高中英语选修九《Unit 2 Key to exercises of the textbook》

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选修九 4.3《Unit 4 Key to exercises in the workbook (III)》

Six: Leave them all for a few days. OK, now you can go ahead and set up the experiment.
Part 2: Listen to the class discussing the results of the experiment. Students include Andrew (A), Rosemary (R) and Sandy(S).
TH: Excellent. Well done. So, what’s our conclusion about three important conditions that a seed needs in order to start growing?
S: That seeds need warmth, water and oxygen to grow.
What do you think the purpose of the experiment is?
What order do you think the pictures should go in?
Number the pictures in thut them.
Outline
Aim: To find out three important conditions that seeds need in order to start growing. Materials:
1. four dishes A B C D
2. four pieces of cloth
Dish C No Because they didn’t get any water. Because they were watered

高中英语选修九Unit 3 Key to exercises in the Textbook

新课标人教版课件系列
《高中英语》
选修(模块）9-3.5
Have you ever been to Australia? What places do you know in Australia? (wellknown cities, famous scenic spots, etc. ) Look at the following pictures and write the number of the picture beside the picture.
Sydney Perth Kakadu Canberra Uluru Great Barrier Reef
ห้องสมุดไป่ตู้
Sydney :
Opera House and Harbour Bridge, the capital of New South Wales (not Australia as some students may think). The bridge and the Opera House are two world famous landmarks of Sydney and often appear on souvenirs and on travel brochures.
5 How far is it from Perth to Sydney?
4,352 kilometers
6 How many World Heritage Sites are there in
Australia? 14
7 Which part of Australia gets the most rainfall?
4 In what part of Australia do you think most agriculture takes place? Give reasons.

大学英语之基础英语综合教程第二册unit2KeytoExercises

⼤学英语之基础英语综合教程第⼆册unit2KeytoExercises Unit 2The Virtues of Growing OlderKey to exercises:V ocabulary exercises:I. Explain the italicized part in each sentence in your own words.1. are likely to2. break up / disintegrate3. as a whole4. powerless against / completely controlled by5. not surprising / only too naturalII. F ill in the blank in each sentence with a word or phrase taken from the box in its appropriate form.1. delay2. Feverishly3. facade4. confronted5. premise6. dreaded7. automatically8. awaitingIII. Fill in the blanks with the appropriate forms of the given words.1. obsessive2. moodiness3. tolerable4. beneficial5. satisfying6. hidden7. preference8. criticismsIV. C hoose a word or phrase that can replace the underlined part in each sentence without changing its original meaning.1. C2. D3. A4. A5. B6. DV. Give a synonym or an antonym of the word underlined in each sentence in the sense it is used.1. Synonym: conceal, disguise2. Antonym: narrow3. Synonym: satisfaction, happiness, joy4. Synonym: merits, advantages5. Synonym: fat, plump6. Synonym: well-built7. Antonym: old-fashioned, outdated8. Synonym: clearly, evidentlyVI. Write in each space one word that has the same prefix as underlined in each given word.1. prepare2. progress3. foresee4. parallel5. perimeter 教师⽤书中下划为per前缀，应为peri前缀6. diameter7. semiconductor8. decelerateGrammar exercises:I. Complete the following sentences with the appropriate forms of the nouns given.1. agony2. agonies3. experience4. experiences5. youth6. a youth7. a great help8. a good knowledge9. a gray hair10.workII. Complete each sentence with the most appropriate of the four choices given.1. A2. B5. A6. B7. B8. CIII. Complete the reading. Choose the correct words in parentheses. Choose X if no word is needed.a lot of / a little / some / a few / A / some / some / a lot of / X / many / X / a lot ofIV. Complete the following with every, each, everyone, every one or all.1.all, Every one, Every2.each3.Every4.each5.Everyone6.Each7.everyone, everyone8.EachV. Correct the errors, where found, in the following sentences.1. When planting these flowers, care must be taken not to damage the roots.you must take care2. Though received late at night, he started to work on the document immediately.Though he received the document late at night it3. Falling from such a height, we thought he would never survive.When he fell4. Reading the letter a second time, the meaning becomes clearer.When you read5. Reading the instructions repeatedly, what he meant became clear to me.I became clear about what he meant6. Shining in the sky we saw the first star.We saw the first star shining in the sky.7. The teacher walked behind the kids eating their lunches.who were eating8. While cleaning his gun, it went off unexpectedly.he was cleaningV. Make sentences of your own after the sentence given below, keeping the parts in italics in your sentences.1. e.g. We don’t go out much —as long as we can go for a drink once a week,we’re satisfied.As long as you have your health and your sanity, money isn’t really important.2. e.g. Obviously, the discomfort of the job is not enough to prevent this young manfrom his goal —making money for his education.Obviously, if you want to lose weight very quickly, you should do two things at the same time: eat less and exercise more! 3. e.g. Food is a real need, but what about the sugarcoated breakfast food advertisedon television? It’s neither necessary nor nutritious.The customer neither needs nor plans to buy candies and chewing gums, which are attractively displayed.Translation exercises:I. Translate the following sentences into Chinese.1. 许多中年⼈去健⾝房锻炼，到街上跑步，为的是延缓衰⽼。

