学术英语课后答案解析
学术英语(理工)详解答案-Unit-4
Unit 4
Writing a Literature
Review
1 Writing a literature Review
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Unit 4
Writing a Literature
Review
1 Writing a literature Review
1 ABdydhitoiownaml aqnuyesptaiortnicslefosroyforuarduiantdioenrsfrtaonmdinnagtuorfaTl ext 1s1ources has a typical person been struck every second?
“ 几明百显人的死”亡死，亡而仅一仅个在同2等%的的煤核电反厂应将堆最熔终毁导事致故3中0人能死够亡被。预料到， 在0.2%的熔毁事故中会超过100天，而在1/100,000的熔毁事故 中会超过3，500天。
Unit 4
Writing a Literature
Review
1 Writing a literature Review
(某种程度上取决于) the degree of exposure. In small doses, the cell has enough mechanisms to take care of (来对付) misfolded proteins and repair itself. When exposed to a large amount of radiation, the cell’s defenses are overwhelmed. Therefore an increase in cancer in the area where radiation leakage takes place (辐射泄漏发生) often arises from heavy exposure of radiation (由于长时间暴露在辐射下).
学术综合英语课后答案解析
Unit 1C1.The younger generation should continue to sustain and develop our fine traditions and long-standing culture.2.In the course of preparing one’s speech, one should be clearly aware of how one could make effective use of statistics and examples to bolster one’s point of view.3.An impromptu speech is one of the speaking skills that college students should learn and develop through practice.4.By using simile and metaphor, you can make your language more vivid and more attractive to your audience.5.The proper examples you cite might help reinforce the impression on your listeners and make your viewpoints more convincing.6.When you are speaking, you should choose common and easy words and at the same time avoid clutter in your speech.7.When you write a paper, citing the views from some experts is a good way to make your ideas more credible.8.A good method of delivering a speech will improve its quality and will help convey the speaker’s ideas clearly and interestingly.9.You should not blindly use a word that your are not sure about, and it you are not sure, look up the word in a dictionary.10.Your language should adapt to the particular occasion and audience. If your language is appropriate in all respects, your speech is successful.英译汉：发言提纲是有效发言的基础。
《学术英语(综合)》课后答案
《学术英语(综合)》书本答案以下答案对书本习题中类似于“Do you(think/agree)”“give a presentation”等的部分问题进行了省略。
Unit1EconomicsText A:Lead-in:omittedCritical reading and thinking:Task1:Body:Use the labor and skills behind the Thanksgiving weekend as examples to illustrate the concept of“the invisible hand”End:Echo the beginning,emphasizing we should be grateful to the miracle on this Thanksgiving Day and every dayTask2:1.It is not difficult at all to explain why grocery stores stock up on turkey before Thanksgiving.There seemsto be no miracle in it.2.The use of so many“and’s”helps to emphasize that a series of actions and all kinds of work are involved inthe sale of Thanksgiving turkey.3.Here“from above”means“from God”.The phrase is used to show that there is something wondrous andalmost inexplicable in the social order of freedom.Task3:Market has its own way of punishing business malpractice.For example,if a fast food chain sells contaminated food,nation-wide demand for their food will go down,along with their profit.When a company sells defective products,they have to deal with liability costs.Language building-up:Task1:1．1．饲料经销商；饲料批发商2．为他自己的收益而工作3．技能与劳动力4．制造塑料5．私人交易6．包装并定价7．无形之手2．1.pricedbor3.transactions4.gainbor;manufactured6.the invisible hand7.distributorTask2:1.Today,in millions of homes across the nation,God will be thanked for many gifts,for the feast on thetable and the company of loved ones,for health and good fortune in the year gone by,for peace privilege of having been born—or having become—American.(Line2,Para.1)2.And yet,isn't there something wondrous—something almost inexplicable—in the way your Thanksgivingweekend is made possible by the skill and labor of vast numbers of total strangers?(Line1,Para.4)3.…Thanksgiving Turkey,there would be one—or more likely,a few dozen—waiting.(Line3,Para.6) Task3:1.very many2.buying or selling3.a large group of4.more huge5.understand6.troubledText B:Critical reading and thinking:Task1:1.Considering that her boyfriend doesn’t even bother to choose a gift for her,the girl concludes that hedoesn’t love her.Therefore,she breaks off the relationship.In the case where the strength of affection is most in question,people care a lot about what is given as a gift.2.The following is one more example where the signaling theory can be applied:In the job market,anemployer may not know whether a candidate is qualified for a post or not.Very often,the candidate will show the employer education credentials,which can be used as a signal to the employer.Thus the information gap is narrowed.Task2:(以下所有表格题若未说明，顺序皆为从上到下，从左到右)Internet browser;Windows operating system;deter;entering the market and offering new products;cars today include many built-in products;monopoly;80;reliable;easier to use;severely limited;changing;competitors;low;Researching:The U.S.economy is a free market economy with some government regulation ad there has been a lasting debate about how much government regulation is necessary.Those who argue for less regulation claim that the free market itself will require business to protect consumers and provide good products or services and the interference from the government can do nothing but increase the cost of doing corporations are not concerned about the public’s interest,so regulation is indispensable.Interestingly, Adam Smith himself believed that government had an important role to play in economic life.For example, he believed that the government should enforce contracts and grant patents and copyrights.Text C:Task:每一个精明的一家之主都知道，如果买一样东西所花的钱比在家里自己生产所花的成本要小，那就永远不要尝试在家里生产。
学术综合英语课后答案1-8单元
U1Text A(1) Contrary to what they predicted,the disease broke out and killed thousands of people.与他们的预测相反，病情爆发并且夺去了数千人的生命。
(2) Without receiving her reply as scheduled he regarded it as implicit acceptance.没有如期收到她的回复，他认为她已经默认了。
(3) He repeated his assertion that he was not guilty in front of the jury in court.法庭之上，他在陪审团面前重申了他无罪的声明。
(4) Using the Internet,he was able to look up information on a terrible disease torturing his wife.他可以运用互联网查找一种折磨他妻子的可怕疾病的信息。
(5) The young man adapted well to the city life and his new environment.这个年轻人非常适应城市生活和新环境。
(6) There is not enough oxygen in the Moon’s atmosphere to sustain plant life.月球大气中没有足够的氧气来维持植物的生命。
7) What you prepare for your speech,be sure to cite unbiased qualified sources.当你在准备演讲时，一定要引用不偏不倚并且得到允许的信息源。
(8) In the course of children’s language acquisition,adults should pay attention to grammar. 在儿童学习语言的过程中，大人们应该注意语法。
(完整版)学术综合英语课后答案解析
