正文：
选修七Unit 3 Under the sea
第一部分：知识巩固
第一题：翻译下列短语，然后用正确的形式将它们填入适当的句子中。
短语专练
I.翻译短语
1．扯进来：赚得 ________________ 2．在远处 __________________
3．帮助(摆脱困境) ________________ 4．一群 ___________________
5．正要做某事 __________________ 6．吓死了 __________________
7．仔细考虑 ____________________ 8．意识到 __________________
9．与此同时，在此期间 ______________ 10．颠倒 _________________
Ⅱ. 用I部分中短语的适当形式填空
11. It was several minutes before I ___________ what was happening.
12. I'll call you when he comes. _________________ , I must give you something to do.
13. The plane turned over and flew ____________ .
14. I made out three figures moving ______________ .
15. _____________ angry shoppers demanded their money back.
16. He was sure there was a great future _________________ me.
17. We need to ____________ a lot more new business.
18. I______________ when I saw the horrible face.
第二题：单词拼写
1. This material absorbs the sound, and doesn't r_________ it.
2. The gate is n_____________ than a car; we'll have to walk through.
3. Is this garment made of p________ wool, or of wool mixed with nylon(尼龙).
4. Hearing that the famous star was about to appear, the fans y__________ and cheered.
5. We hope to have an income of an average a_________ growth rate of 10%.
6. The escaped prisoner was _____________ (拉) out of the cave.
7. Gina's ____________ (语言) is so sharp that it will get her into trouble one day.
8. He told us some amusing _________ (轶事) of the President's childhood.
9. They had an ____________ (令人敬畏的) task ahead.
10. Human brains contain more than 100 million __________ (细胞) per cubic (立方) centimeter.
第三题：语法专练
1. Please excuse my ________ in without ________ .
A. come; asking B. coming; asking
C. to come; being asked D. coming; being asked
2. No one can prevent the plan __________ .
A. from carrying out B. to be carded out
C. being carded out D. to carry out
3. The bird was lucky that it just missed __________ .
A. catching B. being caught
C. to be caught D. to catch
4. Most of the artists _________ to the party were from South Africa.
A. invited B. to invite
C. being invited D. had been invited
5. __________ to sunlight for too much time will do harm to one's skin.
A. Exposed B. Having exposed
C. Being exposed D. After being exposed
6. He has always insisted on his ________ Dr. Turner instead of Mr. Turner.
A. been called B. being called
C. having called D. called
7. While shopping, people sometimes can't help _______ into buying something they don't ________ really need.
A. to persuade B. persuading
C. being persuaded D. be persuaded
8. Little Jim should love ________ to the theatre, but his father refused him because it was late.
A. to be taken B. to take
C. being taken D. taking
9. The well was found __________ when we got there.
A. digging B. to be dug
C. to dig D. being dug
10. __________ in the mountains for a week, the two students were finally saved by the local police.
A. Having lost B. Lost C. Being lost D. Losing
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第二部分：单元测试
考试时间 （60分钟）
第一大题 单项选择题（15小题，共30分）
从A、B、C、D 四个选项中，选出可以填入空白处的最佳选项。
知识运用
I.单项选择
1. -- Oh, dear! I've broken a window.
--_______ . It can't be helped.
A. Never mind B. All right
C. That's fine D. No at all
2. He felt that he_______ the coldness that had grown between them.
A. was blamed to B. was to blame for
C. was to be blamed for D. blamed
3. It was a time_______ the killer whales helped the whalers catch the baleen whales.
A. when B. that C. then D. which
4. The conference will begin in an hour; ________ , let's have a rest.
A. on the meantime B. in the meantimes
C. in the meantime D. in meanwhile
5. That's the best way to ________ into the dangerous area.
A. get people get B. stop people to get
C. keep people getting D. prevent people getting
6. If we would throw ourselves, heart and soul,_______ our studies, we should eventually get good result.
A. out of B. out C. into D. on
7. She was scared _______ when hearing the sound of explosion.
A. to death B. death C. of death D. with death
8. Chinese, as most people think, is the most beautiful ________ in the world.
A. word B. voice C. sound D. tongue
9. After the war, a new school building was put up ________ there had once been a theatre.
A. that B. where C. which D. in which
10. A fast food restaurant is the place ________ , just as the name suggests, eating is performed quickly.
A. which B. where C. there D. what
11. We visited the factory ________ makes 80 percent of the toys in the city.
A. where B. there C. in which D. which
12. -- You've left the light on.
