高二英语Units11—13 复习练习题　　 2006年3月

Unit11 Scientific achievements 单元综合检测题

单项填空（共15小题；每小题1分，满分15分）

21. — Goodbye, Joyce. Please remember me to your parents.

　　 — ______.

　　 A. Thanks, I will　　  B. It’s very kind of you to say so 

　　 C. My pleasure　　　　D. Thank you. What a good idea

22. The success of this project ______ everyone making an effort.

　　 A. relies on　　　　　 B. cares for　　 C. reminds of　　　 D. calls up

23. The student couldn’t ______ what the teacher was trying to explain.

　　 A. recognize　 B. grasp　　 C. study　　D. achieve

24. Her examination paper was ______ except for one spelling mistake.

　　 A. private　　　　　　  B. humanoid　　 C. perfect　　  D. economic

25. As is known to all, ______ great scientific achievements may have ______ positive effect on our life as well as society. 　　 A. /; a　　　B. the; a　 C. the; /　　　D. /； /

26. He ______ a plan for the committee to consider.

　　 A. put away　　　　  B. put off　　 C. put forward　　　 D. gave up

27. The school has ______ a special class to help poor readers.

　　 A. set up　　　　  B. set aside　　　　C. come true　　　　　　 D. come into being

28. Scientists have made a great ______ in the treatment of cancer.

　　 A. principle　　　 B. breakthrough　　　　　  C. conclusion　　　 D. introduction

29. — Is it ______ that the spaceship will be launched within this week?

　　 — No, I don’t think so.

　　 A. probably　 B. perhaps　　 C. possibly　D. likely

30. Selecting a digital camera for personal use is no easy task because technology ______ so rapidly.　　　　A. is changing　 B. has changed　　 C. will have changed　　D. will change

31. The development of modern science will soon ______ it possible for some patients to recover from these illnesses. 　　 A. make　　　 B. find　　C. consider　　D. think

32. — I really like the record you lent me last week.

　 — ______.

　 A. I’m glad you like it　 B. That’s all right　　 C. Don’t mention it　　D. I hope you like it

33. He sent her a telegram ______ his immediate return to London.

　　 A. announced　　　　B. announcing　　　 C. has announced　　 D. announces

34. The company wishes to ______ its new factory beside the river.

　　 A. find　　　B. stand　　　C. locate　　D. arrange

35. Oh, I’m not feeling well in the stomach. I ______so much fried chicken just now.

A. shouldn’t eat　 B. mustn’t have eaten　　 C. shouldn’t have eaten　　D. mustn’t eat

Keys: 21-25 AABCA　　　 26-30 CABDA 　　31-35 AABCC　　　

单词拼写

1.　　　These are some great scientific ________________ (成就) that have changed the world.

2.　　　We should try our best to improve our ___________ (每日的) life.

3.　　　Yufang talked to some friends from his university in Beijing and they helped ___________ (安排) for his return.

4.　　　____________ (失败) is the mother of success.

5.　　　The big cellphone company has ____________ (实现) its goal of setting up ten production bases in China.

6.　　　The development of nuclear weapons is a big threat to ______________ (人类).

7.　　　People are encouraged to speak openly, but careless remarks are __________ (可能的) to hurt others’ feelings.

8.　　　Zhongguancun is home to some famous research _______________ (协会，研究机构) and universities.

9.　　　Shenzhen, which is one of the earliest special ______________ (经济的) zones in China, has become a modern city.

10.　　Successful people learn to ___________ (抓住) the opportunities that come along.

11.　　If you want to work in a big city and live by the seaside, Qingdao is the ___________　(完美的) place for you.

12.　　The programme was started in March 1986 and has led to several ________________ (重大突破) in science and technology.

13.　　This technology may enable doctors to restore human ___________ (器官) in the near future.

14.　　The Chinese government put forward a plan for “ __________________ (恢复活力) the nation by relying on science and education.”

15.　　China has long been a leader in the field of genetic research __________ (瞄准；目的在于) at improving agriculture.

16.　　In 2000, Chinese scientists _____________ (宣布) that they had completed their part of the international human genome project.