Unit 1C1.The younger generation should continue to sustain anddevelop our fine traditions and long-standing culture.2.In the course of preparing one’s speech, one shouldbe clearly aware of how one could make effective use of statistics and examples to bolster one’s point of view.3.An impromptu speech is one of the speaking skills thatcollege students should learn and develop through practice.4.By using simile and metaphor, you can make yourlanguage more vivid and more attractive to your audience.5.The proper examples you cite might help reinforce theimpression on your listeners and make your viewpoints more convincing.6.When you are speaking, you should choose common andeasy words and at the same time avoid clutter in your speech.7.When you write a paper, citing the views from someexperts is a good way to make your ideas more credible.8.A good method of delivering a speech will improve itsquality and will help convey the speaker’s ideas clearly and interestingly.9.You should not blindly use a word that your are notsure about, and it you are not sure, look up the word in a dictionary.10.Your language should adapt to the particularoccasion and audience. If your language is appropriate in all respects, your speech is successful.英译汉：发言提纲是有效发言的基础。
学术英语[医学]课后问题答案解析
![学术英语[医学]课后问题答案解析](https://img.taocdn.com/s3/m/d15417465acfa1c7aa00cc51.png)
Unit11、Some factors that may lead to the complaint:·Neuron overload·Patients* high expectations·Mistrust and misunderstanding between the patient and the doctor2、Mrs. Osorio’s condition:·A 56-year-old woman·Somewhat overweight·Reasonably well-controlled diabetes and hypertension·Cholesterol on the high side without any medications for it·Not enough exercises she should take·Her bones a little thin on her last DEXA scan3、 Good things:·Blood tests done·Glucose a little better·Her blood pressure a little better but not so great Bad things:·Cholesterol not so great·Her weight a little up·Her bones a little thin on her last DEXA scan 44、The situation:·The author was in a moderate state of panic: juggling so many thoughts about Mrs. Osorio’s conditions and trying to resolve them all before the clock ran down.·Mrs. Osorio made a trivial request, not so important as compared to her conditions.·Mrs. Osorio seemed to care only about her “innocent — and completely justified —request”： the form signed by her doctor.·The doctor tried to or at least pretended to pay attention to the patient while completing documentation.5、Similarities:·In computer multitasking, a microprocessor actually performs only one task at a time. Like microprocessors, we human beings carft actually concentrate on two thoughts at the same exact time. Multitasking is just an illusion both in computers and human beings.Differences:·The concept of multitasking originated in computer science.·At best, human beings can juggle only a handful of thoughts in a multitasking manner, but computers can do much better.·The more thoughts human beings juggle, the less human beings are able to attune fully to any given thought, but computers can do much better.6、·7 medical issues to consider·5 separate thoughts, at least, for each issue·7 x 5 = 35 thoughts·10 patients that afternoon·35 x 10 = 350 thoughts·5 residents under the authors supervision·4 patients seen by each resident·10 thoughts, at least, generated from each patient·5 x 4 x 10 = anther 200 thoughts·350 + 200 = 550 thoughts to be handled in total·If the doctor does a good job juggling 98% of the time, that still leaves about 10 thoughts that might get lost in the process.7、Possible solutions:·Computer-generated reminders·Case managers·Ancillary services·The simplest solution: timeUnit21、The author implies:•Peoples inadequate consciousness about the consequence of neglecting the re- emerging infectious diseases·Unjustifiability of peoples complacency about the prevention and control of the infectious diseases·Unfinished war against infectious diseases2、Victory declarations:·Surgeon General William Stewart's hyperbolic statement of closing “the book on infectious disease”.·A string of impressive victories incurred by antibiotics and vaccines ·The thought that the war against infectious diseases was almost overWhat followed ever since:·Appearance of new diseases such as AIDS and Ebola·Comeback of the old afflictions:» Diphtheria in the former Soviet Union» TB in urban centers like New York City» Rising Group A streptococcal conditions like scarlet fever·The fear of a powerful new flu strain sweeping the world3、Elaborate on the joined battle:·WHO established a new division devoted to worldwide surveillance and control of emerging disease in October 1995.·CDC launched a prevention strategy in 1994.·Congress raised fund from $6.7 million in 1995 to $26 million in 1997.4、The borders are meaningless to pathogenic microbes, which can travel from one country to another remote country in a very short time.5、TB:·Prisons and homeless shelters as ideal places for TB spread ·Emerging of drug-resistant strain or even multi-drug-resistant strain ·A ride on the HIV w^on by attacking the immunocompromisedGroup A strep:·A change in virulence·Mutation in the exterior of the bacteriumFlu:Constant changes in its coat (surface antigens) and resultant changes in its level of virulence6、Examples:·Experiment in England is seeing the waning immunity because of no vaccination.·D ue to poor vaccination efforts, the diphtheria situation in the former Soviet Union is serious. '• The vaccination rates are dropping in some American cities, and it will lead to more diphtheria and whooping cough.7、The four areas of focus:·The need for surveillance·Updated science capable of dealing with discoveries in the field ·Appropriate prevention and control·Strong public health infrastructure8、The infectious diseases such as TB, flu, diphtheria and scarlet fever will never really go away, and the war against them will never end.Unit31、Terry's life before·She loved practicing Tae Kwon Do·She loved the surge of adrenaline that came with the controlled combat of tournaments.·She competed nationally, even won bronze medal in the trials for the Pan American Games.·She attended medical school, practiced as an internal medicine resident, and became an academic general internist.·She got married and got a son and a daughter.2、The symptoms of MS and autoimmune disease:·Loss of stamina and strength·Problems with balance·Bouts of horrific facial pain·Dips in visual acuity3、Terry did the following before she self-experimented:·She started injections.·She adopted many pharmacotherapies.·She began her own study of literature:» She read articles on websites such as PubMed.» She searched for articles testing new MS drugs in animal models.» She turned to articles concerning neurodegeneration of all types —dementia， Parkinson's disease, Huntington's disease, and Lou Gehrig's disease.»She relearned basic sciences such as cellular physiology, biochemistry, and neurophysiology.4、Approaches Terry mainly used:·Self-experimentation with various nutrients to slow neurodegeneration based on literature reports on animal models·Self-experimentation with neuromuscular electrical stimulation which is not an approved treatment for MS·Online search to identify the sources of micronutrients and having a new diet·Reduction of food allergies and toxic load5、Cases mentioned in the text:·Increased mercury stores in the brains of people with dental fillings ·High levels of the herbicide atrazine in private wells in Iowa·The strong association between pesticide exposure and neurodegeneration·The association of single nucleotide polymorphisms involving metabolism of sulfur and/or B vitamins·Inefficient clearing of toxins6、With 70% to 90% of the risk for diabetes, heart disease, cancer, andautoimmunity being due to environmental factors other than the genes, we can take many health problems and the health care crisis under our control, for example, optimizing our nutrition and reducing our toxic load.Unit41、Two concepts:·Complementary medicine refers to the use of conventional therapies together with alternative treatments such as using acupuncture in addition to usual care to help lessen pain. Complementary and alternative medicine is shortened as CAM.