYBODY OUT THERE?The Search for Extra-terrestrial IntelligenceThe question of whether we are alone in the Universe has haunted humanity for centuries, but we may now stand poised on the brink of the answer to that question, as we search for radio signals from other intelligent civilisations. This search, often known by the acronym SETI (search for extra-terrestrial intelligence), is a difficult one. Although groups around the world have been searching intermittently for three decades, it is only now that we have reached the level of technology where we can make a determined attempt to search all nearby stars for any sign of life.AThe primary reason for the search is basic curiosity hethe same curiosity about the natural world that drives all pure science. We want to know whether we are alone in the Universe. We want to know whether life evolves naturally if given the right conditions, or whether there is something very special about the Earth to have fostered the variety of life forms that, we seearound us on the planet. The simple detection of a radio signal will be sufficient to answer this most basic of all questions. In this sense, SETI is another cog in the machinery of pure science which is continually pushing out the horizon of our knowledge. However, there are other reasons for being interested in whether life exists elsewhere. For example, we have had civilisation on Earth for perhaps only a few thousand years, and the threats of nuclear war and pollution over the last few decades have told us that our survival may be tenuous. Will we last another two thousand years or will we wipe ourselves out? Since the lifetime of a planet like ours is several billion years, we can expect that, if other civilisations do survive in our galaxy, their ages will range from zero to several billion years. Thus any other civilisation that we hear from is likely to be far older, on average, than ourselves. The mere existence of such a civilisation will tell us that long-term survival is possible, and gives us some cause for optimism. It is even possible that the older civilisation may pass on the benefits of their experience in dealing with threats to survival such as nuclear war and global pollution, and other threats that we haven’t yet discovered.BIn discussing whether we are alone, most SETI scientists adopt two ground rules. First, UFOs (Unidentified Flying Objects) are generally ignored since most scientists don’t consider the evidence for them to be strong enough to bear serious consideration (although it is also important to keep an open mind in case any really convincing evidence emerges in the future). Second, we make a very conservative assumption that we are looking for a life form that is pretty well like us, since if it differs radically from us we may well not recognise it as a life form,quite apart from whether we are able to communicate with it. In other words, the life form we are looking for may well have two green heads and seven fingers, but it will nevertheless resemble us in that it should communicate with its fellows, be interested in the Universe, live on a planet orbiting a star like our Sun, and perhaps most restrictively, have a chemistry, like us, based on carbon and water.CEven when we make these assumptions, our understanding of other life forms is still severely limited. We do not even know, for example, how many stars have planets, and we certainly do not know how likely it is that life will arise naturally, given the right conditions. However, when we look at the 100 billion stars in our galaxy (the Milky Way), and 100 billion galaxies in the observable Universe, it seems inconceivable that at least one of these planets does not have a life form on it; in fact, the best educated guess we can make, using the little that we do know about the conditions for carbon-based life, leads us to estimate that perhaps one in 100,000 stars might have a life-bearing planet orbiting it. That means that our nearest neighbours are perhaps 100 light years away, which is almost next door in astronomical terms.DAn alien civilistation could choose many different ways of sending information across the galaxy, but many of these either require too much energy, or else are severely attenuated while traversing the vast distances across the galaxy. It turns out that, for a given amount of transmitted power, radio waves in the frequency range 1000 to 3000 MHz travel the greatest distance, and so all searches to date have concentrated on looking forradio waves in this frequency range. So far there have been a number of searches by various groups around the world, including Australian searches using the radio telescope at Parkes, New South Wales. Until now there have not been any detections from the few hundred stars which have been searched. The scale of the searches has been increased dramatically since 1992, when the US Congress voted NASA $10 million per year for ten years to conduct, a thorough search for extra-terrestrial life. Much of the money in this project is being spent on developing the special hardware needed to search many frequencies at once. The project has two parts. One part is a targeted search using the world’s largest radio telescopes, the American-operated telescope in Arecibo, Puerto Rico and the French telescope in Nancy in France. This part of the project is searching the nearest 1000 likely stars with high sensitivity for signals in the frequency rang 1000 to 3000 MHz. The other part of the project is an undirected search which is monitoring all of space with a lower sensitivity, using the smaller antennas of NASA’s Deep Space Network.EThere is considerable debate over how we should react if we detect a signal from an alien civilisation. Everybody agrees that we should not reply immediately. Quite apart from the impracticality of sending a reply over such large distances at short notice, it raises a host of ethical questions that would have to be addressed by the global community before any reply could be sent. Would the human race face the culture shock if faced with a superior and much older civilisation? Luckily, there is no urgency about this. The stars being searched are hundreds of light years away, so it takes hundreds of years for their signal toreach us, and a further few hundred years for our reply to reach them. It’s not important, then, if there’s a delay of a few years, or decades, while the human race debates the question of whether to reply, and perhaps carefully drafts a reply.Questions 18-20Answer the questions below.Choose NO MORE THAN THREE WORDS AND/OR A NUMBER from the passage for each answer.Write your answers in boxes 18-20 on your answer sheet.18 What is the life expectancy of Earth?19 What kind of signals from other intelligent civilisations are SETI scientists searching for?20 How many stars are the world’s most powerful radio telescopes searching?Questions 21-26Do the following statements agree with the views of the writer in Reading Passage 2?In boxes 21-26 on your answer sheet, writeYES if the statement agrees with the views of the writerNO if the statement contradicts the views of the writerNOT GIVEN if it is impossible to say what the writer thinks about this21 Alien civilisations may be able to help the human race to overcome serious problems.22 SETI scientists are trying to find a life form that resembles humans in many ways.23 The Americans and Australians have co-operated on joint research projects.24 So far SETI scientists have picked up radio signals from several stars.25 The NASA project attracted criticism from some members of Congress.26 If a signal from outer space is received, it will be important to respond promptly.READING PASSAGE 3You should spend about 20 minutes on Questions 27-40, which are based on Reading Passage 3 below.The history of the tortoiseIf you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all around us, other groups that have succeeded out of water include scorpions, snails, crustaceans such as woodlice and land crabs, millipedes and centipedes, spiders and various worms. And we mustn’t forget the pla nts, without whose prior invasion of the land none of the other migrations could have happened.Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction. Nevertheless, a good number of thorough going land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again. Seals have only gone part way back. They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs. Whales (including the small whales we call dolphins) and dugongs, with their close cousins the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors. They don’t even come ashoreto breed. They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation. Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches.There is evidence that all modern turtles are descended from a terrestrial ancestor which lived before most of the dinosaurs. There are two key fossils called Proganochelys quenstedti and Plaeochersis talampayensis dating from early dinosaur times, which appear to be close to the ancestry of all modern turtles and tortoises. You might wonder how we can tell whether fossil animals lived on land or in water, especially if only fragments are found. Sometimes it’s obvious. Ichthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water. With turtles it is a little less obvious. One way to tell is by measuring the bones of their forelimbs.Walter Joyce and Jacques Gauthier, at Yale University, obtained three measurements in these particular bones of 71 species of living turtles and tortoises. They used a kind of triangular graph paper to plot the three measurements against one another. All the land tortoise species formed a tight cluster of points in the upper part of the triangle; all the water turtles cluster in the lower part of the triangular graph. There was no overlap, except when they added some species that spend time both in water and on land. Sure enough, these amphibious species show up on the triangular graph approximately half way between the ‘wet cluster’ of sea turtles and the ‘dry cluster’of land tortoises. The next step was to determine where the fossils fell. The bones of P. quenstedti and P. talampayensis leave us in no doubt. Their points on the graph are right in the thick of the dry cluster. Both these fossils were dry-land tortoises. They come from the era before our turtles returned to the water.You might think, therefore, that modern land tortoises have probably stayed on land ever since those early terrestrial times, as most mammals did after a few of them went back to the sea. But apparently not. If you draw out the family three of all modern turtles and tortoises, nearly all the branches are aquatic. Today’s land tortoises constitute a single branch, deeply nested among branches consisting of aquatic turtles. This suggests that modern land tortoises have not stayed on land continuously since the time of P. quenstedti and P. talampayensis. Rather, their ancestors were among those who went back to the water, and they then reemerged back onto the land in (relatively) more recent times.Tortoises therefore represent a remarkable double return. In common with all mammals, reptiles and birds, their remote ancestors were marine fish and before that various more or less worm-like creatures stretching back, still in the sea, to the primeval bacteria. Later ancestors lived on land and stayed there for a very large number of generations. Later ancestors still evolved back into the water and became sea turtles. And finally they returned yet again to the land as tortoises, some of which now live in the driest of deserts.Questions 27-30Answer the questions below.Choose NO MORE THAN TWO WORDS from the passage for each answer.Write your answers in boxes 27-30 on your answer sheet.27 What had to transfer from sea to land before any animals could migrate?28 Which TWO processes are mentioned as those in which animals had to make big changes as they moved onto lands?29 Which physical feature, possessed by their ancestors, do whales lack?30 which animals might ichthyosaurs have resembled?Questions 31-33Do the following statements agree with the information given in Reading Passage 3?In boxes 31-33 on your answer sheet, writeTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on this31 Turtles were among the first group of animals to migrate back to the sea.32 It is always difficult to determine where an animal lived when its fossilised remains are incomplete.33 The habitat of ichthyosaurs can be determined by the appearance of their fossilised remains.Questions 34-39Complete the flow-chart below.Choose NO MORE THAN TWO WORDS AND/OR A NUMBER from the passage for each answer.Write your answers in boxes 34-39 on your answer sheet.Method of determining where the ancestors of turtles and tortoises come fromStep 171 species of living turtles and tortoises were examined anda total of 34 ……………………. were taken from the bones of theirforelimbs.Step 2The data was recorded on a 35 ……………….. (necessary for comparing the information).Outcome: Land tortoises were represented by a dense 36 …………………………… of points towards the top.Sea turtles were grouped together in the bottom part.Step 3The same data was collected from some living 37 ………………. species and added to the other results.Outcome: The points for these species turned out to be positioned about 38 ……………… up the triangle between the land tortoises and the sea turtles.Step 4Bones of P. quenstedti and P. talampayensis were examined in a similar way and the results added.Outcome: The position of the points indicated that both these ancient creatures were 39…………..Question 40Choose the correct letter, A, B, C or D.Write the correct letter in box 40 on your answer sheet.According to the writer, the most significant thing about tortoises is thatA they are able to adapt to life in extremely dry environments.B their original life form was a kind of primeval bacteria.C they have so much in common with sea turtles.D they have made the transition from sea to land more than once.剑桥雅思阅读9原文参考译文(test1)PASSAGE 1参考译文：William Henry Perkin 合成染料的发明者Wiliam Henry Perkin于1838年3月12日出生于英国伦敦。
剑桥雅思阅读11（test1）答案精讲