-- Oh, I have. ________ and turn it off.
A. I'll go B. I've gone C. I go D. I'm going
13. -- What are you going to do this afternoon?
-- I am going to the cinema with some friends. The film ________ quite early, so we __________ to the bookstore after that.
A. finished; are going B. finished; go
C. finishes; are going D. finishes; go
14. -- Did you have a good time at the party?
-- Thanks. I appreciated _________ to your home.
A. to be invited B. being invited
C. to have invited D. having invited
15. _________ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.
A. Being separated B. Having separated
C. Having been separated D. To be separated
第二大题 完形填空 （20小题， 共30分）
Pearls(珍珠) are valuable white gems (宝物) which come from the ocean. Actually they are 16 by oysters, small shell fish that live on the 17 of the ocean.
18 oysters（牡蛎，蚝） will make pearls; not all oysters produce them. Oysters produce pearls only when they are 19 by sand. If a 20 of sand enters the oyster's 21 , the oyster becomes hurt because the 22 grain of sand irritates(使…… 不适，刺激) the smooth, soft skin of the oyster. The oyster tries to 23 itself by producing a white 24 that looks like milk. The oyster covers the 25 with a milky fluid. The fluid protects the oyster. Later the white liquid become 26 . This hardened liquid forms a shell, or bead, around the sand. At this time a pearl is beginning to 27 .
The white pearl grows 28 inside the oyster's shell. 29 , it takes about six or seven years for the oyster to produce a pearl. Not all oysters produce pearls 30 most oysters sometimes take sand into their 31 . Only sand which the oyster cannot get rid of will 32 it. In other words, if an oyster "swallows" some sand, it will manage to "spit it out". If the oyster cannot get rid of the 33 , then it will produce the white fluid to 34 itself. Actually, only about one in a thousand oysters will produce a pearl; that is, 35 than one percent.
16. A. invented B. brought C. produced D. caused
17. A. bottom B. base C. floor D. ground
18. A. Only some B. Only few C. All of D. A lot of
19. A. harmed B. covered C. destroyed D. injured
20. A. piece B. grain C. little D. bit
21. A. shell B. body C. eyes D. back
22. A. hard B. vivid C. sharp D. rough
23. A. prevent B. defend C. protect D. guard
24. A. water B. matter C. liquid D. object
25. A. injury B. shell C. sand D. pearl
26. A. bright B. hard C. strong D. pure
27. A. make B. produce C. do D. form
28. A. slowly B. fast C. safely D. quickly
29. A. Often B. Actually C. Usually D. Sometimes
30. A. even though B. in case C. so long as D. only if
31. A. bodies B. shells C. bottoms D. caves
32. A. destroy B. irritate C. soft D. open
33. A. sand B. shell C. milk D. liquid
34. A. cover B. destroy C. produce D. protect
35. A. fewer B. more C. less D. smaller
第三题 阅读理解（10小题，共20分）
A
For years, doctors advised their patients that only thing taking multivitamins (复合维生素) does is to give them expensive urine(尿). After all, true vitamin deficien¬cies (shortage) are practically unheard of in industrialized countries. Now it seems those doctors may have been wrong. The result of a growing number of studies suggest that even a modes vitamin shortfall can be harmful to your health. Although proof of the benefits of multivitamins is still far from certain, the few dollars you spend on them is probably a good investment (投资). Or at least that's the argument put for¬ward in the New England Journal of Medicine. Ideally, say Dr. Walter Willett and Dr. Meir Stampfer of Harvard, all vitamin supplements would be evaluated in scientifical¬ly rigorous clinical trials (testing period). But those studies can take a long time and often raise more questions than they answer. At some point, while researchers work on figuring out where the truth lies, it just makes sense to say the potential (潜在的) benefit outweighs the cost.