·Alternative medicine refers to healing treatments that are not part of conventional therapies —like acupuncture, massage therapy, or herbal medicine. They are called so because people used to consider practices like these outside the mainstream.2·TCM does not require advanced, complicated, and in most cases, expensive facilities.·TCM employs needles, cups, coins, to mention but a few.·Most procedures and operations of TCM are noninvasive.·The substances used as medicine are raw herbs or abstracts from them, and they are indeed all natural, from nature.·TCM has been practiced as long as the Chinese history, so the efficiency iproven and ensured.s·Ongoing research around the world on acupuncture, herbs, massage and Tai Chi have shed light on some of the theories and practices of TCM3、It may be used as an adjunct treatment, an alternative, or part of a comprehensive management program for a number of conditions: post-operative and chemotherapy induced nausea and vomiting, post-operative dental pain, addiction, stroke rehabilitation, headache, menstrual cramps, tennis elbow, fibromyalgia, myofascial pain, osteoarthritis, low back pain, carpal tunnel syndrome, and asthma.4、A well-justified NO:·More intense research to uncover additional areas for the use of acupuncture ·Higher adoption of acupuncture as a common therapeutic modality not only in treatment but also in prevention of disease and promotion of wellness ·Exploration and perfection of innovative methods of acupuncture point stimulation with technological advancement·Improved understanding of neuroscience and other aspects of human physiology and function by basic research on acupuncture·Greater interest by stakeholders·An increasing number of physician acupuncturists5、·Appropriate uses of herbs depend on proper guidance:» Proper TCM diagnosis of the zheng of the patient»Correct selection of the corresponding therapeutic strategies and principles that guide the choice of herbs and herbal formulas ·Digression from either of the above guidence will lead to misuses of herbs, and will result in complications in patient6、·Randomized controlled trialsAdvantages:» Elimination of the potential bias in the allocation of participants to the intervention group or control group» Tendency to produce comparable groups» Guaranteed validity of statistical tests of significanceLimitations:»Difficulty in generalizing the results obtained from the selected sampling to the population as a whole» A poor choice for research where temporal factors are anissue» Extremely heavy resources, requiring very large samplegroups• Quasi-experimentsAdvantages:» Control group comparisons possible» Reduced threats to external validity as natural environments donot suffer the same problems of artificiality as compared to awell-controlled laboratory setting.»Generalizations of the findings to be made about population sincequasiexperiments are natural experimentsLimitations：»Potential for non-equivalent groups as quasi-experimental designsdo not use random sampling in constructing experimental and controlgroups.» Potential for low internal validity as a result of not using random sampling methods to construct the experimental and control groups• Cohort studiesAdvantages:» Clear indication of the temporal sequence between exposure and outcome» Particular use for evaluating the effects of rare or unusual exposure» Ability to examine multiple outcomes of a single risk factorLimitations:» Larger, longer, and more expensive» Prone to certain types of bias» Not practical for rare outcomes• Case-control studiesAdvantages:» The only feasible method in the case of rare diseases and those with long periods between exposure and outcome» Time and cost effective with relatively fewer subjects as compared to other observational methodsLimitations：»Unable to provide the same level of evidence as randomized controlled trials as it is observational in nature» Difficult to establish the timeline of exposure to disease outcome •“N=1” trialsAdvantages» Easy to manage» InexpensiveLimitations：»Findings difficult to be generalized to the wholepopulation» Weakest evidence due to the number of the subject7、• Synthesis of evidence is completely dependent on:» The completeness of the literature search (unavailable for foreign studies)» The accuracy of evaluation·There are situations in which no answer can be found for the questions of interest in RCTs and database analyses.·There's the requirement of using less stringent information rather than “hard data”8、·Assessment of the intrinsic value of traditional medicine in society ·Research and education·Political, economic, and social factorsUnit51、·Dis-ease refers to the imbalance arising from：» Continuous stress» Pain» Hardships·Disease is a health crisis ascribable to various dis-eases.·Prompting elimination of dis-eases can alleviate some diseases.2、·Wellness is a state involving every aspect of our being: body, mind and spirit.·Manifestations of a healthy person:» Energy and vitality» A certain zip in gait» A warm feeling of peace of heart seen through behavior3、·Constant messages, positive and negative，are sent to our mind about the health of our body.·Physical symptoms are suppressed by people who go through life on automatic pilot.·Being well equals to being disease- or illness-free in the minds of them. ·They confused wellness with an absence of symptoms.4、·People's minds are infected by spin:» Half-truth» Fearful fictions» Blatant deceit: some as a form of self-deceit·Spin is a result of unconscious living.·The kind of falseness is pandemic.5·Our body intelligence is suppressed or dormant from a lack of use. ·There are tremendous amount of stress on a daily basis.·Our bodies are easily ignored for years because of a lack of recreation time.·Limiting, self-defeating and even self-destructive behaviors undermine our wellbeing and keep them from achieving our full potential.6·We grow more reluctant to take risks.·We lose the ability to feel and acknowledge our deepest feelings and the courage to speak our truth.