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剑桥雅思阅读11原文(test1)READING PASSAGE 1You should spend about 20 minutes on Questions 1-13, which are based on Reading Passage 1 below.Crop-growing skyscrapersBy the year 2050, nearly 80% of the Earth’s population will live in urban centres. Applying the most conservative estimates to current demographic trends, the human population will increase by about three billion people by then. An estimated 109 hectares of new land (about 20% larger than Brazil) will be needed to grow enough food to feed them, if traditional farming methods continue as they are practised today. At present, throughout the world, over 80% of the land that is suitable for raising crops is in use. Historically, some 15% of that has been laid waste by poor management practices. What can be done to ensure enough food for the world’s population to live on?The concept of indoor farming is not new, since hothouse production of tomatoes and other produce has been in vogue for some time. What is new is the urgent need to scale up this technology to accommodate another three billion people. Many believe an entirely new approach to indoor farming is required, employing cutting-edge technologies. One such proposal is for the ‘Vertical Farm’. The concept is of multi-storey buildings in which food crops are grown in environmentally controlledconditions. Situated in the heart of urban centres, they would drastically reduce the amount of transportation required to bring food to consumers. Vertical farms would need to be efficient, cheap to construct and safe to operate. If successfully implemented, proponents claim, vertical farms offer the promise of urban renewal, sustainable production of a safe and varied food supply (through year-round production of all crops), and the eventual repair of ecosystems that have been sacrificed for horizontal farming.It took humans 10,000 years to learn how to grow most of the crops we now take for granted. Along the way, we despoiled most of the land we worked, often turning verdant, natural ecozones into semi-arid deserts. Within that same time frame, we evolved into an urban species, in which 60% of the human population now lives vertically in cities. This means that, for the majority, we humans have shelter from the elements, yet we subject our food-bearing plants to the rigours of the great outdoors and can do no more than hope for a good weather year. However, more often than not now, due to a rapidly changing climate, that is not what happens. Massive floods, long droughts, hurricanes and severe monsoons take their toll each year, destroying millions of tons of valuable crops.The supporters of vertical farming claim many potential advantages for the system. For instance, crops would be produced all year round, as they would be kept in artificially controlled, optimum growing conditions. There would be no weather-related crop failures due to droughts, floods or pests. All the food could be grown organically, eliminating the need for herbicides, pesticides and fertilisers. The system would greatly reduce the incidence of many infectious diseases that areacquired at the agricultural interface. Although the system would consume energy, it would return energy to the grid via methane generation from composting non-edible parts of plants. It would also dramatically reduce fossil fuel use, by cutting out the need for tractors, ploughs and shipping.A major drawback of vertical farming, however, is that the plants would require artificial light. Without it, those plants nearest the windows would be exposed to more sunlight and grow more quickly, reducing the efficiency of the system. Single-storey greenhouses have the benefit of natural overhead light: even so, many still need artificial lighting. A multi-storey facility with no natural overhead light would require far more. Generating enough light could be prohibitively expensive, unless cheap, renewable energy is available, and this appears to be rather a future aspiration than a likelihood for the near future.One variation on vertical farming that has been developed is to grow plants in stacked trays that move on rails. Moving the trays allows the plants to get enough sunlight. This system is already in operation, and works well within a single-storey greenhouse with light reaching it from above: it is not certain, however, that it can be made to work without that overhead natural light.Vertical farming is an attempt to address the undoubted problems that we face in producing enough food for a growing population. At the moment, though, more needs to be done to reduce the detrimental impact it would have on the environment, particularly as regards the use of energy. While it is possible that much of our food will be grown in skyscrapers in future, most experts currently believe it is far more likely that we will simply use the space available on urban rooftops.Questions 1-7Complete the sentences below.Choose NO MORE THAN TWO WORDS from the passage for each answer.Write your answers in boxes 1-7 on your answer sheet.Indoor farming1 Some food plants, including __________, are already grown indoors.2 Vertical farms would be located in __________, meaning that there would be less need to take them long distances to customers.3 Vertical farms could use methane from plants and animals to produce __________.4 The consumption of __________ would be cut because agricultural vehicles would be unnecessary.5 The fact that vertical farms would need __________ light is a disadvantage.6 One form of vertical farming involves planting in __________ which are not fixed.7 The most probable development is that food will be grown on __________ in towns and cities.Questions 8-13Do the following statements agree with the information given in Reading Passage 1?In boxes 8-13 on your answer sheet, writeTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on this8 Methods for predicting the Earth’s population have recently changed.9 Human beings are responsible for some of the destruction to food-producing land.10 The crops produced in vertical farms will depend on the season.11 Some damage to food crops is caused by climate change.12 Fertilisers will be needed for certain crops in vertical farms.13 Vertical farming will make plants less likely to be affected by infectious diseases.READING PASSAGE 2You should spend about 20 minutes on Questions 14-26, which are based on Reading Passage 2 below.THE FALKIRK WHEELA unique engineering achievementThe Falkirk Wheel in Scotland is the world’s first and only rotating boat lift. Opened in 2002, it is central to the ambitious ￡84.5m Millennium Link project to restore navigability across Scotland by reconnecting the historic waterways of the Forth & Clyde and Union Canals.The major challenge of the project lay in the fact that the Forth & Clyde Canal is situated 35 metres below the level of the Union Canal. Historically, the two canals had been joined near the town of Falkirk by a sequence of 11 locks — enclosed sections of canal in which the water level could be raised or lowered — that stepped down across a distance of 1.5 km. This had been dismantled in 1933, thereby breaking the link. When the project was launched in 1994, the British Waterways authority were keen to create a dramatic twenty-first-century landmark which would not only be a fitting commemoration of the Millennium, but also a lasting symbol of the economic regeneration of the region.Numerous ideas were submitted for the project, includingconcepts ranging from rolling eggs to tilting tanks, from giant see-saws to overhead monorails. The eventual winner was a plan for the huge rotating steel boat lift which was to become The Falkirk Wheel. The unique shape of the structure is claimed to have been inspired by various sources, both manmade and natural, most notably a Celtic double-headed axe, but also the vast turning propeller of a ship, the ribcage of a whale or the spine of a fish.The various parts of The Falkirk Wheel were all constructed and assembled, like one giant toy building set, at Butterley Engineering’s Steelworks in Derbyshire, some 400 km from Falkirk. A team there carefully assembled the 1,200 tonnes of steel, painstakingly fitting the pieces together to an accuracy of just 10 mm to ensure a perfect final fit. In the summer of 2001, the structure was then dismantled and transported on 35 lorries to Falkirk, before all being bolted back together again on the ground, and finally lifted into position in five large sections by crane. The Wheel would need to withstand immense and constantly changing stresses as it rotated, so to make the structure more robust, the steel sections were bolted rather than welded together. Over 45,000 bolt holes were matched with their bolts, and each bolt was hand-tightened.The Wheel consists of two sets of opposing axe-shaped arms, attached about 25 metres apart to a fixed central spine. Two diametrically opposed water-filled ‘gondolas’, each with a capacity of 360,000 litres, are fitted between the ends of the arms. These gondolas always weigh the same, whether or not they are carrying boats. This is because, according to Archimedes’principle of displacement, floating objects displace their own weight in water. So when a boat enters a gondola, the amount ofwater leaving the gondola weighs exactly the same as the boat. This keeps the Wheel balanced and so, despite its enormous mass, it rotates through 180°in five and a half minutes while using very little power. It takes just 1.5 kilowatt-hours (5.4 MJ) of energy to rotate the Wheel — roughly the same as boiling eight small domestic kettles of water.Boats needing to be lifted up enter the canal basin at the level of the Forth & Clyde Canal and then enter the lower gondola of the Wheel. Two hydraulic steel gates are raised, so as to seal the gondola off from the water in the canal basin. The water between the gates is then pumped out. A hydraulic clamp, which prevents the arms of the Wheel moving while the gondola is docked, is removed, allowing the Wheel to turn. In the central machine room an array of ten hydraulic motors then begins to rotate the central axle. The axle connects to the outer arms of the Wheel, which begin to rotate at a speed of 1/8 of a revolution per minute. As the wheel rotates, the gondolas are kept in the upright position by a simple gearing system. Two eight-metre-wide cogs orbit a fixed inner cog of the same width, connected by two smaller cogs travelling in the opposite direction to the outer cogs — so ensuring that the gondolas always remain level. When the gondola reaches the top, the boat passes straight onto the aqueduct situated 24 metres above the canal basin.The remaining 11 metres of lift needed to reach the Union Canal is achieved by means of a pair of locks. The Wheel could not be constructed to elevate boats over the full 35-metre difference between the two canals, owing to the presence of the historically important Antonine Wall, which was built by the Romans in the second century AD. Boats travel under this wall via a tunnel, then through the locks, and finally on to the Union Canal.Questions 14-19Do the following statements agree with the information given in Reading Passage 2?In boxes 14-19 on your answer sheet, writeTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on this14 The Falkirk Wheel has linked the Forth & Clyde Canal with the Union Canal for the first time in their history.15 There was some opposition to the design of the Falkirk Wheel at first.16 The Falkirk Wheel was initially put together at the location where its components were manufactured.17 The Falkirk Wheel is the only boat lift in the world which has steel sections bolted together by hand.18 The weight of the gondolas varies according to the size of boat being carried.19 The construction of the Falkirk Wheel site took into account the presence of a nearby ancient monument.Questions 20-26Label the diagram below.Choose ONE WORD from the passage for each answer.Write your answers in boxes 20-26 on your answer sheet.How a boat is lifted on the Falkirk WheelREADING PASSAGE 3You should spend about 20 minutes on Questions 27-40, which are based on Reading Passage 3 below.Reducing the Effects of Climate ChangeMark Rowe reports on the increasingly ambitious geo-engineering projects being explored by scientistsA Such is our dependence on fossil fuels, and such is the volume of carbon dioxide already released into the atmosphere, that many experts agree that significant global warming is now inevitable. They believe that the best we can do is keep it at a reasonable level, and at present the only serious option for doing this is cutting back on our carbon emissions. But while a few countries are making major strides in this regard, the majority are having great difficulty even stemming the rate of increase, let alone reversing it. Consequently, an increasing number of scientists are beginning to explore the alternative of geo-engineering — a term which generally refers to the intentional large-scale manipulation of the environment. According to its proponents, geo-engineering is the equivalent of a backup generator: if Plan A — reducing our dependency on fossil fuels — fails, we require a Plan B, employing grand schemes to slow down or reverse the process of global warming.B Geo-engineering has been shown to work, at least on a small localised scale. For decades, May Day parades in Moscow have taken place under clear blue skies, aircraft having deposited dry ice, silver iodide and cement powder to disperse clouds. Many of the schemes now suggested look to do the opposite, and reduce the amount of sunlight reaching the planet. The most eye-catching idea of all is suggested by Professor Roger Angel of the University of Arizona. His scheme would employ up to 16 trillion minute spacecraft, each weighing about one gram, to form a transparent, sunlight-refracting sunshade in an orbit 1.5 million km above the Earth. This could, argues Angel, reduce the amount of light reaching the Earth by two per cent.C The majority of geo-engineering projects so far carried out — which include planting forests in deserts and depositing ironin the ocean to stimulate the growth of algae — have focused on achieving a general cooling of the Earth. But some look specifically at reversing the melting at the poles, particularly the Arctic. The reasoning is that if you replenish the ice sheets and frozen waters of the high latitudes, more light will be reflected back into space, so reducing the warming of the oceans and atmosphere.D The concept of releasing aerosol sprays into the stratosphere above the Arctic has been proposed by several scientists. This would involve using sulphur or hydrogen sulphide aerosols so that sulphur dioxide would form clouds, which would, in turn, lead to a global dimming. The idea is modelled on historic volcanic explosions, such as that of Mount Pinatubo in the Philippines in 1991, which led to a short-term cooling of global temperatures by 0.5℃. Scientists have also scrutinised whether it’s possible to preserve the ice sheets of Greenland with reinforced high-tension cables, preventing icebergs from moving into the sea. Meanwhile in the Russian Arctic, geo-engineering plans include the planting of millions of birch trees. Whereas the region’s native evergreen pines shade the snow and absorb radiation, birches would shed their leaves in winter, thus enabling radiation to be reflected by the snow. Re-routing Russian rivers to increase cold water flow to ice-forming areas could also be used to slow down warming, say some climate scientists.E But will such schemes ever be implemented? Generally speaking, those who are most cautious about geo-engineering are the scientists involved in the research. Angel says that his plan is ‘no substitute for developing renewable energy: the only permanent solution’. And Dr Phil Rasch of the US-based Pacific Northwest National Laboratory is equally guarded about the roleof geo-engineering: ‘I think all of us agree that if we were to end geo-engineering on a given day, then the planet would return to its pre-engineered condition very rapidly, and probably within ten to twenty years. That’s certainly something to worry about.’F The US National Center for Atmospheric Research has already suggested that the proposal to inject sulphur into the atmosphere might affect rainfall patterns across the tropics and the Southern Ocean. ‘Geo-engineering plans to inject stratospheric aerosols or to seed clouds would act to cool the planet, and act to increase the extent of sea ice,’ says Rasch. ‘But all the models suggest some impact on the distribution of precipitation.’G ‘A further risk with geo-engineering projects is that you can “overshoot”,’says Dr Dan Lunt, from the University of Bristol’s School of Geophysical Sciences, who has studied the likely impacts of the sunshade and aerosol schemes on the climate. ‘You may bring global temperatures back to pre-industrial levels, but the risk is that the poles will still be warmer than they should be and the tropics will be cooler than before industrialisation.’ To avoid such a scenario, Lunt says Angel’s project would have to operate at half strength; all of which reinforces his view that the best option is to avoid the need for geo-engineering altogether.H The main reason why geo-engineering is supported by many in the scientific community is that most researchers have little faith in the ability of politicians to agree — and then bring in —the necessary carbon cuts. Even leading conservation organisations see the value of investigating the potential of geo-engineering. According to Dr Martin Sommerkorn, climatechange advisor for the World Wildlife Fund’s International Arctic Programme, ‘Human-induced climate change has brought humanity to a position where we shouldn’t exclude thinking thoroughly about this topic and its possibilities.’Questions 27-29Reading Passage 3 has eight paragraphs A-H.Which paragraph contains the following information?Write the correct letter, A-H, in boxes 27-29 on your answer sheet.27 mention of a geo-engineering project based on an earlier natural phenomenon28 an example of a successful use of geo-engineering29 a common definition of geo-engineeringQuestions 30-36Complete the table below.Choose ONE WORD from the passage for each answer.Write your answers in boxes 30-36 on your answer sheet.GEO-ENGINEERING PROJECTSProcedure Aimput a large number of tiny spacecraft into orbit far above Earth to create a 30 __________ that would reduce the amount of light reaching Earthplace 31 __________ in the sea to encourage 32 __________ to formrelease aerosol sprays into the stratosphere to create 33 __________ that would reduce the amount of light reaching Earth fix strong 34 __________ to Greenland ice sheets to prevent icebergs moving into the seaplant trees in Russian Arctic that would lose their leaves in winter to allow the 35 __________ to reflect radiationchange the direction of 36 __________ to bring more cold water into ice-forming areasQuestions 37-40Look at the following statements (Questions 37-40) and the list of scientists below.Match each statement with the correct scientist, A-D.Write the correct letter, A-D, in boxes 37-40 on your answer sheet.37 The effects of geo-engineering may not be long-lasting.38 Geo-engineering is a topic worth exploring.39 It may be necessary to limit the effectiveness of geo-engineering projects.40 Research into non-fossil-based fuels cannot be replaced by geo-engineering.List of ScientistsA Roger AngelB Phil RaschC Dan LuntD Martin Sommerkorn剑桥雅思阅读11原文参考译文(test1)PASSAGE 1参考译文：作物生长的“摩天大厦”到2050年，近80%的地球人口将在城市中心生活。