全新版大学进阶英语综合教程第二册答案u2keytoexercises

全新版⼤学进阶英语综合教程第⼆册答案u2keytoexercisesUnit 2 Tales of True LoveKey to ExercisesOpenerSuggested answers for reference1. Qian Zhongshu was a Chinese literary scholar and writer, best known for his wit and great academic knowledge. One of his most famous novels Fortress Besieged (《围城》is ). Yang Jiang was a Chinese playwright, We Three(《我们仨》) recalls memoir author, and translator. Her memories of her late husband, Qian Zhongshu, and her daughter, Qian Yuan, who died before her father.David Beckham is an English former professional footballer, and the first English player to win league titles in four countries: England, Spain, the United States and France. David is married to Victoria Beckham, an English businesswoman, fashion designer, model, and singer. They have four children.2. Qian and Yang's romance began when they met at Tsinghua University after Yang Jiang enrolled in the graduate school in 1932. They married in 1935.David started dating Victoria in 1997, after she attended a charity football match. The couple announced their engagement in 1998 and married in 1999.3. During the Cultural Revolution, like many other prominentand Yang Jiang were “sentintellectuals of the time, Qian Zhongshudown”, doing “reform through labor” in a “cadre school” in Henan from 1969 to 1972.The challenge David and Victoria have come across is media attention. They are both famous, so their relationship has attracted a great deal of media attention from its very beginning.Reading & InteractingI. Understanding the Text1. Text OrganizationDateSender InformatioHewasbadlyhomesickandbitterabouthis31 days toFranabsence while their daughter was growingD-DaupassaultcomingovertheHecomfortedPollyhappentowaswhatever28 days tothatsayingbyFranD-Daencouragedhewill,dependedonGod'sanPolly to trust God.himshe fixed up; missed yard The was17 days toPolly8 for separated been had they badly;D-Day months.first her to going 10 days towas Dee that glad was He2. Comprehension CheckFocusing on the main ideasFrank joined the . Army during World War II, and frequently exchanged letters with Polly, his wife. Frank, away in England, wroteabout his longings for home and his feelings towards Polly and Dee,their toddler daughter, while Polly described in detail her life athome and expressed her concern over the war, as well as the lonelinessshe endured from the long separation. They wrote about their love foreach other and comforted each other with the expectation for their reunion in the future. Tragically, however, Frank was killed in theNormandy landing operation on D-Day.Digging into detail1. He was very bitter that he was not going to be by her side while she grew up.assaultthe of one be would he whether will God's was it believed He 2. troops and whether he would survive the fighting. What he would do was to trust God.3. They had not seen each other for 8 months.4. Polly would take her daughter Dee to see her first movie.5. Polly imagined she and Frank would listen to their favorite music together on Sunday nights.6. She felt all the more sentimental but at the same time more confident in the future.Understanding difficult sentences1. B2. A3. B4. B5. BII. Focusing on Language in Context1. Key Words & Expressions1. While I was working in a fast-food restaurant, I constantly dreamt of being able to own one someday.2. It was common for people to keep up correspondence with friendsthrough letters before the age of the Internet.3. In modern Chinese society, women, to a large extent, are no longer dominated by men either in family life or in the workplace.4. There is now a growing realization of the importance of recyclingamong the residents in our neighborhood.5. The Japanese invasion during World War II met with fierce resistancefrom the Chinese people.6. It is wonderful to see flowers bloom in different colours after along bleak winter.7. The elderly landlady couldn't endure the behavior of the young manany more: he tossed trash all over the building.8. It is true that human beings have had war constantly throughouthistory; nevertheless human civilization has managed to survive.9. An increasingly large number of Chinese plan to spend their timetravelling to different countries and seeing more of the world when they retire.10. Last