·We continue to deny and repress our feelings to protect ourselves. ·Fear, denial and disconnection from our bodies and feelings become an unconscious, self-protective habit, a kind of default response to life. 7·A multi-faceted process:»Looking for roots of and resolutions for the issues in different dimensions» Building our wellness toolbox slowly» Picturing our whole state of being·Attention to the little stuff:» Examining our lives honestly and setting clear intentions to change » Striving to maintain a balance of our mind, body and spirit» Taking small steps in the way to perceive and resolve conflict8·Try to awaken and evolve in order to live more consciously.·Get in touch with our genuine feelings and emotions.·Come to terms with the toxic emotionsUnit61、In the past, most people died at home. But now, more and more people arecared in hospitals and nursing homes at their end of life, which of course brings a new set of questions to consider.2、·Sixty-four years old with a history of congestive heart failure·Deciding to do everything medically possible to extend his life·Availability of around-the-clock medical services and a full range of treatment choices, tests, and other medical care·Relaxed visiting hours, and personal items from home3、Availability of around-the-clock medical resources, including doctors,nurses, and facility.4、·Taking on a job which is big physically, emotionally, and financially ·Hiring a home nurse for additional help·Arranging for services (such as visiting nurses) and special equipment (likea hospital bed or bedside commode)5、·Health insurance·Planning by a professional, such as a hospital discharge plaimer or a social worker·Help from local governmental agencies·Doctor's supervision at home6、·Traditionally, it is only about symptom care.·Recently, it is a comprehensive approach to improving the quality of life for people who are living with potentially fatal diseases.7、·Stopping treatment specifically aimed at curing an illness equals discontinuing all treatment.·Choosing a hospice is a permanent decision.Unit71、·A dying patient·Decision whether to withdraw life-support machines and medication and start comfort measures·The family's refusal to make any decision or withdraw any treatments 2、·The doctor as exclusive decision-maker·The patient as participant with little say in the final choice3、·Respect for the patient, especially the patient s autonomy·Patient-centered care·The patient as decision-maker based on the information provided by the doctor4、·Patients are forced to make decisions they never want to.·Patients, at least a large majority of them, prefer their doctors to make final decisions.·Shifting responsibility of decision-making to patients will bring about more stress to patients and their families, especially when the best option for the patient is uncertain.5、Doctors are very much cautious about committing some kind of ethicaltransgression.6、·Shouldering responsibility together with the patient may be better than having the patient make decisions on their own.·Balancing between paternalism and respect for patients autonomy constitutesa large part of medical practice.Unit81、·Research:An activity to test hypothesis, to permit conclusions to be drawn, and thereby to develop or contribute to generalizable knowledge·Practice:Interventions solely to enhance the well-being of an individual patient or client and that have a reasonable expectation of success·Blurred distinction:» Cooccurrence of research and practice like in research designed to evaluate a therapy»Notable departures from standard practice being called “experimental” with the terms “experimenta l”and “research”carelessly defined2、·Autonomy：Individuals treated as autonomous agents .·Protection:Persons with diminished autonomy entitled to protection·A case in point:Prisoners involved in research3·“Do no harm” as the primary principle·Maximization of possible benefits and minimization of possible harms . ·Balance between benefits and potential risks involved in every step of seeding the benefits4、·“Do no harm” as a fundamental principle of medical ethics·Extension of it to the realm of research by Claude Bernard·Benefits and risks as a set “duet” in both medical practice and research 5、·Unreasonable denial of entitled benefit and unduly imposed burden：Enrolment of patients in new drug trial: Who should be enrolled and who should not?·Equal treatment of equals:Determining factors of equality: age, sex, severity of the condition, financial status, social status6、·Definition:The opportunity to choose what shall or shall not happen to them ·Application:» A process rather than signing a written form» Adequate information as the premise» A well-informed decision as the expected result7、·Requirements for consent as entailed by the principle of respect for persons ·Risk/benefit assessment as entailed by the principle of beneficence ·More requirements of fairness as entailed by the principle of justice: » At the individual level: fairness» At the social level: distinction between classes。
学术英语课后答案 unit1说课讲解
学术英语课后答案u n i t1学术英语理工教师手册Unit 1 Choosing a TopicI Teaching ObjectivesIn this unit , you will learn how to:1.choose a particular topic for your research2.formulate a research question3.write a working title for your research essay4.enhance your language skills related with reading and listening materials presented in this unitII. Teaching Procedures1.Deciding on a topicTask 1Answers may vary.Task 21 No, because they all seem like a subject rather than a topic, a subject which cannot be addressed even by a whole book, let alone by a1500-wordessay.2Each of them can be broken down into various and more specific aspects. For example, cancer can be classified into breast cancer, lung cancer, liver cancer and so on. Breast cancer can have such specific topics for research as causes for breast cancer, effects of breast cancer and prevention or diagnosis of breast cancer.3 Actually the topics of each field are endless. Take breast cancer for example, we can have the topics like:Why Women Suffer from Breast Cancer More Than Men?A New Way to Find Breast TumorsSome Risks of Getting Breast Cancer in Daily LifeBreast Cancer and Its Direct Biological ImpactBreast Cancer—the Symptoms & DiagnosisBreastfeeding and Breast CancerTask 31 Text 1 illustrates how hackers or unauthorized users use one way or another to get inside a computer, while Text2 describes the various electronic threats a computer may face.2 Both focus on the vulnerability of a computer.3 Text 1 analyzes the ways of computer hackers, while Text 2 describes security problems of a computer.4 Text 1: The way hackers “get inside” a computerText 2: Electronic threats a computer facesYes, I think they are interesting, important, manageable and adequate.Task 41Lecture1:Ten Commandments of Computer EthicsLecture 2:How to Deal with Computer HackersLecture 3:How I Begin to Develop Computer Applications2Answersmay vary.Task 5Answers may vary.2 Formulating a research questionTask 1Text 3Research question 1: How many types of cloud services are there and what are they? Research question 2: What is green computing?Research question 3: What are advantages of the cloud computing?Text 4Research question 1: What is the Web 3.0?Research question 2: What are advantages