雅思阅读第109套P1In_Praise_of_Amateurs
雅思阅读第109套P1In_Praise_of_Amateurs雅思阅读第109套P1:In Praise of AmateursReading Passage 1You should spend about 20 minutes on Questions 1-13. which are based on Reading Passage 1 below.In Praise of AmateursDespite the specialization of scientific research, amateurs still have an important role to play.During the scientific revolution of the 17th century, scientists were largely men of private means who pursued their interest in natural philosophy for their own edification. Only in the past century or two has it become possible to make a living from investigating the workings of nature. Modern science was, in other words, built on the work of amateurs. Today, science is an increasingly specialized and compartmentalized subject, the domain of experts who know more and more about less and less. Perhaps surprisingly, however, amateurs –even those without private means – are still important.A recent poll carried out at a meeting of the American Association for the Advancement of Science by astronomer Dr Richard Fienberg found that, in addition to his field of astronomy, amateurs are actively involved in such fields as acoustics, horticulture, ornithology, meteorology, hydrology and palaeontology. Far from being crackpots, amateur scientists are often in close touch with professionals, some of whom rely heavily on their co-operation.Admittedly, some fields are more open to amateurs than others. Anything that requires expensive equipment is clearly ano-go area. And some kinds of research can be dangerous; most amateur chemists, jokes Dr Fienberg, are either locked up or have blown themselves to bits. But amateurs can make valuable contributions in fields from rocketry to palaeontology and the rise of the Internet has made it easier than before to collect data and distribute results.Exactly which field of study has benefited most from the contributions of amateurs is a matter of some dispute. Dr Fienberg makes a strong case for astronomy. There is, he points out, a long tradition of collaboration between amateur and professional sky watchers. Numerous comets, asteroids and even the planet Uranus were discovered by amateurs. Today, in addition to comet and asteroid spotting, amateurs continue to do valuable work observing the brightness of variable stars and detecting novae- 'new’ stars in the Milky Way and supernovae in other galaxies. Amateur observers are helpful, says Dr Fienberg, because there are so many of them (they far outnumber professionals) and because they are distributed all over the world. This makes special kinds of observations possible:’ if several observers around the world accurately record the time when a star is eclipsed by an asteroid, for example, it is possible to derive usefu l information about the asteroid’s shape.Another field in which amateurs have traditionally played an important role is palaeontology. Adrian Hunt, a palaeontologist at Mesa Technical College in New Mexico, insists that his is the field in which amateurs have made the biggest contribution. Despite the development of high-tech equipment, he says, the best sensors for finding fossils are human eyes – lots of them.Finding volunteers to look for fossils is not difficult, he says, because of the near universal interest in anything to do withdinosaurs. As well as helping with this research, volunteers learn about science, a process he calls 'recreational education’.Rick Bonney of the Cornell Laboratory of Ornithology in Ithaca, New York, contends that amateurs have contributed the most in his field. There are, he notes, thought to be as many as 60 million birdwatchers in America alone. Given their huge numbers and the wide geographical coverage they provide, Mr Bonney has enlisted thousands of amateurs in a number of research projects. Over the past few years their observations have uncovered previously unknown trends and cycles in bird migrations and revealed declines in the breeding populations of several species of migratory birds, prompting a habitat conservation programme.Despite the successes and whatever the field of study, collaboration between amateurs and professionals is not without its difficulties. Not everyone, for example is happy with the term 'amateur’. Mr Bonney has coined the term 'citizen scientist’ because he felt that other words, such as 'volunteer’ sounded disparaging. A more serious problem is the question of how professionals can best acknowledge the contributions made by amateurs. Dr Fienberg says that some amateur astronomers are happy to provide their observations but grumble about not being reimbursed for out-of-pocket expenses. Others feel let down when their observations are used in scientific papers, but they are not listed as co-authors. Dr Hunt says some amateur palaeontologists are disappointed when told that they cannot take finds home with them.These are legitimate concerns but none seems insurmountable. Provided amateurs and professionals agree the terms on which they will work together beforehand, there is noreason why co-operation between the two groups should not flourish. Last year Dr S. Carlson, founder of the Society for Amateur Scientists won an award worth $290,000 for his work in promoting such co-operation. He says that one of the main benefits of the prize is the endorsement it has given to the contributions of amateur scientists, which has done much to silence critics among those professionals who believe science should remain their exclusive preserve.At the moment, says Dr Carlson, the society is involved in several schemes including an innovative rocket-design project and the setting up of a network of observers who will search for evidence of a link between low- frequency radiation and earthquakes. The amateurs, he says, provide enthusiasm and talent, while the professionals provide guidance 'so that anything they do discover will be taken seriously’. Having laid the foundations of science, amateurs will have much to contribute to its ever – expanding edifice.-------------------------------Small Tipl Read through the summary at normal speed so that you have a fair idea of what it is about.l Check the instructions: you can use a maximum of two words for each answer and these words must be taken from the reading passage. If you use more than two words or words that are not in the passage, the answer will be marked wrong.l Skim the passage and find out where the part that has been summarised begins.l Read the text around each gap carefully. See if you can predict the answer or the kindof word(s) that you are looking for.l Select the best wordfrom the text for each gap.l Re-read the summary, with the words you have selected for each gap, to make sure that it makes sense both grammaticallyand in terms of meaning.SECTION 1: QUESTIONS 1-13Questions 1-8Complete the summary below. Choose ONE or TWO WORDS from the passage for each answer.Write your answers in boxes 1-8on your answer sheet. SummaryPrior to the 19th century, professional 1 _____________ did not exist and scientific research was largely carried out by amateurs. However, while 2_____________ today is mostly the domain of professionals, a recent US survey highlighted the fact that amateurs play an important role in at least seven 3 _____________ and indeed many professionals are reliant on their 4_____________. In areas such as astronomy, amateurs can be invaluable when making specific 5 _____________on a global basis. Similarly in the area of palaeontology their involvement is invaluable and helpers are easy to recruit because of the popularity of 6 _____________. Amateur birdwatchers also play an active role and their work has led to the establishment of a 7_____________. Occasionally the term 'amateur' has been the source of disagreement and alternative names have been suggested but generally speaking, as long as the professional scientists 8 _____________the work of the non-professionals, the two groups can work productively together.Questions 9-13Reading Passage 1 contains a number of opinions provided by four different scientists. Match each opinion (Questions 9-13) with the scientists A-D.NB You may use any of the scientists A-Dmore than once.9 _____________ Amateur involvement can also be an instructive pastime.10 _____________ Amateur scientists are prone to accidents.11 _____________ Science does not belong to professional scientists alone.12 _____________ In certain areas of my work, people are a more valuable resource than technology.13 _____________ It is important to give amateurs a name which reflects the value of their work.。
雅思考试阅读全面解析及答案（21）
雅思考试阅读全面解析及答案(21)THE GAP of INGENUITY 2Ingenuity, as I define it here, consists not only of ideas for new technolo gies like computers or drought-resistant crops but, more fundamentally, of idea s for better institutions and social arrangements, like efficient markets and c ompetent governments.How much and what kinds of ingenuity a society requires depends on a range of factors, including the society's goals and the circumstances within which it must achieve those goals ——whether it has a young population or an aging one,an abundance of natural resources or a scarcity of them, an easy climate or a punishing one, whatever the case may be.How much and what kinds of ingenuity a society supplies also depends on man y factors, such as the nature of human inventiveness and understanding, the rew ards an economy gives to the producers of useful knowledge, and the strength of political opposition to social and institutional reforms.A good supply of the right kind of ingenuity is essential, but it isn't, of course, enough by itself. We know that the creation of wealth, for example, de pends not only on an adequate supply of useful ideas but also on the availabili ty of other, more conventional factors of production, like capital and labor. S imilarly, prosperity, stability and justice usually depend on the resolution, o r at least the containment, of major political struggles over wealth and power. Yet within our economics ingenuity often supplants labor, and growth in the st ock of physical plant is usually accompanied by growth in the stock of ingenuit y. And in our political systems, we need great ingenuity to set up institutions that successfully manage struggles over wealth and power. Clearly, our economi c and political processes are intimately entangled with the production and use of ingenuity.The past century ’s countless incremental changes in our societies around t he planet, in our technologies and our interactions with our surrounding natura l environments have accumulated to create a qualitatively new world. Because these changes have accumulated slowly, It’s often hard for us to recognize how p rofound and sweeping they've. They include far larger and denser populations; m uch higher per capita consumption of natural resources; and far better and more widely available technologies for the movement of people, materials, and espec ially information.In combination, these changes have sharply increased the density, intensity,and pace of our inter actions with each other; they have greatly increased the burden we place on our natural environment; and they have helped shift power from national and international institutions to individuals and subgroups, suchas political special interests and ethnic factions.As a result, people in all walks of life-from our political and business le——must cope with much more complex, urgenaders to all of us in our day-to-dayt, and often unpredictable circumstances. The management of our relationship with this new world requires immense and ever-increasing amounts of social and technical ingenuity. As we strive to maintain or increase our prosperity and improve the quality of our lives, we must make far more sophisticated decisions, and in less time, than ever before.When we enhance the performance of any system, from our cars to the planet's network of financial institutions, we tend to make it more complex. Many of the natural systems critical to our well-being, like the global climate and theoceans, are extraordinarily complex to begin with. We often can't predict or ma nage the behavior of complex systems with much precision, because they are ofte n very sensitive to the smallest of changes and perturbations, and their behavi or can flip from one mode to another suddenly and dramatically. In general, as the human-made and natural systems we depend upon become more complex, and as o ur demands on them increase, the institutions and technologies we use to manage them must become more complex too, which further boosts our need for ingenuit y.The good news, though, is that the last century's stunning changes in our s ocieties and technologies have not just increased our need for ingenuity; they have also produced a huge increase in its supply. The growth and urbanization o f human populations have combined with astonishing new communication and transp ortation technologies to expand interactions among people and produce larger, more integrated, and more efficient markets. These changes have, in turn, vastlyaccelerated the generation and delivery of useful ideas.——we should not jump to the conclusionBut—and this is the critical "but"that the supply of ingenuity always increases in lockstep with our ingenuity r equirement: While it's true that necessity is often the mother of invention, wecan't always rely on the right kind of ingenuity appearing when and where we n eed it. In many cases, the complexity and speed of operation of today's vital e conomic, social, arid ecological systems exceed the human brains grasp. Very few of us have more than a rudimentary understanding of how these systems work. T hey remain fraught with countless "unknown unknowns," which makes it hard to su pply the ingenuity we need to solve problems associated with these systems.In this book, explore a wide range of other factors that will limit our abi lity to supply the ingenuity required in the coming century. For example, many people believe that new communication technologies strengthen democracy and will make it easier to find solutions to our societies' collective problems, but t he story is less clear than it seems. The crush of information in our everyday lives is shortening our attention span, limiting the time we have to reflect on critical matters of public policy, and making policy arguments more superficial.Modern markets and science are an important part of the story of how we supply ingenuity. Markets are critically important, because they give entrepreneurs an incentive to produce knowledge. As for science, although it seems to face no theoretical limits, at least in the foreseeable future, practical constraints often slow its progress. The cost of scientific research tends to increase as it delves deeper into nature. And science's rate of advance depends on the cha racteristic of the natural phenomena it investigates, simply because some pheno mena are intrinsically harder to understand than others, so the production of u seful new knowledge in these areas can be very slow. Consequently, there is oft en a critical time lag between the recognition between a problem and the delive ry of sufficient ingenuity, in the form of technologies, to solve that problem.Progress in the social sciences is especially slow, for reasons we don't yet u nderstand; but we desperately need better social scientific knowledge to build’s world demands.the sophisticated institutions todayQuestions:Complete each sentence with the appropriate answer, A, B, C, or DWrite the correct answer in boxes 27-30 on your answer sheet.27 The definition of ingenuity28 The requirement for ingenuity29 The creation of social wealth30 The stability of societyA depends on many factors including climate.B depends on the management and solution of disputes.C is not only of technological advance, but more of institutional renovatio n.D also depends on the availability of some traditional resources.Question 31-33Choose the correct letter, A, B, C, or D.Write your answers in boxes 31-33 on your answer sheet.31 What does the author say about the incremental change of the last 100 ye ars?A It has become a hot scholastic discussion among environmentalists.B Its significance is often not noticed.C It has reshaped the natural environments we live in.D It benefited a much larger population than ever.32 The combination of changes has made life.A easierB fasterC slowerD less sophisticated33 What does the author say about the natural systems?A New technologies are being developed to predict change with precision.B Natural systems are often more sophisticated than other systems.C Minor alterations may cause natural systems to change dramatically.D Technological developments have rendered human being more independent of natural systems.Question 34-40Do the following statements agree with the information given in Reading Pas sage 3?In boxes 34-40 on your answer sheet, writeYES if the statement is trueNO if the statement is falseNOT GIVEN if the information is not given in the passage34 The demand for ingenuity has been growing during the past 100 years.35 The ingenuity we have may be inappropriate for solving problems at hand.36 There are very few who can understand the complex systems of the present world.37 More information will help us to make better decisions.38 The next generation will blame the current government for their conduct.39 Science tends to develop faster in certain areas than others.40 Social science develops especially slowly because it is not as important as natural science.参考译文：创新过程的空白创造，就像笔者在这里定义的一样，不仅仅指那些关于计算机、抗早作物之类的新科技的构想，更重要的是指那些关于优化制度和社会安排的思想，例如高效市场、法定 政府等。