week I submitted my first project proposal and I was very anxious to know how the department manager would react to it.11. We all sympathize with those who lost loved ones in the disaster.12. The general decided to launch an assault on the enemy at midnight.13. At that time, most stores in that region allowed shoppers to exchangegoods and services at a mutually agreed price.14. The kids never received any professional training previously, but their performance was impressive.15. It's amazing that the toddler can count up to one hundred and backward.1. postponed2. of late3. long for4. continuallyfor 7. adored 8. by the day6. on land1. The sole survivor of the crash declined to be interviewed saying he just could not bring himself to talk about the tragic accidentat the moment.2. I thought the party I was invited to was a quiet and private one,but as it turned out, I was overwhelmed by the crowds and noise.3. Like many of her generation, the ladysuffered/underwent a lot ofhardships throughout her life.to bow to public pressure and 4. The local government was forced /hadcancelled the nuclear power program.student.in the growth of a play 5. Different teachers different roleschildren on out out carrying research to find the impact is The 6. team of long separation from their parents.7. Mary immediately felt uneasy when she found her cousin John wasgazing upon her.8. I can still recall how my heart was filled with joy and pride whenI received the diploma from the principal.2. Usage1. We all pray for the return of peace and loved ones.2. The prime minister, when talking about the servicemen in battle, said, “Those brave young people are the ones who are undergoingall/all of the hardships.”3. All of them were overwhelmed by the glamour of the royal palace.4. The happiest are not those who own all/all of the best things, butthose who can appreciate the beauty of life.5. All work and no play makes Jack a dull boy.3. Sentence Patterns1. Of course you all think big. But I'll bet many of you have no ideawhat you are really longing for.2. The school bus driver shouted, “Don't get off until the busstops!”3. I understand the importance of developing the habit of not putting off what you can do today until tomorrow. But you know, it's alwayseasier said than done.4. You may say you enjoy being single, but I bet you will think differently when you finally fall in love.5. Not until I experienced terrible loneliness did I come to the realization that support and sympathy from family were precious.4. Comprehensive PracticeClozeIn putting into words how much we adore someone, sometimes it is easier to do so in correspondence than face-to-face. One cannot help but sympathize with the lover who, gazing upon the object of his affection face-to-face, becomes overwhelmed and lost for words. Here distance may help. For separation not only makes the heart grow fonder, it also provides the perfect excuse for a(n) exchange of love letters in which the tongue-tied lover can give a more impressive display of his innermost thoughts. Unable to bring himself to speak freely about his feelings, with pen and paper on hand he may nonetheless easily fill pages with fine words. Watered by these, love will hopefully bloom.Translation1. George longs for a chance to meet her, but he can't bring himself to tell her about it.2. Many smart and capable people do not achieve a lot in their life because they are afraid of the hardships they may have to endure.3. I remember that in my childhood I had great enjoyment in living in the countryside where all the flowers were blooming in spring.4. The government is sure to react to the recent growth in violent crime.retire,they after loss of feelings undergo can people of lot a Quite 5.and we may help them with our care and concern.problems the and discussing get together exchanging ideas would 6. They the Valley in they stayed in Silicon they were confronted with when90's.D-Day, on his life lost the picture of her grandson who Gazing 7. uponthe elderly lady was filled with sorrow.8. Some people worry that robots may someday become the dominatingforce in the world.Reading & ComprehendingReading 11. Comprehension Check for Reading 11. F2. F3. F4. T5. F6. T7. T8. F9. F 10. T2. Translation1. 每个事故本⾝都不怎么严重，但叠加起来似乎就触发了⼀个奇怪的结果。