and disadvantages of the cloud computing? Research question 3: What security benefits can the cloud computing provide?Task 22 Topic2: Threats of Artificial IntelligenceResearch questions:1) What are the threats of artificial intelligence?2) How can human beings control those threats?3) What are the difficulties to control those threats?3 Topic3: The Potentials of NanotechnologyResearch questions:1) What are its potentials in medicine?2) What are its potentials in space exploration?3) What are its potentials in communications?4 Topic4: Global Warming and Its EffectsResearch questions:1) How does it affect the pattern of climates?2) How does it affect economic activities?3) How does it affect human behavior?Task 3Answers may vary.3 Writing a working titleTask 1Answers may vary.Task 21 Lecture 4 is about the security problems of cloud computing, while Lecture 5 is about the definition and nature of cloud computing, hence it is more elementary than Lecture 4.2 The four all focus on cloud computing. Although Lecture 4 and Text 4 address the same topic, the former is less optimistic while the latter has more confidence in the security of cloud computing. Text3 illustrates the various advantages of cloud computing.3 Lecture 4: Cloud Computing SecurityLecture 5: What Is Cloud Computing?Task 3Answers may vary.4 Enhancing your academic languageReading: Text 11.Match the words with their definitions.1g 2a 3e 4b 5c 6d 7j 8f 9h 10i2. Complete the following expressions or sentences by using the target words listed below with the help of the Chinese in brackets. Change the form if necessary.1 symbolic 2distributed 3site 4complex 5identify6fairly 7straightforward 8capability 9target 10attempt11process 12parameter 13interpretation 14technical15range 16exploit 17networking 18involve19 instance 20specification 21accompany 22predictable 23profile3. Read the sentences in the box. Pay attention to the parts in bold.Now complete the paragraph by translating the Chinese in brackets. You may refer to the expressions and the sentence patterns listed above.ranging from（从……到）arise from some misunderstandings（来自于对……误解）leaves a lot of problems unsolved（留下很多问题没有得到解决）opens a path for（打开了通道）requires a different frame of mind（需要有新的思想）4.Translate the following sentences from Text 1 into Chinese.1) 有些人声称黑客是那些超越知识疆界而不造成危害的好人（或即使造成危害，但并非故意而为），而“骇客”才是真正的坏人。
《学术英语(理工类)》课后题答案
Reading: Text 11.Match the words with their definitions.1g 2a 3e 4b 5c 6d 7j 8f 9h 10i2. Complete the following expressions or sentences by using the target words listed below with the help of the Chinese in brackets. Change the form if necessary.1 symbolic 2distributed 3site 4complex 5identify6fairly 7straightforward 8capability 9target 10attempt11process 12parameter 13interpretation 14technical15range 16exploit 17networking 18involve19 instance 20specification 21accompany 22predictable 23profile3. Read the sentences in the box. Pay attention to the parts in bold.Now complete the paragraph by translating the Chinese in brackets. You may refer to the expressions and the sentence patterns listed above.ranging from（从……到）arise from some misunderstandings（来自于对……误解）leaves a lot of problems unsolved（留下很多问题没有得到解决）opens a path for（打开了通道）requires a different frame of mind（需要有新的思想）4.Translate the following sentences from Text 1 into Chinese.1) 有些人声称黑客是那些超越知识疆界而不造成危害的好人（或即使造成危害，但并非故意而为），而“骇客”才是真正的坏人。
《学术英语》(理科)课后答案(完整版)
ContentsUnit 1 – Astronomy (2)Part I: Pre-listening (2)Part II: While Listening (2)Text A: Fun Facts about Astronomy (2)Text B: Shenzhou-10 Mission (3)Part III: After Listening (3)Part IV: Homework (3)Unit 2 – Biology (4)Part I: Pre-listening (4)Part II: While Listening (4)Text A: Secret of Life (4)Text B: Animal Intelligence (5)Part III: After Listening (5)Part IV: Homework (5)Unit 3 – Psychology (6)Part I: Pre-listening (6)Part II: While Listening (6)Text A: Discovering Psychology (6)Text B: Liespotting (7)Part III: After Listening (7)Part IV: Homework (7)Unit 4 – Geography (8)Part I: Pre-listening (8)Part II: While Listening (8)Text A: What Is Geography? (8)Text B: Mount Kailash – Axis of the World (9)Part III: After Listening (9)Part IV: Homework (9)Unit 5 – Economy (sic) (10)Part I: Pre-listening (10)Part II: While Listening (10)Text A: The Blue Economy (10)Text B: A Monkey Economy as Irrational asOurs (11)Part III: After Listening (11)Part IV: Homework (11)Unit 6 – Physics (12)Part I: Pre-listening (12)Part II: While Listening (12)Text A: What Is Physics? (12)Text B: Science of Figure Skating (13)Part III: After Listening (13)Part IV: Homework (13)Unit 7 – Computer Science (14)Part I: Pre-listening (14)Part II: While Listening (14)Text A: Computer Software (14)Text B: Computer Science Advice forStudents (15)Part III: After Listening (15)Part IV: Homework (15)Unit 8 – Chemistry (16)Part I: Pre-listening (16)Part II: While Listening (16)Text A: The History of DiscoveringElements (16)Text B: The Periodic Table of Elements (17)Part III: After Listening (17)Part IV: Homework (17)Unit 1 – AstronomyPart I: Pre-listeningC: Listening Exercise1. D – Mars.2. C – For finding their way across hugeareas of ocean.3. C – Almost every ancient culture knewof these five mysteries.4. A – Saturn, Jupiter, Venus, Mercury andMars.5. C – The study of stars.Part II: While ListeningText A: Fun Facts about Astronomy Exercise 1 – Global Understanding1.Two branches: (1) observationalastronomy and (2) theoreticalastronomy.2.Aspects: fun facts about (3) the sun(4) the moon(5) the stars(6) the planetsExercise 2 – Listening and Note-takingThe better notes are _A_, because:1.Good notes should consist of keywordsor very short sentences, not every word.e abbreviations and symbols thatmake sense to you can help you writedown notes quickly.3.Leave space between topics or ideas soyou can scan the page more easily later. Exercise 3 – In-depth Listening1.Mercury is the (1) second smallestplanet in the solar system and has (2)no moon. It can get as hot as (3) 800 °Cand cold as (4) 300 °C below zero. Oneyear on Mercury is equal to (5) 88 dayson Earth.2.Venus is the only planet that rotatesfrom (6) east to west. A year on thisplanet is equal to (7) 225 days on Earth.3.Earth is nearly (8) 93 million miles awayfrom the sun. It takes about (9) 16million horsepower to break the Earth’sgravitational pull.4.According to scientists, in around (10) 5billion years, a day on Earth will be (11)48 hours long and somewhere duringthat time the sun will explode.5.The planet Neptune was discoveredmore than (12) 150 years ago in 1846,and since then it still has to complete anorbit around the sun, as one Neptuneyear equals to (13) 165 Earth years.6.Pluto’s size is very small which madescientists demote it to a (14) dwarfplanet status.Text B: Shenzhou-10 MissionExercise 1 – Global Understanding1.June 24th.2.China hasn’t set up a permanent spacestation.Exercise 2 – Listening for Details1.False2.True3.Not GivenExercise 3 – Compound Dictation1.blasted off2.docked3.conduct experiments4.June 20th5.gave a lecture6. a manual docking procedure7.spoke8.two-way video link9.flew