17.　　Chinese computer engineers have built the nation’s first __________ (具有人的特点) robot.

18.　　Scientists have been able to create a chemical __________ (元素) that can fight cancer cells.

19.　　Our company has ______________ (代理处) all over the world.

20.　　She’s a ___________ (硕士) of Arts, while her husband has a Doctor of Engineering.

21.　　My house is far away from the business __________ (区；区域).

22.　　This is a ____________ (私人的) conversation. It’s none of your business.

23.　　Scientists often have to rely on government ______________ (支持) in order to do research.

24.　　Chinese doctors are playing an important role in the ____________ (战役) against AIDS.

25.　　He worked so hard that he got full ___________ (分数) in biology.

单词拼写：

1. achievements　　 2. daily　　 3. arrange　　 4. Failure　　 5. achieved

6. mankind　　　　7. likely　　 8. institutes　　 9. economic　　10. grasp

11. perfect　　　 12. breakthroughs　　 13. organs　　 14. rejuvenating

15. aimed　 16. announced 　 17. humanoid　　  18. element　19. agencies　 20. Master　　　21. zone　　　22. private　　 23. support　24. battle　　　 25. marks

词组

1.　　　科学成就　　　　　　　　　　　　　　　　　　　　 2.　共同的；共同之处

3.　　　从事某项工作；致力于　　　　　　　　　　　　　　 4.　就要到来；必将发生

5.　　　建立　　　　　　　　　　　　　　　　　　　　　　 6.　经济特区

7.　　　在20世纪90年代末　　　　　　　　　　　　　　　 8.　在20世纪80年代初

9.　　　开办；创办　　　　　　　　　　　　　　　　　　  10 . 实现

11.　　同时；可是　　　　　　　　　　　　　　　　　　  12.　进入；踏入

13.　　依靠；依赖　　　　　　　　　　  　　　　　　　　14.　苏醒过来；活跃起来

15. 提出主意、计划等　　　　　　　　　　　　　　　　 16. 硕士学位

17. 博士学位　　　　　　　　　　　　　　　　　　　　 18. 使……坐落于

19. ……之家；……的所在地　　　　　　　　　　　　　 20. 把……设在

21. 对……有作用；对……有影响　　　　　　　　　　　 22. 为……作安排

23. 也；还；除……之外　　　　　　　　　　　　　　　 24. 瞄准；目的在于

25. 正如某人所说　　　　　　　　　　　　　　　　　　 26. 很可能做某事

词组：

1.scientific achievement　 2.in common　　3.work on　 4.in store(for sb. / sth.)

5.set up　6.a special economic zone　 7.in the late 1990s　　8.in the early 1980s

9.get started　 10.come true　 11.at the same time　　12.set foot in / on

13.rely on / upon　  14.come to life15. put forward　 16. a master’s degree

17. a doctor’s degree　 18. be located in　  19.It is home to…20.base in / at

21.have an effect on　  22.arrange for　 23.as well as　 24.aim at doing sth.

25.as sb. puts it　 26.be likely to do sth.

Unit12 Fact and fantas

1. _______ from the earth to Mars!

　　 A. How long it is　　 　　　　　　　　B. How far is it　　　　

　　 C. What a long distance it is　　　　　  D. What a long distance is it

2. The two leaders have _______ the foundations of a new era in cooperation between their countries.

　　 A. laid　　B. lied　　　　 C. lain　　　 D. set

3. As an economist, he was able to _______ some light on the problem.

　　 A. put　　　B. make　　　　 C. throw　　　　D. bring

4. As soon as I was on _______, I began to have second thoughts about leaving.

　　 A. abroad B. broad　　　　  C. aboard　　　 D. board

5. _______ in her most beautiful skirt, the girl tried to make herself _______ at the party.

　　A. Dressed; noticed　　　　　  B. Dressing; noticed　　

C. Dressed; noticing　　　　　  D. Dressing; being noticing

6. — Have you finished the work?

　　 — Not yet. I _______ to do it just a moment ago.

　　 A. set off　　　　　　 B. set up　　 C. set out　　　　　　  D. set down

7. If you wish for any _______ explanation, you had better apply in person to chief of police.

　　 A. farther　　　　　　　 B. further　　 C. much farther　　　　 D. more far

8. Obviously what he said just now is a story of ______. In fact, a car can’t reach that speed.

　　 A. science　　　　　　  B. truth　　 C. fact　　　　　　　　　  D. fiction

9. I want to call his _______ to the result of the experiment.

　　 A. attention　 B. attack　　 C. information　 D. eye

10. Long，long ago, people had no idea _______ the inside of the earth might look like.

A. what　　　　B. that　　　 C. how　　  D. why　　　　　 

1-5 CACDA　　　　　　　　　　 6-10 CBDAA　　

11. — I prefer western food. It’s a kind of healthy food.

— _______ But western food is said to be high in sugar and fat.