Key to exercises课后作业

Key to exercises1．1. Rectification of this fault is achieved by insertion of a wedge.2. An improvement of it s performance can be effected by the use of super- heated steam.3. The accuracy of these results is doubtful.4. The addition or remove of heat may change the state of matter.2.1. The difference between the treated and untreated specimens can be clearly seen.2. Significantly, even at this late date, Lautrec was considered somewhat conservative by his peers.4. Later Florey collaborated with Paul Fildes in an experimental study of the use of curare to relieve the intractable muscular spasms which occur in fully developed infection with tetanus.5. When a patient is admitted to a psychiatric inpatient unit, the clinical team should avoid the temptation to commence specific treatments immediately.6. Therefore after six months the dieter is behaving according to all twenty-six goals and she has achieved a considerable reduction in sugar intake.7. Modern houses have so many labor-saving devices that it is difficult for the person at home to have adequate exercise by doing chores, cooking, and looking after a family.8. Simply making the effort to reclaim this wasted material for fertilizer would have a positive effect on greenhouse releases.9. It is difficult to imagine exactly what is meant by saying that such a classification is natural as any collection of objects could be classified in this way.10. Unfortunately, since there are so many possible explanations, the correct one is most difficult to ascertain.11. These exercises can easily be incorporated into an exercise routine, with each exercise repeated a number of times.12. Fleming succeeded in isolating a streptococcus from the cerebrospinal fluid of the patient.13. Effective vaccines prevent such hazards, but only if a social organisation ensures that all potential mothers are vaccinated in good time.3.1. A primary education system was established throughout Ireland as early as 1831.2. This will reduce the amount of drug required and so the cost of treatment.3. The material amenities of life have increased in Western society.4. The press reflected the living culture of the people; it could influence opinion and reinforce existing attitudes but it did not create new forms of entertainment.5. Thus, he should have investigated how the patient has coped previously.6. The aggregate of outstanding balances fluctuated quite violently.7. In 1947 the Treasury raised the question of excluding South Africa (and India) from the sterling area.8. Dieters often feel that they should totally eliminate high-fat and high-sugar foods.9. Thus when a Gallic bishop in 576 converted the local Jewish community to Christianity, those who refused baptism were expelled from the city.10. Western scholars gradually produced a corpus of translations from the Arabic and studies of Islam.11. Ms Tucker, Lord White’s 29-year-old companion, has since retracted her statement.12. Discussion of the outcome of experiments that have used this method will be postponed until Chapter 7.13. They did not easily accept or tolerate differences in others.14. My high-school friend signed up for three years with the army so he could save enough money to go to university and study law.15. The solitary feeding of insectivores in forests was therefore attributed to a foraging strategy involving the pursuit of cryptic and easily disturbed prey by singletons.16. In style, the turn toward abstraction and simplification occurred earliest with Anquetin and Bernard and next with vanGogh.17. For Klein that cloudless day never arrived, but he never relinquished his hope for a just world.18. Eventually the Irish party was forced to return to Westminster.19. The court thinks it just and equitable to return the property.20. The English liked coal fires even though they do not always produce much heat.21. The story told by German propaganda, however, betrayed nothing of the mounting hopelessness of the 6th Army’s position.22. These exercises can easily be incorporated into an exercise routine, with each exercise repeated a number of times.23. Marx took as one of his main tasks the understanding of how this system came into being in order to discover why this system had such power.24. This was before he had read the guidelines on how to conduct the research.25. The pressure to succeed as an individual made most women believe that the problems they encountered were probably of their own making4. Text 1 Most overdoses are taken when individuals are finding it difficult to sort out their life problems in a clear way. For this reason, the approach to treatment must, above all else, be a clear one; that is, one which helps the patient separate out each of his problems and plan ways of dealing with them.Text 2Wagner was what might be called a subjective artist in that his art had its source in his personality. His work seems virtually independent of the epoch in which he lived.On the other hand, Bach can be considered an objective artist. He seems to have worked only with the forms and ideas that his time proffered him, feeling no inner compulsion to open out new paths.6. 1. The lives they chose are overly ascetic and self-denying to most women today.2. Weismann proved that animals become old because, if they did not, there could be no successive replacement of individuals and hence no evolution.3. By analogy, one can walk from one point in hilly country to another by a path which is always level or uphill, and yet a straight line between the points would cross a valley.4. There are cases where this would have been the only possible method of transmission.5. 4. in the end, in the first place, in the second place, in the same way, but, despite, as a consequence, hence, for example, normally, naturally, unfortunately, namely, also, in that case, then ,in fact, indeed, indeed, actually, especially, mainly.6.1 The lives they chose may seem overly ascetic and self-denying to most women today.2. Weismann suggested that animals become old because, if they did not, there could be no successive replacement of individuals and hence no evolution.3. By analogy, it may be possible to walk from one point in hilly country to another by a path which is always level or uphill, and yet a straight line between the points would cross a valley.4. There are certainly cases where this would seem to have been the only possible method of transmission.7.1. On the evidence of the findings presented in Figure 1, it would appear that students in Hong Kong generally have little need to speak in English outside the classroom.2. The evidence proves that undergraduates rarely communicate with their parents or grandparents in English.3. This is undoubtedly because Hong Kong students’ family members are Cantonese speakers.4 The students in Hong Kong University probably go on an exchange at least once in their university life.5. It is possible that students have relatives in English-speaking countries.6. There is strong evidence that academic exchanges improve the language skills of students.7. The students in the Hong Kong University are predominantly Cantonese speakers.8. It is an iron law that nothing can go faster than light.9. The lack of solar power stations in HK proves that HK is not suitable for solar power.10. Hong Kong offers the best Chinese food in the world.8. open question。