around10.the modulePart III: After ListeningPart IV: HomeworkA – Listening Task1.supremacy2.gesture3.vowed4.hostile5.decade6.mission7.spotted8.It was five kilometers from base andthey were running dangerously short oftime9.The orange soil looked like evidence ofrecent volcanic activity 10.In just half an hour, Schmitt and Cernangathered all the orange soil they couldlay hands onUnit 2 – BiologyPart I: Pre-listeningA: Talk about the Topic1.Hummingbird (c); Marmoset (a); Ostrich(d); Sloth (b); Venus flytrap (g); Cheetah(f); Bamboo (h); Rafflesia (e)2.as sly as a fox; as timid as a hare; ascheerful as a lark; as silly as a goose; asgreedy as a wolf; as proud as a peacock;as strong as a horse; as brave as a lion;as gentle as a lamb; as stubborn as amule; as busy as a bee; as blind as a bat C: Listening Exercise1. D – Hostess and guest.2. B – Genetically modified organism.3. A – Corns with a 4-digit PLU code.4. C – Because there is no proof that GMfoods are safe.5. C – From PLU code on the produce. Part II: While ListeningText A: Secret of LifeExercise 1 – Global Understanding1.nucleus2.mush3.membranes4.protein5.energy6.chromosomesExercise 2 – Listening and Note-taking1.frogspawn2.divide and divide3.replicating4.specialize5.body parts6.true of us7. a single cell8.two fundamental rules of life9.made of cells10.other cells11.what life wasExercise 3 – In-depth Listening1.17th2.Robert Hooke3.microscope4.snowflakes5.natural fibers6.mid-19th7.resurfaced8.well-engineered9.exposeText B: Animal IntelligenceExercise 1 – Global Understanding1. B – To prove that dolphins are thinkingspecies.2. C – Self-awareness.Exercise 2 – Listening for Details1.True2.Not Given3.False4.True5.FalseExercise 3 – Compound Dictation1.reacting2.another dolphin3.back and forward4.testing to see5.the same things6.neck stretches7.marked part8. a mirror9. a toolPart III: After ListeningPart IV: HomeworkA – Listening Task1.filtered sunlight2.fade3.sensitive4.evaporate5.pebbles6.moist7.snippers8.start up9.indestructible10.raise alarm11.a shadier location 12.polluted water13.reddish14.decaying or mushy15.indoor environmentsUnit 3 – PsychologyPart I: Pre-listeningA: Talk about the Topic2.1-d, 2-a, 3-f, 4-g, 5-c, 6-e, 7-h, 8-b C: Listening Exercise1. B – He has just moved to a new place.2. A – He should take Fido to the vet.3. D – He will put his dog on medication.4. A – Dog emotions are quite similar tothe emotions of humans.5. C – Harry is an expert on brain scienceof humans and dogs.Part II: While ListeningText A: Discovering Psychology Exercise 1 – Global Understanding1.behavior of individuals2.mental processes3.dispositional factors4.situational factors5.experimental psychology laboratory6.Principles of PsychologyExercise 2 – Listening and Note-taking1.sci entific study2.res earch3.pred ict & (ctrl) control behav ior4.gene tic5.att itudes, ment al6.sens ory stimul ation7.rew ards, act ionsExercise 3 – In-depth Listening1.18792.Germany3.first experimental psychologylaboratory4.18836.first American psychological laboratory7.18909.psychological text10.Principles of PsychologyText B: LiespottingExercise 1 – Global Understanding1. D – He peppered his account with alittle too much detail.2. B – A fake smile will betray a liar. Exercise 2 – Listening for Details1.Not Given2.False3.False4.True5.FalseExercise 3 – Compound Dictation1.lower2.pause3.pepper4.detail5.chronological6.backwards7.words8.gesturesPart III: After ListeningPart IV: HomeworkA – Listening Task1.signs of the condition2.low levels of light3.severe form4.thoughts of death or suicide5.designed6.sleep7.active8.sugary water9.more depressed10.least11.blue and white light12.dim red 13.signals14.natural sleep-wake cycle15.recommendation16.exposure17.bluish18.reddishUnit 4 – GeographyPart I: Pre-listeningA: Talk about the Topic1.a. 4.5 to 4.6 billion yearsb.149,597,870 kmc.384,403.1 kmd.Mt. Everest, Asia: 8844.43 me.Dead Sea: -422 mf.Mariana Trench, Western PacificOcean: 11,034 mg.56.7°C (Greenland Ranch in DeathValley, California, July 10, 1913)h.-89.2°C (Vostok, Antarctica, July 21,1983)2.1-a; 2-c; 3-f; 4-b; 5-e; 6-d; 7-gC: Listening Exercise1. D – New Zealand.2. C – The south of the country can bewarm in summer.3. C – A map showing geographicalfeatures.4. B – The coverage of oceans.5. C – She wants to know more aboutgeography.Part II: While ListeningText A: What Is Geography?Exercise 1 – Global Understanding1.Cultural geography focusing on peopleand cultures.2.Physical geography focusing on planetEarth. Exercise 2 – Listening and Note-takingFive these of geographyA. LocationB. PlaceC. Human-environment Interaction1. Humans depend on the environment2. Humans modify the environment3. Humans adapt to the environmentD. MovementE. Region1. Formal regions2. Functional regions3. Vernacular regionsExercise 3 – In-depth Listening1.earth2.to write3.climates4.plant and animal distributionputerized mapping6.data analysisText B: Mount Kailash – Axis of the World Exercise 1 – Global Understanding1. A – Because it matches the legend ofthe axis of the world.2. D – Because it is the most importantpilgrimage site in Tibet.Exercise 2 – Listening for Details1.False2.True3.Not Given4.False5.FalseExercise 3 – Compound Dictation1.pilgrimage site2.Buddha’s e nlightenment3.newly dressed altar4.prayer flags5.end up straight6.wind horsesPart III: After ListeningPart IV: HomeworkA – Listening Task1.233 countries2. a bit ambiguous3.semi-presidential republic4.6,592,800 square miles5.northern part of Asia6.11 different time zones7.climate conditions8.energy and minerals9.greatest forest reserves10.unfrozen freshwater11.ninth most populous12.lungs of Europe13.by volume 14.780 species of birds15.third largest economy16.fastest aging country17.Three Gorges Dam18.at a country’s disposalUnit 5 – Economy (sic)Part I: Pre-listeningA: Talk about the Topicpete with one another; positive; aninvisible hand2. a long time; stall along the wayC: Listening Exercise1. B – He is interested in making modelboats.2. C – She is considerate and thoughtful.3. A – It will help children learn the valueof money.4. D – He will give Jacky a regularallowance soon.5. D – Saving money for larger costs willhelp children learn how to budget. Part II: While ListeningText A: The Blue EconomyExercise 1 – Global Understanding1.expensive2.not smart3.creative4.healthy and happy5.what we did not know we have Exercise 2 – Listening and Note-taking1.healthy and naturalanic3.solar energy4.biodegradable5.palm oil6.destroy the rain forest7.subsidies8.tax moneypete with food10.damaging the climate11.expensive12.not smartExercise 3 – In-depth Listening1.Not Given2.True3.False4.TrueText B: A Monkey Economy as Irrational as OursExercise 1 – Global Understanding1. D – When they are facing a loss.2. A – People are irrational because theywant to make more money.Exercise 2 – Listening for Details1.10002.10003.04.5005.Play it safe6.20007.10008.09.50010.Take a riskExercise 3 – Compound Dictation1.different directions2.good or not3.switch4.loss mindset5.risky6.worrying7.losing stocks longer8.sell their housePart III: After ListeningPart IV: HomeworkA – Listening Task1.economic prosperity2.support strengthening3.premier forum4.lowering tariffs5.non-discriminatory6.greater participation7.integrated economic community8.critical energy sector9.interconnectivity10.renewablepletion of negotiations12.far-reaching trade agreement13.rules-based and high-standard14.mere short term15.multilaterial and bilateral partnershipsUnit 6 – PhysicsPart I: Pre-listeningA: Talk about the Topic1.1-f; 2-b; 3-e; 4-d; 5-g; 6-a; 7-h; 8-c C: Listening Exercise1. B – They are doing a physicalexperiment.2. C – Six.3. D – Judy helped to pinch the balloontight.4. B – Mike is very smart.5. A – They pumped some gas into theballoon.Part II: While ListeningText A: What Is Physics?Exercise 1 – Global UnderstandingTwo categories of physics:(1) Classical physics(2) Modern physicsMain purposes of learning physics:(1) To understand the world around people(2) To explain the universe at large Exercise 2 – Listening and Note-taking1.Definition2.motion of matter3.space and time4.energy5.force6.effects7.philosophy8.world9.classical10.modern11.Applications12.electromagnetism13.mechanics14.quantum physics Exercise 3 – In-depth Listening1.matter moves2.object attraction3.heat and energy4.mass-energy5.space-time6.electric chargesText B: Science of Figure Skating Exercise 1 – Global Understanding1. C – The science of figure skating.2. D – All of the above.Exercise 2 – Listening for Details1.False2.False3.True4.Not Given5.FalseExercise 3 – Compound Dictation1.action and reaction2.vertical velocity3.velocity4.higher5.spin6.extended7.slowly8.closer9.faster10.following11.Conservation of Angular Momentum Part III: After ListeningPart IV: HomeworkA – Listening Task1.powered by sun light2.20153.63 meters across4.200 square meters5.cells6.140 kilometers7.8,500 meters8.stops9.20 to 2510.autopilot 11.goal12.appliancesUnit 7 – Computer SciencePart I: Pre-listeningA: Talk about the Topic1.1-Wechat; 2-MSN; 3-Tencent QQ; 4-Sina Microblog; 5-Renren Network; 6-Instagram2.MSN, Tencent QQ, Renren Network,Sina MNicroblog, Instagram, Wechat C: Listening Exercise1. D – A research on the applications ofcomputers and Internet.2. C – Playing computer games.3. B – Computers can help edit jobapplication documents.4. C – Online shopping has become anessential part of our life.5. A – People may be cheated by someoneonline.Part II: While ListeningText A: Computer SoftwareExercise 1 – Global Understanding1. D – Software programs and theoperating system.2. B – A set of instructions that tells thecomputer what to do.Exercise 2 – Listening and Note-taking1.most of us don’t speak the ir language2.is like a translator3.the computer what to do4.personalized5.Mac6.Linux7.Operating system8.Software programs9. a computer store10.download from the InternetExercise 3 – In-depth Listening1.True2.FalseAn operating system can cover thebasics from saving files to fixingproblems.3.FalseYou can get computer software from acomputer store or download them fromthe Internet without the help ofcomputer engineers4.FalseSoftware programs can makecomputers personalized5.TrueText B: Computer Science Advice for StudentsExercise 1 – Global Understanding1. C – Advice for students on computerscience.2. A – Computer science is highlyinteractive.Exercise 2 – Listening for Details1.False2.True3.True4.Not GivenExercise 3 – Compound Dictation1.fallacies/misconceptions2.programming3.people4.business analysts5.discuss6.solve7.logical thinking8.capture things9.articulate10.connectingPart III: After ListeningPart IV: HomeworkA – Listening Task1.index of the web2.software programs3.webpages4.follow all the links5.chunk of the web6.hit return7.possible8.contain your keywords9.directly adjacent 10.spamming11.outside links point to itmitment13.impartial search results14.a snippet of the text15.related searches16.advertising business17.strive to18.cheetah’s top running speedUnit 8 – ChemistryPart I: Pre-listeningA: Talk about the Topic1.A, C, and E are chemical reactionsC: Listening Exercise1. A – In 1828.2. D – He created them from twoinorganic substances.3. C – People isolated it from living things.4. C – It proved that organic substancescan be created from inorganicsubstances.5. D – Atoms.Part II: While ListeningText A: The History of Discovering ElementsExercise 1 – Global Understanding1.diversity of natureplexity of man3.92 elements4.the most important codes5.making of the modern world Exercise 2 – Listening and Note-taking1.what an element is2.lead, copper, gold, silver, iron, mercury,tin3.metals4.earth, air, fire, and water5.16th6.metals into goldExercise 3 – In-depth Listening1.attempted2.electricity3.natural4.ultimately5.insight6.physics7.mysteries8.detective9.centuries10.struggled11.fascination12.destructionText B: The Periodic Table of Elements Exercise 1 – Global Understanding1. B – How the periodic table of elementswas discovered and its significance.2. B – It changes the way that everyonewould learn and understand theelements.Exercise 2 – Listening for Details1.True2.False3.Not Given4.True5.FalseExercise 3 – Compound Dictation1.18692.explain3.properties4.similarities5.patterns6.vertical7.resembled8.existence and properties9.rightPart III: After ListeningPart IV: HomeworkA – Listening Task1.green leaves2.grows underground3.for their taste4.traditionally for health reasons5.seeking to lose weight6.desire to eat7.reduce hunger8.Over six weeks9.each group 10.three-tenths of a gram11.normally eat12.especially true13.may be lost14.extend the effectiveness15.a tropical plant16.its medical possibilities17.earlier evidence18.brains of patients19.sixty to ninety-three years old20.rarely or never。
学术英语理工讲义课后习题解答ppt课件
5
Unit 1 Choosing a Topic
1 Deciding on a topic
City Development Sustainable Development of Cities Sustainable Development of Big Cities Sustainable Development of Chinese Big Cities Sustainable Development of Chinese Big Cities from the Biological Perspective
appropriate topics of each
subject?
7
Unit 1 Choosing a Topic
1 Deciding on a topic
Topics Energy
Your narrower subtopics
Questions
– Is the topic appropriate for a 1500-word essay? Why or why not?
limiting the flow of data to and from the
Internet to only the few select ports you
actually need;
– Make sure your anti-virus software is up-to-
date and check frequently to see if there are
Text 1 illustrates how hackers or unauthorized users use one way or another to get inside a computer, while Text 2 describes the various electronic threats a computer might face.
学术英语(社科)-Unit1含答案分析解析
Example 1: the price of an apple How people respond to incentives?
When the price rises: It provides an incentive for buyers to consume less; It provides an incentive for sellers to produce more.
Conclusion: As long as the standby passenger pays more than the marginal cost, selling the ticket is profitable.
Unit 1
Decision-Making
Text A
Behaviors in Economic
Encourage people to □ drive small, more fuel-efficient cars; □ carpool □ take public transportation; □ live closer to where they work; □ drive hybrid cars; □ drive electric cars.