剑桥雅思12test1passage1阅读原文翻译
剑桥雅思12test1passage1阅读原文翻译
伦敦塔桥是英格兰首都伦敦的一座标志性建筑，也是被公认为世界上最为著名的桥梁之一。
这座桥梁横跨泰晤士河，连接着伦敦市区的市中心与南岸地区，自19世纪以来一直是伦敦的
重要地标。
塔桥的设计非常独特，它拥有两座塔楼，桥面通过两座桥塔连接。
这座桥的设计灵感来自于古代罗马式桥梁，石制的塔楼和拱门为塔桥增添了一种古老而庄严的氛围。
塔桥的历史可以追溯到19世纪初，当时伦敦市区的交通问题
日益严重，市政府决定修建一座横跨泰晤士河的桥梁来解决这个问题。
塔桥的建设开始于1886年，历时8年才完工。
它是
当时世界上最大的悬索桥，因此被誉为工程奇迹。
在过去的一个多世纪里，塔桥成为伦敦的标志之一，也吸引了大量的游客。
每年游客们都会来此参观桥梁的独特设计和壮丽景色，同时还能参观桥塔内的博物馆，了解桥梁的建设历史和伦敦的交通发展。
然而，塔桥的受欢迎也带来了一些问题。
随着车辆和行人的不断增加，桥梁的通行能力变得有限，并且不适应现代交通需求。
因此，政府决定在塔桥附近修建一座新的桥梁，以分流交通。
总体而言，伦敦塔桥是一座历史悠久且富有特色的桥梁，代表着伦敦的文化与历史。
它不仅是一座交通枢纽，同时也是伦敦人民的骄傲与象征。
great migration雅思阅读
great migration雅思阅读摘要：I.介绍- 解释“大迁徙”现象- 阐述其在雅思阅读中的重要性II.大迁徙的起因和影响- 气候变化- 社会变革- 科技进步- 对雅思阅读内容的影响III.如何应对大迁徙带来的挑战- 提高阅读速度和理解能力- 学习策略和技巧- 练习模拟试题IV.结论- 总结大迁徙对雅思阅读的影响- 强调应对策略的重要性正文：I.介绍“大迁徙”是一个广泛的社会现象，指的是人们从一个地区大规模地迁移到另一个地区。
这一现象背后有许多原因，包括气候变化、社会变革和科技进步等。
对于参加雅思考试的人来说，了解大迁徙及其影响至关重要，因为雅思阅读部分经常涉及此类话题。
本文将详细探讨大迁徙现象在雅思阅读中的重要性，并提供应对策略。
II.大迁徙的起因和影响大迁徙现象的起因多种多样，但通常与以下几个因素密切相关：气候变化、社会变革和科技进步。
气候变化可能导致资源短缺，从而促使人们迁移以寻找更适合居住的环境。
社会变革，如政治动荡、经济衰退等，也可能引发大迁徙。
此外，科技进步使人们更容易跨越地域限制，从而促使更多人选择迁移。
大迁徙现象对雅思阅读内容产生了显著影响。
阅读材料中涉及移民、人口迁移、城市化等话题的文章越来越多。
因此，了解大迁徙及其背后的原因和影响，对于提高雅思阅读成绩具有重要意义。
III.如何应对大迁徙带来的挑战面对大迁徙带来的挑战，考生需要采取一系列策略来提高阅读速度和理解能力。
以下是一些建议：1.拓宽知识面：了解大迁徙的相关背景知识，包括原因、影响等，有助于更好地理解阅读材料。
2.学习策略和技巧：掌握一些阅读策略，如预测、扫描、略读等，能够提高阅读效率。
同时，学习词汇、语法等基本技能，也有助于提高理解能力。
3.练习模拟试题：通过练习模拟试题，考生可以熟悉雅思阅读的题型和难度，从而更好地应对考试。
IV.结论总之，大迁徙现象对雅思阅读产生了重要影响。
了解这一现象背后的原因和影响，以及采取相应的应对策略，对于提高雅思阅读成绩至关重要。
雅思剑桥13t1p1阅读
雅思剑桥13t1p1阅读
【原创实用版】
目录
1.雅思剑桥 13t1p1 阅读概述
2.文章的主要内容和结构
3.文章中的重点词汇和表达
4.文章的难度分析
正文
一、雅思剑桥 13t1p1 阅读概述
雅思剑桥 13t1p1 阅读是一篇典型的雅思阅读文章，难度适中，内容丰富，对于考生来说具有一定的挑战性。
文章主要围绕一个话题展开，同时涉及到一些细节和词汇，需要考生在阅读过程中进行分析和理解。
二、文章的主要内容和结构
文章主要讲述了一个人在荒岛上生存的过程，以及他在这个过程中所面临的各种挑战和困难。
文章的结构清晰，首先介绍了这个人在荒岛上的生存状态，然后讲述了他如何应对各种困难，最后讲述了他最终获救的过程。
三、文章中的重点词汇和表达
文章中涉及到一些重点词汇和表达，比如荒岛、生存、挑战、困难、应对、获救等。
这些词汇和表达对于理解文章的主题和内容非常重要。
四、文章的难度分析
总体来说，这篇文章的难度适中。
虽然文章涉及到一些细节和词汇，但是结构清晰，主题明确，对于考生来说并不难理解。
第1页共1页。
great migrations 雅思阅读
Great Migrations: A Phenomenon of Global Significance1. IntroductionGreat migrations have been a key feature of human history and continue to shape societies and cultures around the world. The movement of people from one place to another has been driven by a variety of factors, including economic, political, and environmental forces. In this article, we will explore the phenomenon of great migrations, its causes and effects, and its significance in the modern world.2. Historical PerspectivesThroughout history, great migrations have played a central role in shaping the development of civilizations. From the early human migrations out of Africa to the modern-day migrations driven by globalization, the movement of people has had a profound impact on the world. The ancient Silk Road, the Atlantic slave trade, and the European colonization of the Americas are just a few examples of great migrations that have left a lasting mark on global history.3. Causes of Great MigrationsGreat migrations are often the result ofplex and interrelatedfactors. Economic pressures, such as poverty and lack of opportunity, can drive people to seek better prospects elsewhere. Political instability, conflict, and persecution can also force people to flee their homes in search of safety and security. In addition, environmental factors, such as natural disasters and climate change, can also contribute to the displacement of populations.4. Effects of Great MigrationsThe movement of large numbers of people can have a range of effects on both the sending and receiving countries. In sending countries, the loss of skilled workers and young people can impact economic development and social stability. In receiving countries, great migrations can put pressure on infrastructure and public services, as well as leading to social and cultural changes. However, great migrations can also bring benefits, such as the infusion of new ideas and perspectives and the enrichment of diversity.5. Significance in the Modern WorldIn the modern era, great migrations continue to be a major force shaping the world. Globalization has made it easier for people to move across borders, leading to unprecedented levelsof migration. The rise of refugee crises and the increasing interconnectedness of the world have brought new attention to the causes and effects of great migrations. As a result, migration has be a major topic of debate and policy-making in many countries, raising questions about identity, security, and social justice.6. ConclusionIn conclusion, great migrations are a phenomenon of global significance that have played a central role in human history and continue to shape our world today. By understanding the causes and effects of great migrations, we can better appreciate the challenges and opportunities they present, and work towards creating a more just and sustainable global society. As we move forward into an increasingly interconnected world, the study of great migrations will remain a vital area of inquiry and reflection.。
剑桥雅思IELTS第6套Test1阅读答案及详解
剑6Test1阅读Passage1真题及解析READING PASSAGE 1You should spend about 20 minutes on Questions 1-13, which are based on Reading Passage 1 below.AUSTRALIA'S SPORTING SUCCESSA They play hard, they play often, and they play to win. Australian sports teams win more than their fair share of titles, demolishing rivals with seeming ease. How do they do it? A big part of the secret is an extensive and expensive network of sporting academies underpinned by science and medicine. At the Australian Institute of Sport (AIS), hundreds of youngsters and pros live and train under the eyes of coaches. Another body, the Australian Sports Commission (ASC), ⑥finances programmes of excellence in a total of 96 sports for thousands of sportsmen and women. Both provide intensive coaching, trainingfacilities and nutritional advice.B Inside the academies, science takes centre stage. The AIS employs more than 100 sports scientists and doctors, and collaborates with scores of others in universities and research centres. ①AIS scientists work across a number of sports, applying skills learned in one - such as building musclestrength in golfers - to others, such as swimming and squash. They are backed up by technicians who design instruments to collect data from athletes. They all focus on one aim: winning.③‘We can't waste our time looking at ethereal scientific questions that don't help the coach work with an athlete and improve performance,' says Peter Fricker, chief of science at AIS.C A lot of their work comes down to measurement - everything from the exact angle of a swimmer’s dive to thesecond-by-second power output of a cyclist. This data is used to wring improvements out of athletes. The focus is on individuals, tweaking performances to squeeze an extra hundredth of a second here, an extra millimetre there.No gain is too slight to bother with.It’s the tiny, gradual improvements that add up to world-beating results. To demonstrate how the system works, Bruce Mason at AIS ②shows off the prototype of a 3D analysis tool for studying swimmers.A wire-frame model of a champion swimmer slices through the water, her arms moving in slow motion. Looking side-on, Mason measures the distance between strokes. From above, he analyses how her spine swivels. When fully developed, this system will enable him to build a biomechanical profile for coaches to useto help budding swimmers. Mason's contribution to sport also includes the development of ⑧the SWAN (SWimmingANalysis)system now used in Australian national competitions.② It collects images from digital cameras running at 50 frames a second and breaks down each part of a swimmer's performance into factors that can be analysed individually - stroke length, stroke frequency, average duration of each stroke, velocity, start, lap and finish times, and so on. At the end of each race, SWAN spits out data on each swimmerD‘Take a look,' says Mason, pulling out a sheet of data. He points out the data on the swimmers in second and third place, which shows that the one who finished third actually swam faster. So why did he finish 35 hundredths of a second down? ‘His turn times were 44 hundredths of a second behind the other guy,' says Mason. ‘If he can improve on his turns, he can do much better’ This is the kind of accuracy that AIS scientists' research is bringing to a range of sports.⑨With the Cooperative Research Centre for Micro Technology in Melbourne, they are developing现在进行时态 unobtrusive sensors that will be embedded in an athlete's clothes orrunning shoes to ⑤monitor heart rate, sweating, heat production or any other factor that might have an impact on an athlete's ability to run. There's more to it than simply measuring performance. Fricker gives the example of athletes who may be down with coughs and colds 11 or 12 times a year. After years of ex perimentation, ⑩AlS and the University of Newcastle in New South Wales developed a test that measures how much of the immune-system protein immunoglobulin A is present in athletes' saliva. If IgA levels suddenly fall below a certain level, training is eased or dropped altogether. Soon, IgA levels start rising again, and the danger passes. Since the tests were introduced, AIS athletes in all sports have been remarkably successful at staying healthy.（对于此项科技成果的受益者文章中只提到AIS运动员，即澳大利亚体育学院的运动员，隶属于澳大利亚，所以应该选择A）E U sing data is a complex business. ⑦Well before a championship, sports scientists and coaches start to prepare the athlete by developing ⑫a ‘competition model', based on what they expect will be the winning times.‘You design the model to make that time,' sa ys Mason. ‘A start of this much, each free-swimming period has to be this fast, with a certain stroke frequency and stroke length, with turns done in these times.' All the trainingis then geared towards making the athlete hit those targets, both overall and for each segment of the race. Techniques like these have transformed Australia into arguably the world's most successful sporting nation.F Of course, ④there's nothing to stop other countries copying-and many have tried. Some years ago, the AIS unveiled coolant-lined jackets for endurance athletes.⑬At the Atlanta Olympic Games in 1996, these sliced as much as two per cent off cyclists' and rowers' times. Now everyone uses them. ⑪The same has happened to the ‘altitude tent', developed by AIS to replicate the effect of altitude training at sea level. But Australia's success story is about more than easily copied technological fixes, and up to now no nation has replicated its all-encompassing system.Questions 1-7Reading Passage 1 has six paragraphs, A-F.Which paragraph contains the following information?Write the correct letter, A-F, in boxes 1-7 on your answer sheet. NB You may use any letter more than once.1 a reference to the exchange of expertise between different sports2 an explanation of how visual imaging is employed in investigations3 a reason for narrowing the scope of research activity(a reason for narrowing/can't waste time research activity scientific questions)4 how some AIS ideas have been reproduced 复制5 how obstacles to optimum achievement can be investigated （Obstacle, investigated/ impact, monitor ）6 an overview of the funded support of athletes (Overview, funded support/finance)7 how performance requirements are calculated before an event (Calculated before an event/using data，well before a championship锦标赛)Questions 8-11Classify the following techniques according to whether the writer states theyA are currently exclusively used by AustraliansB will be used in the future by AustraliansC are currently used by both Australians and their rivals Write the correct letter, A, B or C, in boxes 8-11 on your answer sheet.8 cameras9 sensors10 protein tests11 altitude tentsQuestions 12 and 13Answer the questions below.Choose NO MORE THAN THREE WORDS AND/OR A NUMBER from the passage for each answer.Write your answers in boxes 12 and 13 on your answer sheet.12 What is produced to help an athlete plan their performance in an event?(help an athlete plan, produced / prepare the athlete by, developing)13 By how much did some cyclists' performance improve at the 1996 Olympic Games?READING PASSAGE 1真题解析：篇章结构体裁说明文主题澳大利亚的体育成就结构 A段：澳大利亚体育成绩斐然 B段：科技是第一生产力C段：精确测量和数据分析 D段：精确测量和数据分析的实例E段：数据的实际应用 F段：不可复制的成功必背词汇A段fair adj.合理的 pro n.职业运动员demolish v.击败；破坏，毁坏 under the eye of 在……的注意下rival n.竞争者，对手 body n.团体，机构seeming adj.表面上的(通常事实并非如此) finance v.给……提供经费ease n.不费力，轻松 excellence n.优秀，卓越extensive adj.广泛的，涉及面广的 intensive adj.强化的underpin v.以……为稳固基础 nutritional adj.营养的B段centre stage 中心地位 squash n.壁球collaborate v.合作 instrument n.仪器，器械golfer n.打高尔夫球的人 ethereal adj.飘渺的，引申为不切实际的C段come down to(sth.)可归结为 wire-frame adj.线框的second-by-second 每秒的 slice v.划开；切开output n.输出 slow motion 慢动作wring…out of 原义为扭，榨取，此处引申为从……中(经过努力)获得 side-on 从侧面stroke n.划动，划水tweak v.扭，用力拉 spine n.脊柱world-beating adj.举世瞩目的 swivel v.旋转prototype n.原型 biomechanical adj.生物力(学)的profile n.原义为轮廓、外形，此处意为模型 velocity n.速度，速率lap n.一圈budding adj.发展中的 spit out 原义是吐出，此处引申为显示出、分析出frame n.帧，画面D段turn time 转身时间 immunoglobulin n.免疫球蛋白unobtrusive adj.不显眼的，不醒目的 present adj.存在的sensor n.传感器 saliva n.唾液embed v.使插入；使嵌入 ease v.减轻，减弱sweat v.出汗，发汗 remarkably adv.显著地，引人注目地；非常地experimentation n.实验，试验 immune-system 免疫系统的E段complex adj.复杂的 transform v.转换，转变，改变championship n.冠军赛 arguably adv.可论证地(可辩论地)，有理由说地gear v.调整，(使)适合 segment n.部分F段unveil v.展示(新产品)；揭开 altitude tent 高原帐篷coolant-lined 流线型散热 replicate v.复制endurance n.耐力；忍耐力 encompass v.包含或包括某事物slice v.减少，降低澳大利亚的体育成就A 他们努力竞争，他们积极参及，他们参加比赛完全为了取胜。
雅思阅读Unit1