选修九《Unit2Keytoexercisesofthetextbook》

3 Can you identify these early navigational instruments seamen used and explain how they are used? 1co_m__p_a_s_s_(i_n__an_c_i_e_n_t_C_h_i_n_a_) ____
Explorer
land use of compass
Байду номын сангаас
and landmarks find new places
within an already identified island or
continent
Explorer is someone who travels into or through a place in order to learn about it.
Very often navigators are also explorers.
Pre-reading • Look at the pictures. Then answer the questions.
1 How do you think seamen found their way before modern accurate methods of navigation were invented?
Navigator sea nautical instruments
find new islands or continents
Navigator is someone who finds the position and plots the course of a ship, an aircraft, a car, etc, using maps and instruments.

选修九 4.2《Unit 4 Key to exercises in the workbook (I

Check your understanding and complete the table.
Plant/
Advantages Disadvantages
pollinator
Yucca Moth
The yucca is
certain to be pollinated.
They are totally dependent on
each other for
The moth’s
survival.
caterpillars have
a certain supply
of food
Plant/
Advantages Disadvantages
pollinator
Traveller’s The palm’s There is a
palm
新课标人教版课件系列
《高中英语》
选修(模块）9-4.2
Reading on P.78
Warming up
Discuss the question: What’s the relationship between plants and animals?
Pre-reading 1 Before you read the text, glance quickly
The female wasps visit the orchid flowers to collect the chemical that the male wasps were attracted to earlier. The female wasps do not have a role in pollination since the flowers are dying when they visit them.

选修九 1.2《Unit 1 Key to exercises of the workbook》

3 Translate the following sentences into
English .(p.54） 1 大山里静谧的氛围是我最喜爱的。 The peaceful atmosphere of the mountains is the thing I love the most. 2 参加比赛给我很大的成就感。 Participating in a competition gives me a great feeling of accomplishment.
2 In pairs, complete each sentence, starting
4 Whether he will be a lawyer or not depends on _____________________ how well he does at school . 5 Whoever comes late for work must __________________________________ stay late until the day's work is done . 6 To reach your goal is _____________ one of the most ______________________ exciting things you can do .
C
D 1 largest afforestation Natural world project Travel and 2 fastest commercial transport also maglev train Science and longest continuous 3 motorcycle ride with the technology rider standing on the seat Sports and without touching the games handlebars E fastest mask-changing Arts and media F oldest man alive Human body

选修九 4.2《Unit 4 Key to exercises in the workbook (II)》(新课标人教版-选修9)