学术英语 社科
Academic English for Social Sciences
Unit 1
Decision-Making Behaviors in Economic Activities
Unit Contents
• Lead-in • Text A • Text B • Listening • Speaking • Writing
Cost of each seat: $500 (That’s to say, never sell a ticket for less than $500.)
学术英语(理工)详解答案_Unit 4
1 辐射自然存在于我们的环境当中,一般人每秒钟都遭受着来 自自然资源中15，000个粒子的辐射，而一次普通的医疗 X光检查则带有1，000亿个粒子的辐射。 2 这些材料主要通过发电厂常规运行时的少量释放物，核电 站事故和放射性材料运输事故、以及放射性废料从隔离系 统中泄漏而与人体发生接触的。 3 在利用现有技术预防遗传性疾病方面还有很多事可以做； 如果利用核工业纳税款的1%来进一步实施这项技术，那 么每一种由核工业造成的疾病中有80例遗传疾病都将得到 防止。
4 高剂量的辐射会摧毁身体机能并在60天内导致死亡，但这 种“明显的”死亡仅仅在2%的核反应堆熔毁事故中能够 被预料到，在0.2%的熔毁事故中会超过100天，而在 1/100,000的熔毁事故中会超过3，500天。 5 对于氡效应的全面估计是一家运行了一年的核电站最终将 避免几百人死亡，而一个同等的煤电厂将最终导致30人死 亡。
Unit 4 Writing a Literature Review
1 Writing a literature Review
Additional questions for your understanding of Text 11
1 By how many particles of radiation from natural sources has a typical person been struck every second? A typical person is, and always has been struck by 15,000 particles of radiation every second from natural sources.
这是因为大部分的伽玛射线和x光射线无需通过与身体的组织发生作用就原子水平而言身体基本上是中空的空间而直接穿透身体而无法穿透组织的射线和射线则会通过与身体原子的碰撞使其能量得以扩展并且有可能导致更多的损坏
学术英语(理工)详解答案-Unit-4
Unit 4
Writing a Literature
Review
1 Writing a literature Review
1 ABdydhitoiownaml aqnuyesptaiortnicslefosroyforuarduiantdioenrsfrtaonmdinnagtuorfaTl ext 1s1ources has a typical person been struck every second?
Very high radiation doses can destroy body functions and lead to death within 60 days.
Unit 4
Writing a Literature
Review
1 Writing a literature Review
MaEtcnhathnecinwgorydosuwr aitchatdhemir idcelfainigtiuoangse.
A typical person is, and always has been struck by 15,000 particles of radiation every second from natural sources.
Unit 4
Writing a Literature
Review
1 Writing a literature Review
Fbeuiknugsshaimreaedxispaossteedr itno Jdaifpfearnenatnsdoaulrlcaedsdoref ssed the
troapdicatoiofnpoetveenrtyiadl ariys.kWs hoef tnhuecrleitawr irlal edniadtiaonng.er human
学术英语理工类课后题答案解析
Reading: Text 11.Match the words with their definitions.1g 2a 3e 4b 5c 6d 7j 8f 9h 10i2. Complete the following expressions or sentences by using the target words listed below with the help of the Chinese in brackets. Change the form if necessary.1 symbolic 2distributed 3site 4complex 5identify6fairly 7straightforward 8capability 9target 10attempt11process 12parameter 13interpretation 14technical 15range 16exploit 17networking 18involve19 instance 20specification 21accompany 22predictable23profile3. Read the sentences in the box. Pay attention to the parts in bold.Now complete the paragraph by translating the Chinese in brackets. You may refer to the expressions and the sentence patterns listed above.ranging from（从……到）arise from some misunderstandings（来自于对……误解）leaves a lot of problems unsolved（留下很多问题没有得到解决）opens a path for（打开了通道）requires a different frame of mind（需要有新的思想）4.Translate the following sentences from Text 1 into Chinese.1) 有些人声称黑客是那些超越知识疆界而不造成危害的好人（或即使造成危害，但并非故意而为），而“骇客”才是真正的坏人。
学术英语(理工)Unit3课后习题解答
Unit 3 Listening to Lectures
1 Preparing for listening to a lecture
1 What are the definitions of the following terms?
1) CO2: is a greenhouse gas which plays a major role in global warming and anthropogenic climate change. It is also a major source of ocean acidification which dissolves in water forming carbonic acid.
Telling an interesting story or an anecdote
Introducing the points to be covered in the talk directly
Unit 3 Listening to Lectures
2 Paying attention to the introduction
学术英语 理工
Academic English
for Science and Engineering
Unit 3 Listening to Lectures
Unit Contents
1 Preparing for listening to a lecture 2 Paying attention to the introduction
1 What are the definitions of the following terms?
3) greenhouse: is a structure with different types of covering materials, such as a glass or plastic roof and frequently glass or plastic walls; it heats up because incoming visible so absorbed by plants, soil, and other things inside the building. 4) methane: is the simplest alkane, the main component of natural gas, and probably the most abundant organic compound on earth. The relative abundance of methane makes it an attractive fuel.
学术英语(理工)讲义+课后习题解答
Academic English for Science and Engineering
h
1
h
2
Unit 1 Choosing a Topic
Unit Contents
1 Deciding on a topic
2 Formulating a research question
3 Writing a working title
appropriate topics of each
h subject?
7
Unit 1 Choosing a Topic
1 Deciding on a topic
Topics Energy
Genetic engineering
Universe
Your narrower subtopics
Questions
5 be used to
(识别p)hpyositceanltliyal terrorists
6 deal the matter withstrhaimightforward (完全地)
7 start with a prceattpyability
(直截了当) question
8 beyond thtaerget
缺答案
h
11
Unit 1 Choosing a Topic
1 Deciding on a topic
l Additional questions for your understanding of Text 1
1 What does “unauthorized user” refer to?
This term covers the entire range of folks, from those involved in organized criminal activities to insiders who are pushing the limits of what they are authorized to do on a system.
学术英语(理工)详解答案Unit3
is the simplest alkane, the main component of natural gas, and probably the most abundant organic compound on earth. The relative abundance of methane makes it an attractive fuel.
2) ozone layer: is a layer in Earth’s atmosphere containing relatively high concentrations ofstening to Lectures
1 Preparing for listening to a lecture
Telling an interesting story or an anecdote Introducing the points to be covered in the talk directly
Unit 3 Listening to Lectures
2 Paying attention to the introduction
Unit 3 Listening to Lectures
1 Preparing for listening to a lecture
4 What are the potential effects of global warming?
The effects of global warming may be physical, ecological, social or economic. Evidence of observed climate change includes the instrumental temperature record, an increase of extreme weather events (such as hurricanes, earthquakes, volcanoes, and landslides), rising sea levels, decreased snow cover in the Northern Hemisphere, mass animal extinctions and human migrations.