UNIT 1 EducationEducation over the past 100 yearsA The education of our young people is one of the most important aspects（方面）of any community, and ideas about what and how to teach reflect the accepted attitudes and unspoken beliefs of society. These ideas change as local customs and attitudes change, and these changes are reflected in the curriculum [kə´rikjələm] (课程), teaching and assessment [ə´sesmənt]（评价）methods and the expectations of how both students and teachers should behave.B Teaching in the late 1800s and early 1900s was very different from today. Rules for teachers at the time in the USA covered both the teacher’s duties and their conduct [kən´dʌkt]（行为）out of class as well. Teacher at that time were expected to set a good example to their pupils and to behave in a very virtuous [´vʒtʃuəs] （有道德的）and proper manner. Women teachers should not marry, nor should they ‘keep company with men.’ They had to wear long dresses and no bright colours and they were not permitted to dye（染色）their hair. They were not allowed to loiter [´lɔitə]（闲荡）downtown in an ice cream store, and women were not allowed to go out in the evenings unless to a school function, although men were allowed one evening a week to take their girlfriends out if they went to church regularly. No teachers were allowed to drink alcohol. They were allowed to read only good books such as the Bible, and they were given a pay increase of 25c (25 cents) a week after five years of work for the local school.C As well as this long list of ‘dos’ and ‘don’ts’(该做与不该做), teachers had certain duties to perform each day. In country schools, teachers were required to keep the coal bucket full for the classroom fire, and to bring a bucket of water each day for the children to drink. They had to make the pens for their students to write with and to sweep（打扫）the floor and keep the classroom tidy. However, despite this list of duties, little was stipulated [´stipjuletid]（规定）about the content of the teaching, nor about assessment methods.D Teachers would have been expected to teach the three ‘r’s-reading, writing and arithmetic [ə´riθməik]（算术）, and to teach the children about Christianity [,kristi´ænəti]（基督教精神）and read from the Bible every day. Education in those days was much simpler than it is today and covered basic literacy [´litərəsi]（读写能力）skills and religious education. They would almost certainly have used corporal[´kɔrpərəl] punishment（体罚）such as a stick or the strap [stræp]（皮条）on naughty or unruly children, and the children would have sat together in pairs in long rows in the classroom. They would have been expected to sit quietly and to do their work, copying long rows of letters or doing basic maths sums （算术题）. Farming children in country areas would have had only a few years of schooling and would probably have left school at 12 or 14 years of age to join their parents in farm work.E Compare this with a country school in the USA today! If you visited today, you would see the children sitting in groups round large tables, or even on the floor. They would be working together on a range of different activities, and there would almost certainly be one or more computers in the classroom. Children nowadays are allowed and even expected to talk quietly to each other while they work, and they are also expected to ask their teachers questions and to actively engage in（参加)finding out information for themselves, instead of just listening to the teacher.F There are no rules of conduct for teachers out of the classroom, and they are not expected toperform caretaking (照顾学生)duties such as cleaning the classroom or making pens, but nevertheless(虽然如此) their jobs are much harder than they were in the 1900s. Teachers today are expected to work hard on planning their lessons, to teach creatively and to stimulate [´stimjə´let] (激励) children’s minds, and there are strict protocols(条款) about assessment across the whole of the USA. Corporal punishment is illegal, and any teacher who hit a child would be dismissed (开除) instantly. Another big difference is that most state schools in western countries are secular [´sekjələ] (现世的), so religious teaching is not part of the curriculum.G These changes in educational methods and ideas reflect changes in our society in general. Children in western countries nowadays come from all part of the globe and they bring different cultures, religions and beliefs to the classroom. It is no longer considered acceptable or appropriate [ə´prəupriət] (合适的) for state schools to teach about religious beliefs. Ideas about the value and purpose of education have also changed and with the increasing sophistication [sə,fisti´keiʃn] (复杂) of workplaces and life skills needed for a successful career, the curriculum has also expanded to try to prepare children for the challenges of a diverse [dai´vʒs] (多种多样的) working community. It will be interesting to see how these changes continue into the future as our society and culture grows and develops.4.____Teaching content in the past____Teaching in the present____Rules for teachers in the past____The importance of educational beliefs____Changes in teaching and in society____Teachings duties in the past____Rules for teachers in the presentD E B A G C F5.(1)_____Students as Classroom Researchers(2)______Increasing Teacher Expectations(3)______Teachers as School Cleaners(4)______Education as Preparation for Working Life(5)______Teaching as a Mirror of Societal Beliefs(6)______Expectations of Early Teachers(7)______A Basic CurriculumE F C G A B D(8) In the early 1900s women teachers were:A allowed to get married after five yearsB not allowed to read the Bible at schoolC allowed to go to school eventsD allowed to wear colorful dresses(9) In the early 1900s teachers did not have to :A sweep the floor and fill the coal bucketB ask the students to do group workC teach reading ,writing and arithmeticD teach about the Bible and Christianity(10) In the early 1900s ,the children:A sat in order and were not allowed to speak in classB were not smacked if they were naughtyC stayed at school until they were at least 15D learned how to speak a foreign language(11) Nowadays ,children:A must sit quietly and work by themselvesB have access to computersC may not ask the teacher questionsD must do research after school ,not in school timeC B A B(12) Nowadays ,teachers :A must plan their classes carefullyB have strict assessment plans to followC may smack naughty childrenD teach children to think for themselvesE insist on silence in the classroomF may not smoke after work hoursG may not teach about religion in state schoolsa b d gEducational ideas and methods generally _____the way people think in any society .People’s attitudes to what is important can influence the expectations of teachers’behavior in a community .For example , in the 1900’s ,teachers had to ______ according to a set of strict rules ,and there were many things they were not _____to do , such as drink alcohol .Nowadays ,the ______of teachers outside the classroom is not considered important ,because ideas have changed. In the 1900s there was a list of caretaking ____ for teachers ,but nowadays this does not happen .Ideas about discipline have also changed .______punishment was a common form of discipline in the past ,but this is _____now.Reflect behave permitted conduct duties Corporal illegal(20)The writer’s main idea is that: dA education is very important for young peopleB ideas about education change all the timeC society changes as educational ideas changeD educational ideas change as our society changes6.A ._______is a key part of effective education ,because students and teachers need to know whathas been learned and understood .B._______The best schools have high ________ of the students’achievement .In these schools ,students ,teachers and parents share a similar _____to the importance of hard work and study ,and all ______of education are valued .C Changes in lifestyle ,such ans bigger houses and more car ownership ,_______the development of our economy .D In modern schools ,_______activities such as free writing are encouraged ,and there is a _____ _______ which offers a ______of subject choices to meet the needs and interests of each pupil .There is an increasing level of ______in the curriculum to meet the needs of the workplace .E Students who _____in school activities generally do better than those who are not interested .F In most schools ,smoking is not _____on the grounds .G _______skills such as reading and writing are an important _____for success in life .H This IELTS reading book needs to include _______reading passage which are similar to those found in the reading test . Writers need to ______length ,topic and writing style .Assessmentexpectations ,attitude ,aspectsreflectCreative ,diverse curriculum ,range ,sophistication .ParticipateLiteracy,basisAppropriate ,considercation important aspect of societyIdeas changes as ________changesChanges affect -curriculum ,teaching and assessment- expectations of _____ and _______Rules for teachers in 1900s -duties and ______Conduct -set a good ______to studentsExample : Women could not ____________Clothes rules:_______________Social life:_____________Reading:______________Duties-had to _________________________Subject-reading ,_________,__________,__________Punishment ________________________________Seating arrangements : pairs , seats in ________Teaching style: sit ______________________________Seating arrangements __________________________Teaching style _____________________________Rules for teachers _____________________________May not teach religionMay not ________childrenEducation in the 2000s is to help children with the ______ for working life答案：societyTeachers studentsRules for teachers in 1900s conductExampleSmoke ,drink alcohol ,get marriedLong dresses ,no bright colors ,no hair dyeonly school related events ,no visiting menThe Bible and good books onlyKeep the coal bucket full ,bring water for children ,sharpen pens ,sweep floor ,keep classroom tidy 1900s -teaching -strict and inflexibleWriting ,arithmetic ,BibleCorporal -hit with stick or strapRowsQuietly ,copy from the board2000s - teaching -looser and more flexibleGroupsCreative ,do research ,ask questions ,work togetherNo rules about conduct outside classroomSmack or hitSkills9.Word option 1 option 2 option 3 part of speech Virtuous strict well behaved tidy adj.Keep company go out with talk to start a business with v.Loiter talk to people eat food in public stay for a while v.Function use meeting lesson n. Stipulated required needed discussed v.(p.p.) Corporal army physical severe adj.Unruly pretty badly behaved young adj. Protocols ideas numbers rules n(pl)Illegal sick against the law naughty adj Secular in cities not religious government funded adj。
雅思阅读篇
济南新航道学校IELTS READING雅思阅读高分必备习题集注：本习题集仅供济南新航道内部学员使用，严禁翻印，传阅。
Contents1.Amateur naturalist 业余自然学家（P3）municating Styles and Conflict 交流的方式与冲突(P6)3.Health in the Wild 野生动物自愈.(p10)4.The Rainmaker 人工造雨(P13)5.Shoemaker-Levy 9 Collision with Jupiter 舒梅克彗星撞木星(P16)6. A second look at twin studies 双胞胎研究(P19)7.Transit of Venus 金星凌日(P22)8.Placebo Effect—The Power of Nothing安慰剂效应(P25)9.The origins of Laughter 笑的起源(P29)10.Rainwater Harvesting 雨水收集(P32)11.Serendipity:The Accidental Scientists科学偶然性(P36)12.T erminated! Dinosaur Era! 恐龙时代的终结(P40) ADDICTION 电视上瘾(P43)14.E I nino and Seabirds 厄尔尼诺和水鸟(P46)15.T he extinct grass in Britain 英国灭绝的某种草(P50)16.E ducation philosophy教育的哲学(P53)17.T he secret of Yawn打哈欠的秘密(P57)18.c onsecutive and simultaneous translation交替传译和同声传译(P60)19.N umeracy: can animals tell numbers?动物会数数么？(P63)20.G oing nowhere fast(P66)21.T he seedhunters种子收集者(P69)22.T he conquest of Malaria in Italy意大利征服疟疾(P72)READING PASSAGE 1You should spend about 20minutes on Questions 27-40 which are based on Reading Passage 3 below.文章背景：业余自然学家主要讲述的是有一些人，平时喜欢观察自然界的植物生长，养蜂过程，气候变化，等等与大自然相关的变化并且做记录得到一些数据，这种数据叫做“amateur data”. 本文主要介绍业余自然学家以及一些专业自然学家探讨业余自然学家的数据是否能用，以及应该如何使用这些自然学家的数据，其可信度有多少等问题。
剑桥雅思阅读10答案精讲（test1）
剑桥雅思阅读10答案精讲(test1)雅思阅读部分的真题资料，同学们需要进行一些细致的总结，比如说解析其实就是很重要的内容，接下来就是小编给同学们带来的关于剑桥雅思阅读10原文翻译解析(test1)的内容，一起来详细的分析一下吧，希望对你们的备考有所帮助。
剑桥雅思阅读10原文(test1)READING PASSAGE 1You should spend about 20 minutes on Questions 1-13，which are based on Reading Passage 1 below.StepwellsA millennium ago, stepwells were fundamental to life in the driest parts of India. Richard Cox travelled to north-western India to document these spectacular monuments from a bygone era During the sixth and seventh centuries, the inhabitants of the modern-day states of Gujarat and Rajasthan in north-western India developed a method of gaining access to clean, fresh groundwater during the dry season for drinking, bathing, watering animals and irrigation. However, the significance of this invention —the stepwell —goes beyond its utilitarian application.Unique to this region, stepwells are often architecturally complex and vary widely in size and shape. During their heyday, they were places of gathering, of leisure and relaxation and of worship for villagers of all but the lowest classes. Most stepwells are found dotted round the desert areas of Gujarat (where they are called vav) and Rajasthan (where they are called baori), while a few also survive in Delhi. Some were located in or near villages as public spaces for the community; others were positioned beside roads as resting places for travellers.As their name suggests, stepwells comprise a series of stone steps descending from ground level to the water source (normally an underground aquifer) as it recedes following the rains. When the water level was high, the user needed only to descend a few steps to reach it; when it was low, several levels would have to be negotiated.Some wells are vast, open craters with hundreds of steps paving each sloping side, often in tiers. Others are more elaborate, with long stepped passages leading to the water via several storeys. Built from stone and supported by pillars, they also included pavilions that sheltered visitors from the relentless heat. But perhaps the most impressive features are the intricate decorative sculptures that embellish many stepwells, showing activities from fighting and dancing to everyday acts such as women combing their hair or churning butter.Down the centuries, thousands of wells were constructed throughout north?western India, but the majority have now fallen into disuse; many are derelict and dry, as groundwater has been diverted for industrial use and the wells no longer reach the water table. Their condition hasn’t been helped by recent dry spells: southern Rajasthan suffered an eight-year drought between 1996 and 2004.However, some important sites in Gujarat have recently undergone major restoration, and the state government announced in June last year that it plans to restore the stepwells throughout the state.In Patan, the state’s ancient capital, the stepwell of Rani Ki Vav (Queen’s Stepwell) is perhaps the finest current example. It was built by Queen Udayamati during the late 11th century, but became silted up following a flood during the 13th century. Butthe Archaeological Survey of India began restoring it in the 1960s, and today it is in pristine condition. At 65 metres long, 20 metres wide and 27 metres deep, Rani Ki Vav features 500 sculptures carved into niches throughout the monument. Incredibly, in January 2001, this ancient structure survived an earthquake that measured 7.6 on the Richter scale.Another example is the Surya Kund in Modhera, northern Gujarat, next to the Sun Temple, built by King Bhima I in 1026 to honour the sun god Surya. It actually resembles a tank (kund means reservoir or pond) rather than a well, but displays the hallmarks of stepwell architecture, including four sides of steps that descend to the bottom in a stunning geometrical formation. The terraces house 108 small, intricately carved shrines between the sets of steps.Rajasthan also has a wealth of wells. The ancient city of Bundi, 200 kilometres south of Jaipur, is renowned for its architecture, including its stepwells.One of the larger examples is Raniji Ki Baori，which was built by the queen of the region, Nathavatji, in 1699. At 46 metres deep, 20 metres wide and 40 metres long, the intricately carved monument is one of 21 baoris commissioned in the Bundi area by Nathavatji.In the old ruined town of Abhaneri, about 95 kilometres east of Jaipur, is Chand Baori, one of India’s oldest and deepest wells; aesthetically it’s perhaps one of the most dramatic. Built in around 850 AD next to the temple of Harshat Mata, the baori comprises hundreds of zigzagging steps that run along three of its sides, steeply descending 11 storeys, resulting in a striking pattern when seen from afar. On the fourth side, verandas which are supported by ornate pillars overlook the steps.Still in public use is Neemrana Ki Baori, located just off the Jaipur-Delhi highway. Constructed in around 1700, it is nine storeys deep, with the last two being underwater. At ground level, there are 86 colonnaded openings from where the visitor descends 170 steps to the deepest water source.Today, following years of neglect, many of these monuments to medieval engineering have been saved by the Archaeological Survey of India, which has recognised the importance of preserving them as part of the country’s rich history. T ourists flock to wells in far-flung corners of north?