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emotional effects of memories may be reduced, not that the memories are erased.

The research has caused a great deal of argument. Some think it is a bad idea, while others support it. Supporters say it could lead to pills that prevent or treat soldiers' troubling memories after war. They say that there are many people who suffer from terrible memories.

“Some memories can ruin people's lives. They come back to you when you don't want to have them in a daydream or nightmare. They usually come with very painful emotions,” said Roger Pitman, a professor of psychiatry at Harvard Medical School.“This could relieve a lot of that suffering.”

But those who are against the research say that changing memories is very dangerous because memories give us our identity. They also help us avoid the mistakes of the past.

“All of us can think of bad events in our lives that were horrible at the time but they can make us who we are. I'm not sure we want to wipe those memories out,” said Rebecca Dresser ,a medical ethicist.

16. The drug tested on people can ______. A. help cure brain damage B. stop people remembering bad experiences C. stop the body producing certain chemicals D. wipe out the emotional effects of memories

17. According to the supporters of the pills, ______. A. the pills might relieve people of troubling memories B. the pills could help people avoid mistakes C. taking the pill will do harm to people’s health D. the pills should be produced in American soon

18. The word “they” (Para.6) refers to ______. A. the researchers B. the people on test C. memories D. mistakes

19. Which of the following does Rebecca Dresser agree with? A. Some memories can ruin people’s lives. B. People want to get rid of bad memories. C. Experiencing bad events makes us different from others. D. The pill will reduce people’s sufferings from bad memories.

20. The passage is mainly about ______.

A. an argument about the research on the pill B. a new research on the pill

C. a way of deleting painful memories D. a new medical invention

Part II Vocabulary and Structure （共40小题，每小题1分，共40分）

Directions: There are 40 incomplete sentences in this part. For each sentence there are 4 choices

marked A, B, C and D. Choose the ONE that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the center.

21. The patient was warned ______ oily food after the operation, but he wouldn’t listen. A. to eat not B. eating not C. not to eat D. not eating

22. Feeling something wrong with our car, we pulled over. Not until then ______ it had been

badly damaged. A. did we find B. found we C. we found D. we did find

23. The girl was so ______ at her father’s decision about her marriage that she had a bitter quarrel

with him.

A. disappointing B. disappointed C. delighted D. exciting

24. I don’t think you can work out the maths problem ____the teacher’s help. A. without B. unless C. because D. since

25. If you are unable to attend the meeting, for ______ reason, you should inform us in advance. A. whatever B. wherever C. however D. whoever

26. ______he will enter the speech contest has not been decided yet. A. If B. That C. Whether D. Which

27. --- I must apologize for ______ the meeting ahead of time. --- That’s all right.

A. letting you not know B. not letting you know C. letting you know not D. letting not you know

28. My son seemed not to have understood what I meant, ______really upset me. A. that B. it C. what D. which

29. We came early and had to wait for one hour before the wedding ceremony began. We ______. A. should not hurry B. need not have hurried C. must not have hurried D. need not hurry

30. There ______ no money left for our project, we had to change our plan. A. being B. had

C. were D. are

31. It was not until she had arrived home ______ she remembered her appointment with the

doctor. A. that B. and C. which D. then

32. He had decided to buy a newly made car, so he sold his old car ______ only 500 dollars. A. with B. on C. by D. for

33. The teacher of physical education told us that the football match ______ if it rained. A. will be put off B. would be put off C. would put off D. will put off

34. It is generally believed that ______ exercise you do, the healthier you will become. A. much more B. the much C. much D. the more

35. Many children think that if there were not so many examinations, they should have ______ at

school.

A. the most happiest time B. a more happier time C. much happy time D. a much happier time

36. While ______ the mountain area, all the men carried guns lest they should be attacked by wild

animals. A. crossing B. crossed C. they cross D. to cross

37. ______ our great relief, his illness was not so serious as we had thought. A. In B. With C. At D. To

38. If he were you, he ______ take the task that you are unwilling to do.. A. will B. can C. would D. must

39. The middle aged woman rushed to the bus station only ______ that the last bus had gone. A. finding B. to find C. found D. finds

40. Busy as she was, she made ______ her duty to help her old neighbors. A. this B. that C. one D. it

41. It is urgent to find an ______ secretary since the general manager is getting busier than before. A. effective B. efficient C. affect D. effect

42. Experts advise that parents should develop a sense of ______ in their children A. intelligence B. indifference C. reaction D. responsibility

43. The present policy in China has ______ further co-operation with many other countries. A. elected B. entertained C. entered D. enabled

44. Fortunately, the new government has made great ______ to fight against the official

corruption. A. translation B. temperature C. determination D. claim

45. When businessmen first meet, they often ______ their cards with personal information for

further contact. A. exchange B. touch C. change D. ignore

46. The purpose of this article is to draw ______ to the problems faced by single parents. A. satisfaction B. attention C. competition D. emotion

47. He is late for class with all kinds of excuses, but today he is ______ excuses. A. sorry for B. curious about C. short of D. keen on

48. The ______ of private cars in our country has been rising dramatically these years. A. amount B. number C. same D. score

49. ______ pets is an emotional journey which helps people to connect with and react to the

world.

A. Putting off B. Carrying out C. Caring for D. Passing away

50. Two-thirds of young people go to bed with their phones nearby, for they’re afraid they’ll

______ something important. A. miss B. have C. cancel D. pass