　　 A. Is that right?　　　　B. How do you know that?

　　 C. Do you really think so?　　 D. Who told you that?

12. Whenever I see him, he is _______ a happy smile.

　　 A. putting on　　　　  B. wearing　　 C. dressing　　　　　　 D. having on

13. After he left college, he was employed in an international company and _______ there ever since.　　 A. worked　　　　  B. has worked　　 C. had worked　　　　 D. was working

14. Don’t _______ call me if you need any help.

　　 A. think of　　　　　　 B. remember to　　 C. try to　　　　　 D. hesitate to

15. The thing that _______ is not whether you fail or not, but whether you try or not.

　　 A. matters　　　　　  B. minds　　 C. cares　　　　　　　 　D. considers　

11---15  C　B　B　D　A

写出下列短语和句子的英文(每题3分，共30分)：

46.谋生__________________　　 47.使某人想起；提醒某人_______________

48.奠定…的基础________________　　　49.从那天开始______________

50.以……为开端，从……开始_____________

51.阐明某事，使某事物显得非常清楚________________________

52.梦想着做某事___________________　53.他的梦想实现了。_____________　

54.他正在回航途中。________________　　55.他们不久又会见面的。_____________

Keys:46.make a living　 47.remind sb. of sb./sth.　 48.lay the foundation of　 49.from that day on　 50.begin/start with　 51.throw light upon/on　 52.dream of doing sth.　 53.His dream came true.　　54.He is now on the voyage home.

55.It won’t be long before they meet again.

unit11--unit 12

2：单项选择 (共15 小题，每小题1 分，满分15 分)

1.A new cure for the disease is______to be discovered.　

A.like　 B.likely　 C.possible　 D.probable

2.Do you agree to the plan______at the meeting?

　A.to put forward　 B.to put away　 C.put forward　 D.put up

3.The director on land asked the pilot to______his position.

　A.locate　 B.grasp　 C.announce　 D.arrange

4.They were filled with joy when they______in this beautiful island.

　 A.set free　 B.set foot C.paid visit　 D.reached

5.He was______by new hope.

　A.come to life　 B.come true　 C.rejuvenated　 D.boomed

6.The Olympics has already______our country's breathtaking economic progress,

　 A.showcased　 B.achieved　 C.boomed　 D.grasped

7.Don't forget to take the_______with you.

　 A.luggages　 B.baggages　 C.two pieces of luggages　 D.two luggages

8.After the president made an official announcement,she expressed her_____opinion.

　 A.personal　 B.private　 C.single　 D.individual

9.Listening attentively is_______of the crowd's respect for the speaker.

　 A.significant　 B.significance　 C.sigh 　 D.signal

10.－Susan,will you please go and empty that drawer?

－______?(2004 NMET)

　 A.What for　 B.What is it　 C.How is it　 D.How come

11.He narrowly escaped______in the fighting.

　 A.to kill　 B.to be killed　 C.killing　 D.being killed

12.－Why do people prefer to take a window seat on the plane?

－Because the window_____the outside world.

　 A.takes a view of　　B.keeps a view of　 C.has a view of　 D.gives a view of

13.The weather report says it will_____cold tomorrow.

　 A.turn up　 B.turn out　 C.turn on　 D.turn in

14.She drew the______before switching on the light.

　 A.shades　 B.masks　 C.coverings　 D.curtains

15.－It's______that he said:"I am______to help you."

－Don't take it seriously.He is always playing that trick.

　 A.sure; sure　 B.certain; certain　 C.sure; certain　 D. certainly; curely

2、 单选 1-5 BCABC 6--10 ACAAA 11-15 DDBDB

Unit13 The water planet

I. Multiple choice

1. There is something wrong with our car, so we had to go _____ on foot to the village.

A. all the way　 B. at all times　 C. all the places　 D. all the roads

2. More and more students are _____ this modern type of instruction.

A. benefiting from　B. comparing to　 C. giving off　　D. setting out

3. ----Tom, I’d like to have a talk with you at tea-break.

　---- _______ Have what with me?