-western India to gaze in wonder at these architectural marvels from hundreds of years ago, which serve as a reminder of both the ingenuity and artistry of ancient civilisations and of the value of water to human existence.Questions 1-5Do the following statements agree with the information given in Reading Passage 1?In boxes 1-5 on your answer sheet, writeTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on this1 Examples of ancient stepwells can be found all over the world.2 Stepwells had a range of functions, in addition to those related to water collection.3 The few existing stepwells in Delhi are more attractive than those found elsewhere.4 It took workers many years to build the stone steps characteristic of stepwells.5 The number of steps above the water level in a stepwellaltered during the course of a year.Questions 6-8Answer the questions below.Choose ONE WORD ONLY from the passage for each answer.Write your answers in boxes 6-8 on your answer sheet6 Which part of some stepwells provided shade for people?7 What type of serious climatic event, which took place in southern Rajasthan, is mentioned in the article?8 Who are frequent visitors to stepwells nowadays?Questions 9-13Complete the table below.Choose ONE WORD AND/OR A NUMBER from the passage for each answer. Write your answers in boxes 9-13 on your answer sheetStepwell Date Features Other notesRani Ki Vav Late11thcentury As many as 500 sculptures decorate the monument Restored in the 1960sExcellent condition, despite the 9 _______ of 2001Surya Kund 1026 Steps on the10 ______ produce ageometrical patternCarved shrines Looks more like a 11 _______than a wellRaniji Ki Baori 1699 Intricately carved monument One of 21 baoris in the area commissioned by Queen Nathavatji Chand Baori 850 AD Steps take you down 11 storeys to the bottom Old, deep and very dramaticHas 12 _____ whichprovide a view of the stepsNeemrana Ki Baori 1700 Has two 13 ______levels Used by public todayREADING PASSAGE 2You should spend about 20 minutes on Questions 14-26, which are based on Reading Passage 2 on the following pages.Questions 14-21Reading Passage 2 has nine paragraphs, A-I.Choose the correct heading for paragraphs A-E and G-I from the list of headings below.Write the correct number，i-xi, in boxes 14-21 on your answer sheetList of Headingsi A fresh and important long-term goalii Charging for roads and improving other transport methods iii Changes affecting the distances goods may be transportediv Taking all the steps necessary to change transport patterns v The environmental costs of road transportvi The escalating cost of rail transportvii The need to achieve transport rebalanceviii The rapid growth of private transportix Plans to develop major road networksx Restricting road use through charging policies alonexi Transport trends in countries awaiting EU admission14 Paragraph A 19 Paragraph G15 Paragraph B 20 Paragraph H16 Paragraph C 21 Paragraph I17 Paragraph D18 Paragraph EExample AnswerParagraph F viiEUROPEAN TRANSPORT SYSTEMS1990-2010What have been the trends and what are the prospects for European transport systems?A It is difficult to conceive of vigorous economic growth without an efficient transport system. Although modern information technologies can reduce the demand for physical transport by facilitating teleworking and teleservices, the requirement for transport continues to increase. There are two key factors behind this trend. For passenger transport, the determining factor is the spectacular growth in car use. The number of cars on European Union (EU) roads saw an increase of three million cars each year from 1990 to 2010, and in the next decade the EU will see a further substantial increase in its fleet.B As far as goods transport is concerned, growth is due to a large extent to changes in the European economy and its system of production. In the last 20 years, as internal frontiers have been abolished, the EU has moved from a ‘stock’ economy to a ‘flow’ economy. This phenomenon has been emphasised by the relocation of some industries, particularly those which are labour intensive, to reduce production costs, even though the production site is hundreds or even thousands of kilometres away from the final assembly plant or away from users.C The strong economic growth expected in countries which are candidates for entry to the EU will also increase transport flows, in particular road haulage traffic. In 1998, some of these countries already exported more than twice their 1990 volumes and imported more than five times their 1990 volumes. And although many candidate countries inherited a transport systemwhich encourages rail, the distribution between modes has tipped sharply in favour of road transport since the 1990s. Between 1990 and 1998，road haulage increased by 19.4%, while during the same period rail haulage decreased by 43.5%, although — and this could benefit the enlarged EU — it is still on average at a much higher level than in existing member states.D However, a new imperative — sustainable development —offers an opportunity for adapting the EU’s common transport policy. This objective, agreed by the Gothenburg European Council, has to be achieved by integrating environmental considerations into Community policies, and shifting the balance between modes of transport lies at the heart of its strategy. The ambitious objective can only be fully achieved by 2020, but proposed measures are nonetheless a first essential step towards a sustainable transport system which will ideally be in place in 30 years’ time, that is by 2040.E In 1998，energy consumption in the transport sector was to blame for 28% of emissions of CO2，the leading greenhouse gas. According to the latest estimates, if nothing is done to reverse the traffic growth trend, CO2 emissions from transport can be expected to increase by around 50% to 1,113 billion tonnes by 2020，compared with the 739 billion tonnes recorded in 1990. Once again, road transport is the main culprit since it alone accounts for 84% of the CO2 emissions attributable to transport. Using alternative fuels and improving energy efficiency is thus both an ecological necessity and a technological challenge.F At the same time greater efforts must be made to achieve a modal shift. Such a change cannot be achieved overnight, all the less so after over half a century of constant deterioration infavour of road. This has reached such a pitch that today rail freight services are facing marginalisation, with just 8% of market share, and with international goods trains struggling along at an average speed of 18km/h. Three possible options have emerged.G The first approach would consist of focusing on road transport solely through pricing. This option would not be accompanied by complementary measures in the other modes of transport. In the short term it might curb the growth in road transport through the better loading ratio of goods vehicles and occupancy rates of passenger vehicles expected as a result of the increase in the price of transport. However, the lack of measures available to revitalise other modes of transport would make it impossible for more sustainable modes of transport to take up the baton.H The second approach also concentrates on road transport pricing but is accompanied by measures to increase the efficiency of the other modes (better quality of services, logistics, technology). However, this approach does not include investment in new infrastructure, nor does it guarantee better regional cohesion. It could help to achieve greater uncoupling than the first approach, but road transport would keep the lion’s share of the market and continue to concentrate on saturated arteries, despite being the most polluting of the modes. It is therefore not enough to guarantee the necessary shift of the balance.I The third approach, which is not new, comprises a series of measures ranging from pricing to revitalising alternative modes of transport and targeting investment in the trans-European network. This integrated approach would allow the market shares of the other modes to return to their 1998 levels and thus makea shift of balance. It is far more ambitious than it looks, bearing in mind the historical imbalance in favour of roads for the last fifty years, but would achieve a marked break in the link between road transport growth and economic growth, without placing restrictions on the mobility of people and goods.Questions 22-26Do the following statements agree with the information given in Reading Passage 2?In boxes 22-26 on your answer sheet, writeTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on this22 The need for transport is growing, despite technological developments.23 To reduce production costs, some industries have been moved closer to their relevant consumers.24 Cars are prohibitively expensive in some EU candidate countries.25 The Gothenburg European Council was set up 30 years ago.26 By the end of this decade, CO2 emissions from transport are predicted to reach 739 billion tonnes.READING PASSAGE 3You should spend about 20 minutes on Questions 27-40, which are based on Reading Passage 3 below.The psychology of innovationWhy are so few companies truly innovative?Innovation is key to business survival，and companies put substantial resources into inspiring employees to develop new ideas. There are, nevertheless, people working in luxurious, state-of-the-art centres designed to stimulate innovation who find that their environment doesn’t make them feel at all creative. And there are those who don’t have a budget, or much space, but who innovate successfully.For Robert B. Cialdini, Professor of Psychology at Arizona State University, one reason that companies don’t succeed as often as they should is that innovation starts with recruitment. Research shows that the fit between an employee’s values and a company’s values makes a difference to what contribution they make and whether, two years after they join, they’re still at the company. Studies at Harvard Business School show that, although some individuals may be more creative than others, almost every individual can be creative in the right circumstances.One of the most famous photographs in the story of rock’n’roll emphasises Ciaidini’s views. The 1956 picture of singers Elvis Presley, Carl Perkins, Johnny Cash and Jerry Lee Lewis jamming at a piano in Sun Studios in Memphis tells a hi dden story. Sun’s ‘million-dollar quartet’ could have been a quintet. Missing from the picture is Roy Orbison, a greater natural singer than Lewis, Perkins or Cash. Sam Phillips, who owned Sun, wanted to revolutionise popular music with songs that fused black and white music, and country and blues. Presley, Cash, Perkins and Lewis instinctively understood Phillips’s ambition and believed in it. Orbison wasn’t inspired by the goal, and only ever achieved one hit with the Sun label.The value fit matters, says Cialdini, because innovation is, in part, a process of change, and under that pressure we, as a species，behave differently, ‘When things change, we are hard-wired to play it safe.’ Managers should therefore adopt an approach that appears counter?intuitive — they should explainwhat stands to be lost if the company fails to seize a particular opportunity. Studies show that we invariably take more gambles when threatened with a loss than when offered a reward.Managing innovation is a delicate art. It’s eas y for a company to be pulled in conflicting directions as the marketing, product development, and finance departments each get different feedback from different sets of people. And without a system which ensures collaborative exchanges within the company, it’s also easy for small ‘pockets of innovation’ to disappear. Innovation is a contact sport. You can’t brief people just by saying, ‘We’re going in this direction and I’m going to take you with me.’Cialdini believes that this ‘follow-the-leader syndrome is dangerous, not least because it encourages bosses to go it alone. ‘It’s been scientifically proven that three people will be better than one at solving problems, even if that one person is the smartest person in the field.’ To prove his point, Cialdini cites an interview with molecular biologist James Watson. Watson, together with Francis Crick, discovered the structure of DNA, the genetic information carrier of all living organisms. ‘When asked how they had cracked the code ahead of an array of highly accomplished rival investigators, he said something that stunned me. He said he and Crick had succeeded because they were aware that they weren’t the most intelligent of the scientists pursuing the answer. The smartest scientist was called Rosalind Franklin who, Watson said, “was so intelligent she rarely sought advice”.’Teamwork taps into one of the basic drivers of human behaviour. ‘The principle of social proof is so pervasive that we don’t even recognise it,’ says Cialdini. ‘If your project is beingresisted, for example, by a group of veteran employees, ask another old-timer to speak up for it.’ Cialdini is not alone in advocating this strategy. Research shows that peer power, used horizontally not vertically, is much more powerful than any boss’s speec h.Writing, visualising and prototyping can stimulate the flow of new ideas. Cialdini cites scores of research papers and historical events that prove that even something as simple as writing deepens every individual’s engagement in the project. It is, he says, the reason why all those competitions on breakfast cereal packets encouraged us to write in saying, in no more than 10 words: ‘I like Kellogg’s Com Flakes because… .’ The very act of writing makes us more likely to believe it.Authority doesn’t have to inhibit innovation but it often does. The wrong kind of leadership will lead to what Cialdini calls ‘captainitis, the regrettable tendency of team members to opt out of team responsibilities that are properly theirs’. He calls it captainitis because, he says, ‘crew members of multipilot aircraft exhibit a sometimes deadly passivity when the flight captain makes a clearly wrong-headed decision’. This behaviour is not, he says, unique to air travel, but can happen in any workplace where the leader is overbearing.At the other end of the scale is the 1980s Memphis design collective, a group of young designers for whom ‘the only rule was that there were no rules’. This environment encouraged a free interchange of ideas, which led to more creativity with form, function, colour and materials that revolutionised attitudes to furniture design.Many theorists believe the ideal boss should lead from behind, taking pride in collective accomplishment and givingcredit where it is due. Cialdini says: ‘Leaders should en courage everyone to contribute and simultaneously assure all concerned that every recommendation is important to making the right decision and will be given full attention.’ The frustrating thing about innovation is that there are many approaches, but no magic formula. However, a manager who wants to create a truly innovative culture can make their job a lot easier by recognising these psychological realities.Questions 27-30Choose the correct letter, A, B, C or D.Write the correct letter in boxes 27-30 on your answer sheet.27 The example of the ‘million-dollar quartet’ underlines the writer’s point aboutA recognising talent.B working as a team.C having a shared objective.D being an effective leader.28 James Watson suggests that he and Francis Crick won the race to discover the DNA code because theyA were conscious of their own limitations.B brought complementary skills to their partnership.C were determined to outperform their brighter rivals.D encouraged each other to realise their joint ambition.29 The writer mentions competitions on breakfast cereal packets as an example of how toA inspire creative thinking.B generate concise writing.C promote loyalty to a group.D strengthen commitment to an idea.30 In the last paragraph, the writer suggests that it isimportant for employees toA be aware of their company’s goals.B feel that their contributions are valued.C have respect for their co-workers’ achievements.D understand why certain management decisions are made.Questions 31-35Complete each sentence with the correct ending, A-G, below.Write the correct letter, A-G, in boxes 31-35 on your answer sheet31 Employees whose values match those of their employers are more likely to32 At times of change, people tend to33 If people are aware of what they might lose, they will often34 People working under a dominant boss are liable to35 Employees working in organisations with few rules are more likely toA take chances.B share their ideas.C become competitive.D get promotion.E avoid risk.F ignore their duties.G remain in their jobs.Questions 36-40Do the following statements agree with the claims of the writer in Reading Passage 3?In boxes 36-40 on your answer sheet, writeYES if the statement agrees with the claims of the writerNO if the statement contradicts the claims of the writerNOT GIVEN if it is impossible to say what the writer thinksabout this36 The physical surroundings in which a person works play a key role in determining their creativity.37 Most people have the potential to be creative.38 Teams work best when their members are of equally matched intelligence.39 It is easier for smaller companies to be innovative.40 A manager’s approval of an idea is more persuasive than that of a colleague.剑桥雅思阅读10原文参考译文(test1)Passage 1 参考译文：梯水井一千年前，对存活于印度最干旱的地区的生命来说，阶梯水丼是非常重要的。