The best evidence to date concerns foliate, one of the Bvitamins. It's been proved to limit the number of defects in embryos (胚胎), and a recent test found that folate in combination with vitamin B12 and a form of B6 also decreases the reblockage of ar¬teries after surgical repair.
The news on vitamin E has been more mixed. Healthy folks who take 400 inter¬national units daily for at least two years appear somewhat less likely to develop heart disease. But when doctors give vitamin E to patients who already have heart disease, the vitamin doesn't seem to help. It may turn out that vitamin E plays a role in pre¬vention but cannot undo serious damage.
Despite vitamin C's great popularity, consuming large amount (数量) of it still has not been positively linked to any great benefit. The body quickly absorbs(吸收) C and simply excretes (排泄)any excess.
The multivitamins question boils down to this: Do you need to wait until all the evidence is in before you take them, or are you willing to accept that there's enough evidence that they don't hurt and could help?
If the latter there's no need to go to extremes and buy the biggest horse pills or the most expensive bottles. Large doses(剂量) can cause trouble, including excessive (extreme) bleeding and nervous system problems.
Multivitamins are no substitute for exercise and a balanced diet, of course. As long as you understand that any potential benefit is modest and subject to further re¬finement, taking a daily multivitamin makes a lot of sense.
36. At one time doctors discouraged taking multivitamins because they believed that multivitamins _________ .
A. were too expensive for daily consumption
B. were potentially harmful to people's health
C. could not easily be absorbed by the human body
D. could not provide any cure for vitamin deficiencies
37. According to the author, clinical trials of vitamin supplements _________ .
A. often result in misleading conclusions
B. take time and will not produce conclusions
C. appear to be a pure waste of time and resources
D. should be conducted by scientists in some other ways
38. It has been found that vitamin E _________ .
A. can effectively help cure heart disease
B. should be taken by patients regular and directly
C. has a preventive but not curative effect on heart disease
D. should be given to patients with heart disease as early as possible
39. It can be seen that large doses of multivitamins __________ .
A. may cause serious side effects
B. may help prevent excessive bleeding
C. are likely to increase the blockage of arteries
D. are advisable for those with vitamin deficiencies
40. The author concludes the passage with the advice that
A. people benefit more from daily multivitamins than a balanced diet
B. people should expect multivitamins to be used to cure diseases
C. it's risky to take multivitamins without listening to the doctors
D. it's reasonable to take a proper amount of multivitamins daily
B
What do you see from a handful of seeds? Some see green plants, some see blooming flowers, or just seeds. But one group of Shanghai students saw an opportu¬nity to make money.
Eight students from No 2 Secondary School Attached to East China Normal Uni¬versity started a virtual company selling different seeds and seed products. They successfully sold 28 pictures pasted with different seeds at a campus auction a week a¬go. The company, which has recruited around 20 student staff members, has earned over 2000 yuan in the past three months.
"We donated part of the money to a poor school in the countryside of Anhui Province. It's great to realize our ideal of ‘spreading love and culture with seeds’ after many tests and lots of hard work," said Senior 2 Shi Chen, CEO of the compa¬ny.
Just like any other company, Shi's didn't develop smoothly. Shi and her young colleagues used to sell fresh flowers and old books, and later found seeds might be something that their company could engage in. They bought seeds of various plants and flowers at low prices from a local farm and sold them in schools or on streets. The creative students also made accessories and pictures with different seeds.