A. Yes, please　 B. Sorry?　 C. Thanks　 D. You are welcome

4. After several part-time jobs, he’s now got a ______ job in a bank.

A. precious　 B. scary　 C. specific　 D. stable

5. When I opened the door, I found my father sitting in his chair, completely ________ a magazine.

 A. absorbing in　　B. absorbed in　　C. absorbing to　 D. absorbed to

6. Some plants are very ________ to light; they prefer the shade.

 A. sensible　　B. sensitive　　C. suitable　　D. acceptable

7. This is your last chance. You may as well _______ full advantage of it.

 A. make　　B. get　　C. take　　D. have

8. Cover a glass of water _______ a piece of think paper.

A with　　  B. of　　 C. by　　　 D. in

9. The prices of the dolls ________from 5 to 100dollars.

A. ranges　　 B. arranges　　C. charges　　　D. rings

10. I benefit a lot ________ his advice.

A with　　B. of　　 C. from　　 D. in

11. The dishes tastes nice; help yourself to _________ you want.

 A. all what　　B. whatever　　C. all of which　　D. no matter what

12. The program offers a ________ opportunity to visit some mountain areas in Yunnan.

 A. unique　　B. relative　　C. pure　　D. stable

13. Around 3 billion years ago, ________ life on the earth began in _________ deep blue seas.

 A. the; /　　B. a; the　　C. /; the　　D. a; /

14. That _________ be Jessie ---- she’s away in Tokyo.

 A. can’t　　B. mustn’t　　C. needn’t　　D. shan’t

15. The teenagers wonder what ________ makes Jay a successful pop singer.

 A. is it　 B. is it that　　C. it is　　D. it is that

16. The kid is very shy; he _________ say what is really in his mind.

 A. dares not　　B. doesn’t dare　　C. dare not to　　D. dare do not

17. _________ that you lose your job: what would you do then?

 A. Say　　B. Talk　　C. Speak　　D. Tell

18. The universities have got bigger in size, _________ many more people the chance of higher education.　  A. so allowing　　B. thus allowing　　C. so to allow　D. thus to allow

19. Density of water _________ kilograms per cubic meter.

 A. measures　　B. is measured　　C. measures in　　D. is measured in

20. ---- Jason had a car accident.

　 ---- He ________ have drunk and driven.

 A. mustn’t　　 B. wouldn’t　　C. shouldn’t　　D. couldn’t

21. The temperature can fall to -30oC, ______ is, 30oC below freezing point.

 A. which　  B. it　　C. this　　D. that

22. The old photo _________ my memories of the days when we worked together.

 A. called up　　B. called in　　C. called back　　D. called for

23. _______ the yard, I found it ________ with lots of ________ leaves.

 A. Entering; covering; falling　　B. Entering; covered; fallen

 C. Entering; covering; fallen　　 D. Having entered; covered; falling

24. You must be a poet, ________ you?　　  A. are　　B. aren’t　　C. must　　D. mustn’t

25. I don’t like ________ you speak to her.

 A. the way　B. the way in that　C. the way which　D. the way of which

II. Word-spelling

1. She dropped a c________ of sugar into her tea and stirred(搅拌) it with a spoon.

2. People in the small island didn’t use cars; horses were the only means of t_______.

3. Life in the oceans appears in different sizes, r__________ from the tiniest fish all the way up to the biggest blue whales.

4. Alcohol(酒精) has a lower f_________ point than water. That’s why the wine can stay liquid on such cold weather.

5. The shirt is 100% p___________ cotton, that is, not mixed with any other material.

6. A n________ is a place where young children are taken care of during the day while their parents are at work.

7. ---- He’s only fourteen.

　---- I know, but I think we can t_________ him to look after the baby for an hour.

8. Oil has a density lower than 1,000kg/m3, so it will f______ on water.

9. As the water supply is d_________, water prices are expected to keep increasing.

10. The soil can a__________ water, so it helps to keep water from flowing away.

III. Uses of phrases

give off　　　 call in 　　　 a variety of　　　　　benefit from

all the way 　　　　take advantage of　　　　　contribute to 　　 be made up of

be sensitive to　　 range in　　　　　　　　

1. What a discovery! Many thousands have _______________ the new medicine.

2. Jerry got very upset; she didn’t speak a word to me _______________ back home.

3. Don’t lend them the car ---- they’re ________________ you!

4. Try not to breathe in the gas ________________ by the paint; it’s very poisonous.

5. Finally the teenager’s behavior got so bad that the police had to be _____________.

6. The restaurant offers __________________ Chinese dishes; let’s eat out there ---- my treat!

7. Take it easy! Pressure ______________ many illnesses.

8. The committee(委员会) _________________ representatives from every state.

9. ---- My teeth _________ really ___________ hot and cold

　---- You have to see a dentist(牙医).