The female wasps visit the orchid flowers to collect the chemical that the male wasps were attracted to earlier. The female wasps do not have a role in pollination since the flowers are dying when they visit them.
新课标人教版课件系列
《高中英语》
选修(模块）9-4.2
Reading on P.78
Warming up
Discuss the question: What’s the relationship between plants and animals?
Pre-reading 1 Before you read the text, glance
Yucca flowers, a Traveller’s Palm, and an Ophrys orchid. 4. What three animal pollinators are featured?
The yucca moth, the Madagascar black lemur, a certain kind of wasp (the male, not the female wasp).
The male wasps try to mate with the orchid flowers because they look like and smell like female wasps.
5. Why do the female wasps visit the orchid flowers? Do they have a role in pollination?

Unit 2 The fun they had(key to exercises)

Vocabulary
V 1. 2. 3. 4. 5. 6. 7. 8.
actual/genuine/true moving/mobile/restless/movable rough/coarse/uneven like/love/enjoy disdainful/contemptuous inferior/subordinate/secondary indifferently/coldly/coolly/casually irregular/uncertain/random
Translation
II 8. With his shirt tucked into the top of his trousers and a leather bag tucked under his arm, the boy looked just like a boss. 9. Although she is only eight years old, the little girl has already been very good at calculating fractions. No wonder her parents feel proud of her. 10. All the neighborhood have heard of the news, but you haven’t. Don’t you think it is strange?
Grammar
III 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
Light a noise very good weather bad luck president The vegetables war All the books coffee poetry

选修九 3.6《Unit 3 Key to exercises in the Workbook》

to the beach and swimming. Children between 7 and 15 can join as junior members, called nippers. The club provides activities for junior members at weekends and in the holidays. They receive training in lifesaving as well as taking part in healthy exercise at the beach.
C: Oh, so you surf, do you? R: Yeah. I’ve been surfing since I was a
nipper. C: A what? R: Oh, sorry. That’s what we call junior
lifesavers back home.
C: (laughs) Hang on. What’s a junior lifesaver?
Surf lifesaving clubs are popular all over Australia. They were originally formed to provide a rescue service for swimmers who get into danger on beaches. The clubs are voluntary organizations whose members patrol the beaches for free. As well as carrying out lifeguard duties, the clubs hold many social events and competitions related

选修九 4.2《Unit 4 Key to exercises in the workbook (II)》PPT课件(新课标人教版-选修9)

Plant/ pollinator
Advantages
Disadvantages
Traveller’s The palm’s There is a palm flower can be disadvantage for
Lemur
opened by the the palm only if lemur. there are no lemurs or other animals present The lemur has a source strong enough to open the flowers. of food.
The male wasps try to mate with the orchid flowers because they look like and smell like female wasps.
5. Why do the female wasps visit the orchid flowers? Do they have a role in pollination?
First reading
2 Now read the text more carefully and
answer these questions. 1. Why can no other animals but the yucca moth pollinate the yucca? It’s only the yucca moth which is the right size and shape to pollinate the yucca.
3. What do you think “sweet tooth” means? If a person or an animal has a “sweet tooth”, they like sweet food very much.

高中英语选修9 Unit2 词汇

通电时线圈就会有磁性。通电时线圈就会有磁性。
单词填空
exploration 1. They decided to make a full ________of 他们决定对事故做一次全盘研究。 the accident. 他们决定对事故做一次全盘研究。 minimum 2. The class needs a ________ of 6 pupils to continue. 这个班最低限度要六个学生才可以
没有一件事情比得上有朋在远方更使这地球显得如此广大的了; 他们构成纬度，也构成经度。此广大的了他们构成纬度，也构成经度。
2. This is the virgin voyage of the ship.
这是这艘船的处女航。这是这艘船的处女航。
3. They had no hope of admission to the celestial kingdom. 他们无望进入天国。他们无望进入天国。
Homework 汉—英英 1.他们在海上迷了路，任凭风和天气的摆布。他们在海上迷了路，他们在海上迷了路任凭风和天气的摆布。 (mercy) They were lost at the sea, at the mercy of the wind and weather. 2. 这本书无处可寻。(nowhere) 这本书无处可寻。 The book was nowhere to be found. 3.我说不准这个字在这段文章里的确切意义我说不准这个字在这段文章里的确切意义是什么。是什么。（precise) I am not clear about the precise meaning of the word in this passage.
Unit 2 Sailearning 英– 汉 1.Nothing make the earth seem so spacious as to have friend at a distance; they make latitude and longitude.