剑桥雅思阅读7（test1）真题解析
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剑桥雅思阅读7原文(test1)READING PASSAGE 1You should spend about 20 minutes on Questions 1-13, which are based on Reading Passage 1 below.Let’s Go BatsA Bats have a problem: how to find their way around in the dark. They hunt at night, and cannot use light to help them find prey and avoid obstacles. You might say that this is a problem of their own making, one that they could avoid simply by changing their habits and hunting by day. But the daytime economy is already heavily exploited by other creatures such as birds. Given that there is a living to be made at night, and given that alternative daytime trades are thoroughly occupied, natural selection has favoured bats that make a go of the night-hunting trade. It is probable that the nocturnal trades go way back in the ancestry of all mammals. In the time when the dinosaurs dominated the daytime economy, our mammalian ancestors probably only managed to survive at all because they found ways of scraping a living at night. Only after the mysterious mass extinction of the dinosaurs about 65 million years ago were our ancestors able to emerge into the daylight in any substantial numbers.B Bats have an engineering problem: how to find their way and find their prey in the absence of light. Bats are not the only creatures to face this difficulty today. Obviously the night-flying insects that they prey on must find their way about somehow.Deep-sea fish and whales have little or no light by day or by night. Fish and dolphins that live in extremely muddy water cannot see because, although there is light, it is obstructed and scattered by the dirt in the water. Plenty of other modern animals make their living in conditions where seeing is difficult or impossible.C Given the questions of how to manoeuvre in the dark, what solutions might an engineer consider? The first one that might occur to him is to manufacture light, to use a lantern or a searchlight. Fireflies and some fish (usually with the help of bacteria) have the power to manufacture their own light, but the process seems to consume a large amount of energy. Fireflies use their light for attracting mates. This doesn’t req uire a prohibitive amount of energy: a male’s tiny pinprick of light can be seen by a female from some distance on a dark night, since her eyes are exposed directly to the light source itself. However, using light to find one’s own way around requires vast ly more energy, since the eyes have to detect the tiny fraction of the light that bounces off each part of the scene. The light source must therefore be immensely brighter if it is to be used as a headlight to illuminate the path, than if it is to be used as a signal to others. In any event, whether or not the reason is the energy expense, it seems to be the case that, with the possible exception of some weird deep-sea fish, no animal apart from man uses manufactured light to find its way about.D What else might the engineer think of? Well, blind humans sometimes seem to have an uncanny sense of obstacles in their path. It has been given the name ‘facial vision’, because blind people have reported that it feels a bit like the sense of touch, on the face. One report tells of a totally blind boy who could ride his tricycle at good speed round the block near his home, using facialvision. Experiments showed that, in fact, facial vision is nothing to do with touch or the front of the face, although the sensation may be referred to the front of the face, like the referred pain in a phantom limb. The sensation of facial vision, it turns out, really goes in through the ears. Blind people, without even being aware of the fact, are actually using echoes of their own footsteps and of other sounds, to sense the presence of obstacles. Before this was discovered, engineers had already built instruments to exploit the principle, for example to measure the depth of the sea under a ship. After this technique had been invented, it was only a matter of time before weapons designers adapted it for the detection of submarines. Both sides in the Second World War relied heavily on these devices, under such codenames as Asdic (British) and Sonar (American), as well as Radar (American) or RDF (British), which uses radio echoes rather than sound echoes.E The Sonar and Radar pioneers didn’t know it then, but all the world now knows that bats, or rather natural selection working on bats, had perfected the system tens of millions of years earlier, and their ‘radar’ achieves feats of detection and navigation that would strike an engineer dumb with admiration. It is technically incorrect to talk about bat ‘radar’, since they do not use radio waves. It is sonar. But the underlying mathematical theories of radar and sonar are very similar, and much of our scientific understanding of the details of what bats are doing has come from applying radar theory to them. The American zoologist Donald Griffin, who was largely responsible for the discovery of sonar in bats, coined the term ‘echolocation’ to cover both sonar and radar, whether used by animals or by human instruments.Questions 1-5Reading Passage 1 has five paragraphs, A-E.Which paragraph contains the following information?Write the correct letter, A-E, in boxes 1-5 on your answer sheet.NB You may use any letter more than once.1 examples of wildlife other than bats which do not rely on vision to navigate by2 how early mammals avoided dying out3 why bats hunt in the dark4 how a particular discovery has helped our understanding of bats5 early military uses of echolocationQuestions 6-9Complete the summary below.Choose ONE WORD ONLY from the passage for each answer.Write your answers in boxes 6-9 on your answer sheet.Facial VisionBlind people report that so-called ‘facial vision’ is comparable to the sensation of touch on the face. In fact, the sensation is more similar to the way in which pain from a 6……………arm or leg might be felt. The ability actually comes from perceiving 7……………through the ears. However, even before this was understood, the principle had been applied in the design of instruments which calculated the 8………………of the seabed. This was followed by a wartime application in devices for finding 9…………………………Questions 10-13Complete the sentences below.Choose NO MORE THAN TWO WORDS from the passage for each answer.Write your answers in boxes 10-13 on your answer sheet.10 Long before the invention of radar, …………… had resulted in a sophisticated radar-like system in bats.11 Radar is an inaccurate term when referring to bats because………… are not used in their navigation system.12 Radar and sonar are based on similar ………… .13 The word ‘echolocation’ was first used by someone working as a ……… .READING PASSAGE 2You should spend about 20 minutes on Questions 14-26, which are based on Reading Passage 2 on the following pages.Questions 14-20Reading Passage 2 has seven paragraphs, A-H.Choose the correct heading for paragraphs A and C-H from the list of headings below.Write the correct number, i-xi, in boxes 14-20 on your answer sheet.List of Headingsi Scientists’ call for a revision of policyii An explanation for reduced water useiii How a global challenge was metiv Irrigation systems fall into disusev Environmental effectsvi The financial cost of recent technological improvements vii The relevance to healthviii Addressing the concern over increasing populationsix A surprising downward trend in demand for waterx The need to raise standardsxi A description of ancient water supplies14 Paragraph AExample AnswerParagraph B iii15 Paragraph C16 Paragraph D17 paragraph E18 paragraph F19 paragraph G20 paragraph HMAKING EVERYDROP COUNTA The history of human civilisation is entwined with the history of the ways we have learned to manipulate water resources. As towns gradually expanded, water was brought from increasingly remote sources, leading to sophisticated engineering efforts such as dams and aqueducts. At the height of the Roman Empire, nine major systems, with an innovative layout of pipes and well-built sewers, supplied the occupants of Rome with as much water per person as is provided in many parts of the industrial world today.B During the industrial revolution and population explosion of the 19th and 20th centuries, the demand for water rose dramatically. Unprecedented construction of tens of thousands of monumental engineering projects designed to control floods, protect clean water supplies, and provide water for irrigation and hydropower brought great benefits to hundreds of millions of people. Food production has kept pace with soaring populations mainly because of the expansion of artificial irrigation systems that make possible the growth of 40 % of the world’s food. Nearly one fifth of all the electricity generated worldwide is produced by turbines spun by the power of falling water.C Yet there is a dark side to this picture: despite our progress,half of the world’s population still suffers, with water services inferior to those available to the ancient Greeks and Romans. As the United Nations report on access to water reiterated in November 2001, more than one billion people lack access to clean drinking water; some two and a half billion do not have adequate sanitation services. Preventable water-related diseases kill an estimated 10,000 to 20,000 children every day, and the latest evidence suggests that we are falling behind in efforts to solve these problems.D The consequences of our water policies extend beyond jeopardising human health. Tens of millions of people have been forced to move from their homes — often with little warning or compensation — to make way for the reservoirs behind dams. More than 20 % of all freshwater fish species are now threatened or endangered because dams and water withdrawals have destroyed the free-flowing river ecosystems where they thrive. Certain irrigation practices degrade soil quality and reduce agricultural productivity. Groundwater aquifers_are being pumped down faster than they are naturally replenished in parts of India, China, the USA and elsewhere. And disputes over shared water resources have led to violence and continue to raise local, national and even international tensions._underground stores of waterE At the outset of the new millennium, however, the way resource planners think about water is beginning to change. The focus is slowly shifting back to the provision of basic human and environmental needs as top priority —ensuring ‘some for all,’ instead of ‘more for some’. Some water experts are no w demanding that existing infrastructure be used in smarter ways rather than building new facilities, which is increasinglyconsidered the option of last, not first, resort. This shift in philosophy has not been universally accepted, and it comes with strong opposition from some established water organisations. Nevertheless, it may be the only way to address successfully the pressing problems of providing everyone with clean water to drink, adequate water to grow food and a life free from preventable water-related illness.F Fortunately — and unexpectedly — the demand for water is not rising as rapidly as some predicted. As a result, the pressure to build new water infrastructures has diminished over the past two decades. Although population, industrial output and economic productivity have continued to soar in developed nations, the rate at which people withdraw water from aquifers, rivers and lakes has slowed. And in a few parts of the world, demand has actually fallen.G What explains this remarkable turn of events? Two factors: people have figured out how to use water more efficiently, and communities are rethinking their priorities for water use. Throughout the first three-quarters of the 20th century, the quantity of freshwater consumed per person doubled on average; in the USA, water withdrawals increased tenfold while the population quadrupled. But since 1980, the amount of water consumed per person has actually decreased, thanks to a range of new technologies that help to conserve water in homes and industry. In 1965, for instance, Japan used approximately 13 million gallons_of water to produce $1 million of commercial output; by 1989 this had dropped to 3.5 million gallons (even accounting for inflation) —almost a quadrupling of water productivity. In the USA, water withdrawals have fallen by more than 20 % from their peak in 1980.H On the other hand, dams, aqueducts and other kinds of infrastructure will still have to be built, particularly in developing countries where basic human needs have not been met. But such projects must be built to higher specifications and with more accountability to local people and their environment than in the past. And even in regions where new projects seem warranted, we must find ways to meet demands with fewer resources, respecting ecological criteria and to a smaller budget.Questions 21-26Do the following statements agree with the information given in Reading Passage 2?In boxes 21-26 on your answer sheet, writeYES if the statement agrees with the claims of the writerNO if the statement contradicts the claims of the writerNOT GIVEN if it is impossible to say what the writer thinks about this21 Water use per person is higher in the industrial world than it was in Ancient Rome.22 Feeding increasing populations is possible due primarily to improved irrigation systems.23 Modern water systems imitate those of the ancient Greeks and Romans.24 Industrial growth is increasing the overall demand for water.25 Modern technologies have led to a reduction in domestic water consumption.26 In the future, governments should maintain ownership of water infrastructures.READING PASSAGE 3You should spend about 20 minutes on Questions 27-40,which are based on Reading Passage 3 below.EDUCATING PSYCHEEducating Psyche by Bernie Neville is a book which looks at radical new approaches to learning, describing the effects of emotion, imagination and the unconscious on learning. One theory discussed in the book is that proposed by George Lozanov, which focuses on the power of suggestion.Lozanov’s instructional technique is based on the evidence that the connections made in the brain through unconscious processing (which he calls non-specific mental reactivity) are more durable than those made through conscious processing. Besides the laboratory evidence for this, we know from our experience that we often remember what we have perceived peripherally, long after we have forgotten what we set out to learn. If we think of a book we studied months or years ago, we will find it easier to recall peripheral details —the colour, the binding, the typeface, the table at the library where we sat while studying it — than the content on which we were concentrating. If we think of a lecture we listened to with great concentration, we will recall the lecturer’s appearance and mannerisms, our place in the auditorium, the failure of the air-conditioning, much more easily than the ideas we went to learn. Even if these peripheral details are a bit elusive, they come back readily in hypnosis or when we relive the event imaginatively, as in psychodrama. The details of the content of the lecture, on the other hand, seem to have gone forever.This phenomenon can be partly attributed to the common counterproductive