10. The shoes are expensive; they ______________ price from $ 50 to $ 150.

IV. Translation

1. 你的建议使我受益匪浅。

____________________________________________________________

2. 我希望这座图书馆能被充分利用。

____________________________________________________________

3. 当我进来时，他正全神贯注地在看小说。

____________________________________________________________

4. 这些苹果散发出来的味道很甜。

____________________________________________________________

5. 你放心让这孩子晚上一个人出去吗？

____________________________________________________________

KEYS:

I.　1-5AABDB　6-10 BCAAC　11-15 BACAD　16—20 BABDC　21—25 DABBA

II. cube, transport/transportation, ranging, freezing, pure, nursery, trust, float, decreasing, absorb

III. benefited from, all the way, taking advantage of, given off, called in,

a variety of, contributes to, is made up of, are…sensitive to, range in

IV. 1. I benefited a lot from your advice.　 2. I hope the library can be fully taken advantage of.

3. When I came in, he was absorbed in a novel.　4. The smell given off by these apples is very sweet.　　  5. Do you trust the child to go out alone at night?

　　　　　　  高二（下）Unit11—Unit13必背句子

Unit11 Scientific achievement

1.　　　  Whatever great achievements the future may have in store for China, it is likely that many of them will be born in northwestern Beijing.

无论中国将来会取得什么样的伟大成就，其中许多有可能诞生在北京的西北部。

2.　　　  Not all the new companies can succeed, but the spirit and creativity they represent are more important than money.

并非所有的公司都会取得成功，但是他们所体现的那种精神和创造性却比金钱更为重要。

3.　　　  The science park is also home to a growing number of overseas Chinese who have grasped the opportunity to develop their ideas at home.

越来越多的海外华人抓住机会到国内来实现他们的理想，中关村科技园也就成为了他们的基地。

4.　　　  I will never forget how happy I was when I set foot in China again and was back with my friends and family.

我永远也忘不了再次踏上中国的土地和我的朋友及亲人团聚时，那种感觉是多么的幸福。

5.　　　  He lives in Beijing and runs small company based in Zhongguancun together with two friends.

他住在北京，同两位朋友一起在中关村经营一家小公司。

6.　　　  Zhongguancun has had a positive effect on business as well as science.

中关村无论对商业还是科学都产生了积极的影响。

7.　　　  One of the mottos for the park—“Replying on science, technology and knowledge to increase economic power” -– make it clear that science and business can and must work together to build the future.

这个园的口号之一是：“依靠科学、技术和知识发展经济实力。”它阐明了科学和商业能够而且必须结合在一起共创未来。

8.　　　  We are excited about all the new technology and great ideas that are coming to life in Zhongguancun.

我们为所有这些在中关村富有活力的新技术和卓越的想法而感到激动不已。

9.　　　  In 1995, the Chinese government put forward a plan for “rejuvenating the nation by relying on science and education”.

1995年，中国政府提出了“科教兴国”的规划。

10.　　 It has helped Chinese scientists make many breakthroughs.

它帮助中国的科学家取得了许多突破性的进展。

11.　　 China has long been a leader in the field of genetic research aimed at improving agriculture.

在以提高农业生产为目标的基因研究领域里，中国长期以来都处于领先地位。

Unit 12 Fact and fantasy

1.　　　  His father sent him to Paris to study law, but instead Verne developed his love for the theatre.

他的父亲把他送到巴黎去学法律，而他却爱上了戏剧。

2.　　　  Many of the instruments in his novels will remind the reader of Dr Benjamin Franklin’s experiments with electricity.

他的小说里的许多设备会使读者想起本杰明·富兰克林博士说做的风筝实验。

3.　　　  To make a living, Verne had to write and sell stories.

为了维持生计，凡尔赛不得不写小说。

4.　　　  By taking the scientific developments of his day one step further, Verne laid the foundation of modern science fiction.

通过将他所处的时代的科学发展向前推进一步，凡尔赛奠定了现代科幻小说的基础。

5.　　　  In their efforts to survive, they find themselves on the surface of the monster itself, which turns out to be a submarine.

他们在努力求生时，却发现自己就在这头怪兽的身体表面，结果这个怪兽竟然是一艘潜水艇。

6.　　　  They were taken on board and captain Nemo decides not to kill them but make them his permanent guests.

他们被带上了潜水艇，尼莫舰长决定不杀害他们，而把他们作为他们的永久客人。

7.　　　  All that is needed for life on board comes from the ocean.

船上的一切生活生活必需品都来自海洋。

8.　　　  Dressed in diving suits, Captain Nemo and his guests walk around in this magic world, lighted by the lamps of the ships.