With little business knowledge, the students had to learn new skills as the lead¬ers of different departments, such as public relations (PR), sales and marketing. They persuaded a joint Sino-French company near their school to give them training in business management. They also asked some local businessmen to act as their consul¬tants.
"They helped us overcome our shyness. We also learned quite a lot of business theory. I found communication skills and teamwork are very important for my job," said Senior 1 Qian Yifei.
The 16-year-old was elected as PR manager thanks to her talent for speaking. She is also in charge of after sales service, dealing with complaints and providing suggestions.
As the head of the company, CEO Shi has a lot more to think about. First of all, she has to learn how to make her colleagues work efficiently as the company only opens at weekends due to all their studies. So she established a system to evaluate every one's performance, in terms of punctuality, efficiency, profits knowledge and so on.
"It makes the company more formal," she said.
41. At a campus auction a week ago, they ________ .
A. sold 28 green plants with different flowers
B. sold 28 seeds pasted with different pictures
C. sold 28 pictures pasted with different seeds
D. sold 28 flowers pasted with different pictures
42.What is the purpose of opening the company?
A. To earn money for their education fees.
B. To spread love and culture with seeds.
C. To see whether they can open a company.
D. To collect money to open a Hope School.
43.What does the word "it" (in the last paragraph) refer to?
A. Selling seeds.
B. To have a person as CEO.
C. Every colleague' s performance.
D. To make her colleagues work efficiently.
44. According to Qian Yifei, what matters most in dealing with public relations? A. Communication skills and teamwork.
B. Creative and critical thinking.
C. Educational background.
D. Business theories.
45.What can we learn from the passage?
A. The company is owned by 8 students.
B. The company is over-night successful.
C. The company gets a lot of help from others.
D. The company sells old books and fresh flowers.
Ⅲ单句翻译 (10小题，共20分)
46．我希望上医学院，这期间，我打算学化学。(in the meantime)
47．他突然意识到他对英语的了解相当肤浅。(be aware，shallow)
48．我们有可能捉前完成这项任务。(ahead)
49．喜欢坐哪儿，就坐哪儿。(where)
50．她们突然意识到有些人在瞧着这她们
51．许多报纸都反映了儿童们的看法。
52．纯粹是偶然机会, 他在一家小书店看到这本他所需要的稀有的书。
53．为什么他总是逃避责任呢？
54． 窃贼把屋子翻了个底朝天。（乱七八糟）
55． 深圳是中国南海岸的一座城市。
参考答案
知识巩固
第一题
1. bring in 2. in the distance 3. help out 4. a pack of
5. be about to do sth. 6. be scared to death 7. reflect on
8. be/ become aware of/ that 9. in the meantime 10. upside down
11. was aware of 12. in the meantime 13. upside down
14. in the distance 15. A pack of 16. ahead of
17. bring in 18. was scared to death
第二题
单词拼写
1. reflect 2. narrow 3. pure 4. yelled 5. annual
6. dragged 7. tongue 8. anecdotes 9. awesome 10. cells
第三题： 语法专练
1---5 DCBAC 6---10 BCADB
单元测试答案：
I. 1---5 ABACD 6---10 CADBB 11---15 DACBC
16---20 CAABB 21---25 ADCCC 26---30 BDACA 31---35 BBADC
II. 阅读
36---40 CBCAD 41---45 CBDAC
III. 翻译
46．I hope to go to medical college. In the meantime, I am going to study chemistry.
47. He was suddenly aware of his shallow English.或 He was suddenly aware that his English was shallow.
48. We are likely to finish the task ahead of time. 或 It is possible that we can finish the task ahead of time.
49. Please sit where you like.
50. They suddenly became aware of people looking at them.
51. Many newspapers reflect the opinions of the children.
52. By pure chance he found the rare book he needed in a little shop.
53. Why does he always flee any kind of responsibility?
54. The burglars had turned the house inside out.
55. Shenzhen is a city on the south coast of Ireland.
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