approach to study (making extreme efforts to memorise, tensing muscles, inducing fatigue), but it also simply reflects the way the brain functions. Lozanov therefore madeindirect instruction (suggestion) central to his teaching system. In suggestopedia, as he called his method, consciousness is shifted away from the curriculum to focus on something peripheral. The curriculum then becomes peripheral and is dealt with by the reserve capacity of the brain.The suggestopedic approach to foreign language learning provides a good illustration. In its most recent variant (1980), it consists of the reading of vocabulary and text while the class is listening to music. The first session is in two parts. In the first part, the music is classical (Mozart, Beethoven, Brahms) and the teacher reads the text slowly and solemnly, with attention to the dynamics of the music. The students follow the text in their books. This is followed by several minutes of silence. In the second part, they listen to baroque music (Bach, Corelli, Handel) while the teacher reads the text in a normal speaking voice. During this time they have their books closed. During the whole of this session, their attention is passive; they listen to the music but make no attempt to learn the material.Beforehand, the students have been carefully prepared for the language learning experience. Through meeting with the staff and satisfied students they develop the expectation that learning will be easy and pleasant and that they will successfully learn several hundred words of the foreign language during the class. In a preliminary talk, the teacher introduces them to the material to be c overed, but does not ‘teach’ it. Likewise, the students are instructed not to try to learn it during this introduction.Some hours after the two-part session, there is a follow-up class at which the students are stimulated to recall the material presented. Once again the approach is indirect. The students donot focus their attention on trying to remember the vocabulary, but focus on using the language to communicate (e.g. through games or improvised dramatisations). Such methods are not unusual in language teaching. What is distinctive in the suggestopedic method is that they are devoted entirely to assisting recall. The ‘learning’ of the material is assumed to be automatic and effortless, accomplished while listening to music. The teacher’s task is to assi st the students to apply what they have learned paraconsciously, and in doing so to make it easily accessible to consciousness. Another difference from conventional teaching is the evidence that students can regularly learn 1000 new words of a foreign language during a suggestopedic session, as well as grammar and idiom.Lozanov experimented with teaching by direct suggestion during sleep, hypnosis and trance states, but found such procedures unnecessary. Hypnosis, yoga, Silva mind-control, religious ceremonies and faith healing are all associated with successful suggestion, but none of their techniques seem to be essential to it. Such rituals may be seen as placebos. Lozanov acknowledges that the ritual surrounding suggestion in his own system is also a placebo, but maintains that without such a placebo people are unable or afraid to tap the reserve capacity of their brains. Like any placebo, it must be dispensed with authority to be effective. Just as a doctor calls on the full power of autocratic suggestion by insisting that the patient take precisely this white capsule precisely three times a day before meals, Lozanov is categoric in insisting that the suggestopedic session be conducted exactly in the manner designated, by trained and accredited suggestopedic teachers.While suggestopedia has gained some notoriety throughsuccess in the teaching of modern languages, few teachers are able to emulate the spectacular results of Lozanov and his associates. We can, perhaps, attribute mediocre results to an inadequate placebo effect. The students have not developed the appropriate mind set. They are often not motivated to learn through this method. They do not have enough ‘faith’. They do not see it as ‘real teaching’, especially as it does not seem to involve the ‘work’ they have learned to believe is essential to learning.Questions 27-30Choose the correct letter, A, B, C or D.Write the correct letter in boxes 27-30 on your answer sheet.27 The book Educating Psyche is mainly concerned withA the power of suggestion in learning.B a particular technique for learning based on emotions.C the effects of emotion on the imagination and the unconscious.D ways of learning which are not traditional.28 Lozanov’s theory claims that, when we try to remember things,A unimportant details are the easiest to recallB concentrating hard produces the best results.C the most significant facts are most easily recalled.D peripheral vision is not important.29 In this passage, the author uses the examples of a book and a lecture to illustrate thatA both of these are important for developing concentration.B his theory about methods of learning is valid.C reading is a better technique for learning than listening.D we can remember things more easily under hypnosis.30 Lozanov claims that teachers should train students toA memorise details of the curriculum.B develop their own sets of indirect instructions.C think about something other than the curriculum content.D avoid overloading the capacity of the brain.Questions 31-36Do the following statements agree with the information given in Reading Passage 37In boxes 31-36 on your answer sheet, writeTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on this31 In the example of suggestopedic teaching in the fourth paragraph, the only variable that changes is the music.32 Prior to the suggestopedia class, students are made aware that the language experience will be demanding.33 In the follow-up class, the teaching activities are similar to those used in conventional classes.34 As an indirect benefit, students notice improvements in their memory.35 Teachers say they prefer suggestopedia to traditional approaches to language teaching.36 Students in a suggestopedia class retain more new vocabulary than those in ordinary classes.Questions 37-40Complete the summary using the list of words, A-K, below.Write the correct letter, A-K, in boxes 37-40 on your answer sheet.Suggestopedia uses a less direct method of suggestion than other techniques such as hypnosis. However, Lozanov admits thata certain amount of 37..............is necessary in order to convince students, even if this is just a 38.............. . Furthermore, if the method is to succeed, teachers must follow a set procedure. Although Lozanov’s method has become quite 39.............., the results of most other teachers using this method have been40.............. .A spectacularB teachingC lessonD authoritarianE unpopularF ritualG unspectacular H placebo I involvedJ appropriate K well known剑桥雅思阅读7原文参考译文(test1)TEST 1 PASSAGE 1参考译文：走近蝙蝠A在黑暗中如何找到方向是蝙蝠面临的一大问题。
雅思阅读练习 ielts_academic_reading_practice_test_30
IELTS reading passage - Great MigrationsGreat MigrationsA.Animal migration is far more than just the movement of animals. It can be vaguely describedas movement that occurs at regular intervals mostly annually - that includes many species of animals, and is rewarded only at the end of the long journey. It shows inherited instinct. Hugh Dingle, a biologist recognised 5 features that apply, in varying combinations and degrees, toall migrations. They are prolonged movements that bring animals outside their familiarhabitats. The route is linear, and not zigzaggy. It involves special behaviours like preparation such as overfeeding and arrival. Animals need to specially allocate energy for the migration.They maintain an intense focus on the greater mission, which keeps them undistracted bytemptations and undeterred by challenges that would turn other animals aside.B.On its 20,000 km flight from the extreme south of South America to the Arctic circle, an arctictern will take no notice of a fish that a bird-watcher gives along the way. The tern flies on while local gulls will dive voraciously for such handouts.C.Why? By an instinctive sense the arctic tern resists distraction because it is driven by a largerpurpose at that moment - something we humans admire. It is persistent to reach itsdestination. The bird understands that it can eat, rest or mate later on. During the process, it is completely focused on the journey; its goal is the destination.D.The larger purpose will be served reaching some coastline in the Arctic, upon which otherarctic terns have gathered. It will find a place, a time, and an environment in which it can layeggs and rear offspring.E.But migration is a complex problem, and biologists view it differently, depending on what typeof animals they study. Joel Berger from University of Montana, researching on the Americanpronghorn and some large terrestrial mammals, prefers what he calls a simple, practicaldefinition suited to his beasts: 'movements to a home area from another area and back again'.Mostly the reason for such seasonal migration is to seek resources that aren't available withina single area throughout the year.F.Vertical movements by zooplankton daily in the ocean - upward movement to seek food atnight and downward movement to escape predators during the day - can also be considered migration. Also the movement of aphids after depleting the young leaves on a food plant, their offspring then fly towards a different host plant, and no aphid ever returns to where it started.G.Dingle is an evolutionary biologist who researches insects. His interpretation is morecomplicated than Berger's, citing those 5 features that differentiate migration from other forms of movement. They allow for the fact that aphids will become sensitive to blue light from thesky when it's time for takeoff on their big journey, and sensitive to yellow light while it is time to land.H.Birds will feed heavily in advance of a long migrational flight to fatten themselves. Dingleargues the value of his definition is that it focuses attention on what the phenomenon ofwildebeest migration has in common with the phenomenon of the aphids, and therefore helps guide researchers towards understanding how evolution has created them. However, human behaviour is having a detrimental impact on animal migration.I.The pronghorn resembles an antelope even though they aren't related, and is the fastest landmammal of the New World. One population follows a narrow route from its summer range inthe mountains, across a river, and down onto the plains which spends the summer in themountainous Grand Teton National Park of the western USA. They wait out the frozen months here, mainly feeding on sagebrush clear of snow. These pronghorns are notable for theseverity of its constriction and invariance of their migration route at 3 bottlenecks. They can't reach their bounty of summer grazing, if they can't pass through each of the 3 during theirspring migration. They are likely to die trying to overwinter in the deep snow if they dont pass through again in autumn, escaping south onto those windblown plains,J.Pronghorn traverse high, open shoulders of land, where they can see and run. They are dependent on speed and distance vision to be safe from attacks. Forested hills rise to form a V, at one of the bottlenecks, leaving a corridor of open ground only about 150m wide, filledwith private homes. Increasing development is creating a crisis for the pronghorn, threatening to block off their passageway.K.Biologists, along with some conservation scientists and land managers within the USA's National Park Service and other agencies, are now working to conserve migrationalbehaviours, not just species and habitats. A National Forest has identified the path of thepronghorn, much of which passes across its land, as a preserved migration path. On private land at a bottleneck neither the Forest Service nor the Park Service can control whathappens. And with some other migrating species, the challenge is further complex - by vastly greater distances traversed, more jurisdictions, more borders, more dangers along the way.We will need knowledge and determination to make sure that migrating species can continue their journey a while longer.Great Migrations IELTS reading questionsQuestion 1-4Complete the notes below.Write NO MORE THAN TWO WORDS AND/ OR A NUMBER from the passage for each answer.●Migration involves special behaviours concerning preparation such as 1. ________and arrival.●Zooplanktons move 2. ______ in the ocean●Dingle’s observation is more complicated than 3. ________.● A 4. ________ has identified the path of the pronghorn.Question 5-10This reading passage has eight paragraphs, A–K.Which paragraph contains the following information?Write the correct letter, A - K, as your answer to each question.5. The tern flies on while local gulls will dive voraciously for such handouts.6. After depleting the young leaves on a food plant, offspring of aphids fly towards a different host plant.7. Dingle is an evolutionary biologist who researches insects.8. Birds flatten themselves by feeding heavily in advance of a long migrational flight.9. Forested hills rise to form a V, at one of the bottlenecks, leaving a corridor of open ground only about 150m wide, filled with private homes.10. The pronghorn is the fastest land mammal of the New World.Question 11-14Answer the questions below.Choose NO MORE THAN THREE WORDS from the passage for each answer.11. Who identified the 5 features of animal migration?12. Which bird travels from South America to the Arctic circle every year?13. Who did the research on the American pronghorn?14. How do zooplanktons find food?。
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2. Detailed requirements :
a. write down your name on the cover
b. date your homework and try to mark on the types(organize the
notes, preview or summary)
4. the reaction [rɪ'ækʃ(ə)n]… to n. 对...的反应
5. psychologist [saɪ’kɒlədʒɪst] 心理学家
6. have to do with 与...有关 7. carry out a study 实施一次研究 8. conduct [‘kɒndʌkt] a research v. 组织一次研究 9. a series of tests [‘sɪəriːz] 一系列测试
4. the reaction [rɪ'ækʃ(ə)n]… to n. 对...的反应
5. psychologist [saɪ’kɒlədʒɪst] 心理学家
6. have to do with 与...有关
7. carry out a study 实施一次研究
13.
8. conduct [‘kɒndʌkt] a research v. 组织一次研究
What makes a city attractive?
What make the cities popular?
great food
excellent shopping
lively festivals
There is lots to do. …
I’udnusluikalebutilodinvgsisit
a. write down your name on the cover b. date your homework and try to mark on the types(organize the notes, preview or review.) c. order them d. 3+1 = English (3 times )+ Translation(1time) 3. Look up the new words in person and try to memorize them. 4. Put them into the context and preview the passage.
ignore [ɪg’
9. a series of tests [‘sɪəriːz] 一系列测试
nɔː]
v. 忽视
10.pretend [prɪ’tend] v. 假装 11. conclude [kən’kluːd] 推断 the study concludes that… 12. tend to be short of time 趋向，倾向于没时间
Amstel dam in Amsterdam
originated from a dam over a river called Amstel
Decide which are good aspects and which are bad？
Hale Waihona Puke Feedback on homework：
1. Please hand in homework on time, BEFORE 9:00 ) 2. Detailed requirements :
____
spectacular scenery
because it has _______.
Well-known cities
Burj Khalifa Tower
in Dubai
148 floors; have a great view over the whole city
Well-known cities
Feedback on homework：
1.spectacular [spek’tækjʊlə] adj. 壮观的 scenery [‘siːn(ə)rɪ] n. 风景
2. friendly inhabitants [ɪn’hæbɪt(ə)nt] n. 居民；居住者 = population
3. a high crime rate 高犯罪率
Feedback on homework：
1.spectacular [spek’tækjʊlə] adj. 壮观的 scenery [‘siːn(ə)rɪ] n. 风景 2. friendly inhabitants [ɪn’hæbɪt(ə)nt] n. 居民；居住者 = population 3. a high crime rate 高犯罪率
Well-known cities
A statue ofJesus
Rio de janeiro
38m; give a hug; love; independence divine; welcome visitors all over the world
Free talk：
Which cities have you visited during summer holiday ? How do you feel about the city?
c. order them
d. 3+1 = English (3 times )+ Translation(1time)
3. Look up the new words in person and try to memorize them.
4. Put them into the context and preview the passage.
Unit 1 Great Places to be
Designed by Shirley
Feedback on homework：
1. You’ve made a progress and nearly meet my demands.
(hand in homework on time, 9:00 )
13. ignore [ɪg’nɔː] v. 忽视
10.pretend [prɪ’tend] v. 假装 11. conclude [kən’kluːd] 推断 the study concludes that… 12. tend to be short of time 趋向，倾向于没时间