他们穿着潜水服行走在这神奇的世界里，船上的灯光为他们提供照明。

9.　　　  They find themselves surrounded by colourful rocks, fishes, seashells and plants, all waving and moving slowly in the blue waters.

他们发现自己的周围尽是五彩缤纷的岩石、鱼儿、海贝和水生植物。

10.　　 He cries about the lost lives of people drowned in ships that have sunk.

他为那些因沉船而丧生的人而痛哭。

11.　　 In the end, their raft is drawn into a fast stream and with ever increasing speed they are shot out of a volcano in southern Italy.

最后，他们的小筏子被卷进一条湍急的小溪，随着逐步加快的速度和逐步升高的气温，他们从意大利南部的一座火山中被抛射出来了。

12.　　 I read all the books I could find that threw light upon these matters.

我读了所有我能找到并能说明这些情况的书籍。

13.　　 I found all that was taught at university very disappointing.

我发现大学里教的课程都令人失望。

14.　　 One of the phenomena that attracted my attention was the structure of the human body and any animal that was alive.

引起我注意的现象之一就是人体的结构和活着的动物。

15.　　 Although I knew how to create life, how to prepare a body for it with all its muscles and organs still remained a difficult job.

尽管我知道为何创造生命，但是如何为生命准备一个具有肌肉和各种器官的躯体仍然是一项艰巨失望工作。

Unit13 The water planet

1.　　　  Put one hand on the paper and turn the glass upside down.

把一只手放到纸上，把玻璃杯倒置过来。

2.　　　  Life in the oceans ranges from the tiniest plankton all the way up to giants like sharks and whales.

海洋里的生物从微小的浮游生物到巨大的动物，如鲨鱼和鲸鱼。

3.　　　  Water is actually quite simple, but the way the water molecule is formed gives water its unique properties.

水实际上是很简单，但水分子的结构方式却赋予水独特的性质。

4.　　　  What is it that makes the ocean such a great place to live?

是什么使海洋有如此大的生存空间？

5.　　　  The two hydrogen atoms form a polar molecule, that is, one with a slightly positive end and one with a slightly negative end.

两个氢原子形成一个极性微粒，这就是说，一个极稍微偏正，另一个极稍微偏负。

6.　　　  Because water is polar, it can break down both solids and gases.

因为水是极性的，因此它能分解固体和气体。

7.　　　  The nutrients in whatever falls into ocean will quickly become available to other living creatures.

通过任何渠道进入到海洋的营养物质都能很快被其他生物所利用。

8.　　　  Marine animals and plants take advantage of the density of water.

海洋动物和植物利用了水的密度的特性。

9.　　　  The circulation adds energy to the marine ecosystems and moves nutrients around.

这种循环使海洋生态系统增加了能量，从而使营养物质向四周移动。

10.　　 Water can absorb and give off a lot of heat without big changes in temperature, thus creating a stable environment.

水可以吸收或放出大量的热量而其温度不会变化很大，因此，能创造一个稳定的环境。

11.　　 Most animals and plants are sensitive to large or sudden changes in temperature.

　 大多数的动物和植物对温度的大的或突然的改变非常敏感，

12.　　 The most important thing we can learn about water, however, is that we must protect it and use it wisely.

然而，我们了解于水的最重要的事情是：我们必须好好保护并明智地利用它。

13.　　 Our future depends on it.

我们的未来取决于它。

14.　　 Scientists and students have endless opportunities to study a variety of life in the habitat.

科学家和学生有无限的机会在这块动物栖息地进行各种各样的生物研究。

15.　　 Estuaries also contribute to economy through tourism and fishing.

河口还为人类提供了休闲和教育的场所。

短文改错
A man works in a factory and get his pay at 1._____ 
the end of week. One Saturday he got his pay 2. _____
then counted the money. Suddenly he found that 3. ________
it was wrong：there were five pounds much than 4. _______
he should get. He had put the money in his 5. ____
pocket and said nothing with others. A week 6._____ 
went by and it was pay day too. But this time 7. ______
there were five pounds less instead of. He was 8._______ 
so angry and he went to see the boss. The boss 9. _______
said to him. “Didn't you notice there was a 10. ________
mistake last week? For one mistake, I can shut my eyes, but for two mistakes, no, I can't.”

改错 1.get 改为 gets 　　 2. week 前加 the / every / each 　　　3. then 改为 and
4. much 改为 more 　　 5. 去掉 had 　　 6. with 改为 to 　　7. too 改为 again
8. 去掉 of 　　　9. and 改为 that 　　 10.√