选修九 4.2《Unit 4 Key to exercises in the workbook (II)》PPT课件(新课标人教版-选修9)

Yucca flowers, a Traveller’s Palm, and an Ophrys orchid. 4. What three animal pollinators are featured?
The yucca moth, the Madagascar black lemur, a certain kind of wasp (the male, not the female wasp).
flower can be disadvantage for
opened by the the palm only if
lemur.
there are no
Lemur
The lemur has a source of food.
lemurs or other animals present strong enough to open the flowers.
First reading 2 Now read the text more carefully and
answer these questions. 1. Why can no other animals but the yucca moth pollinate the yucca?
It’s only the yucca moth which is the right size and shape to pollinate the yucca.
3. What do you think “sweet tooth” means?
If a person or an animal has a “sweet tooth”, they like sweet food very much.
4. Why do the male wasps try to mate with the orchid flowers?

选修九 4.2《Unit 4 Key to exercises in the workbook (I

2. Can you guess why the Traveller’s Palm has that name?
The Traveller’s Palm has this name because travellers used to drink its nectar when they were thirsty.
The Ophrys orchid and the wasp:
If the Ophrys orchid died out, the wasp would also died out as the female wasp needs the chemical produced by the orchid to attract the male wasps.
Second reading
3 Now read and think about the advantages and disadvantages of the relationships between the plants and pollinations described in the text.
The male wasps try to mate with the orchid flowers because they look like and smell like female wasps.
5. Why do the female wasps visit the orchid flowers? Do they have a role in pollination?
each other for
The moth’s
survival.
caterpillars have
a certain supply

人教版高中英语选修九第二单元单元练习

BOOK 9 UNIT 2 ReadingPARA 1在经纬度未能绘出航船在地图上的位置之前，我们很想知道航海员是怎样在海上探险的。

We _____ _____ wonder how seamen explored the oceans before latitude and longitude made it possible to _____ a ship’s ________ on a map.may/might well 很可能，极有可能The se are excellent photographs and we ___ ____ use them in our magazine.这些是很不错的照片，我们很有可能把它们用在我们的杂志上。

You might well find that you’ll need more by the weekend.译:____________________________________________________2. The voyages of travelers before the 17th century show that they were not ___ ____ ______ ____ the sea _____ ______ they did not have modern ____________ aids.17世纪前的海上航行表明，即使没有现代航海术的帮助，旅行者也没有受大海的支配。

①voyage n./ vi.航海, 航行去航海旅行__________________trip 指休闲或因商的短途旅行journey 指从一地出发直达目的地的长途陆路旅行或旅程，不含回到原出发点之意。

travel 常指到国外或某个遥远的地方去，不强调具体目的地。

指具体的旅行时常用复数，用单数一般表示旅行的抽象概念。

They have got everything ready to make a _____ ac ross the Atlantic.A. tripB. travelC. voyageD. tour②I don’t like to be ___ ____ _______ ____such a man.我不愿受这样一个人的摆布。

选修九 4.2《Unit 4 Key to exercises in the workbook (II)》PPT课件(新课标人教版-选修9)

The Traveller’s palm and the Madagascar black lemur:
If the Traveller’s palm died out, the Madagascar black lemur would not die out as it can find other sources of food.
Check your understanding and complete the table.
Plant/
Advantages Disadvantages
pollinator
Yucca Moth
The yucca is
certain to be pollinated.
They are totally dependent on
each other for
The moth’s
survival.
caterpillars have
a certain supply
of food
Plant/
Advantages Disadvantages
pollinator
Traveller’s The palm’s There is a
palm
Second reading
3 Now read and think about the advantages and disadvantages of the relationships between the plants and pollinations described in the text.
through it and answer these questions. 1.ห้องสมุดไป่ตู้What’s the topic of the text? 2. What three plants are featured? 3. What do the photos show you? 4. What three animal pollinators are featured?