Not all memories are sweet. Some people spend all their lives trying to forget bad experiences. Vi??olence and traffic accidents can leave people with terrible physical and emotional scars. Often they relive(重温) these experiences in nightmares.                       

Now American researchers think they are close to developing a pill, which will help people forget bad memories. The pill is designed to be taken immediately after a frightening experience. They hope it might reduce, or possibly erase the effect of painful memories.

In November, experts tested a drug on people in the US and France. The drug stops the body re??leasing chemicals that fix memories in the brain. So far the research had suggested that only the emo??tional 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 (精神病学) at Harvard Medical School. "This could relieve(减缓) 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 all avoid the mistakes of the past. “All of us can think of bad events in our lives that were horrible at the time but make us who we are. I'm not sure we’d want to wipe those memories out.” said Rebecca Dresser, a medical ethicist (伦理学家).

Some people fear that although the drug would first be used in only very serious cases, it would be??come more and more common.“People always have the ability to misuse science,” said Joseph LeDoux, a New York University memory researcher. “All we want to do is help people have better control of memories.”

The underlined word “it” in paragraph 4 refers to “_____.”

A. the new drug                       B. the research into the drug

C. the memory                        D. the chemical in the drug

Which of the following is Not the opinion of the supporters?

A.The pill can erase all the memories in the past.

B.Some memories can ruin people's life. The pill can relieve emotional suffering.

C. The pill can also help many other types of people who suffer from terrible memories.

D. The pill can prevent or treat troubling memories in soldiers after war.

Which of the following is Not the opinion of the opponents (反对者) ?

A. Our memories give us our identity.

B. The memories help humanity avoid mistakes of the past.

C. The drug should be used in only very serious cases.

D. People may not be sure whether they want to wipe the memories out.

Which of the following statements might be the main idea of the text?

A. People often suffer from bad memories.   

 B. The nightmares are terrible.

C. Forget bad memories and be happy.

D. The research has caused a heated argument.

  完型填空(共20小题;每小题1分,满分20分)

阅读下面短文,掌握其大意,然后从36—55各题所给的四个选项(A、B、C、D)中,选出最佳选项,并在答题卡上将该项涂黑。

Dear son,

The day that you see me old and I am already not in good health, have patience and try to understand me.

If I get dirty when eating, if I can not dress, have patience and remember the hours I   36   teaching it to you. If, when I speak to you, I   37   the same things thousand and one times, do not   38   me, listen to me. When you were small, I had to read to you thousand and one times the same story   39   you got to sleep. When I do not want to have a   40  , neither shame me nor scold me. Remember when I had to chase you with thousand excuses I   41  , in order that you wanted to bathe. When you see my   42   little about new technologies, give me the necessary time and do not look at me with your mocking(嘲弄) smile. I taught you   43   to do so many things: to eat good, to dress well, to confront life…. When at some moment I lose the memory or the   44   of our conversation, let me have the necessary time to remember, and if I cannot do it, do not become nervous, as the most important thing is not our conversation but surely to be with you and to have you   45   to me.

If ever I do not want to eat, do not force me. I know well   46   I need to and when not. When my   47   legs do not allow me to walk, give me your   48  , the same way I did when you gave your first   49  . And when someday I say to you that I do not want to   50   any more ---- that I want to rest forever, do not get angry. Someday you will understand.

Try to understand that my age is not lived but survived. Some day you will discover that,  51   my mistakes, I always wanted the   52   thing for you and that I tried to prepare the way for you. You must not feel sad, angry or impotent(无可奈何) for seeing me   53   you. You must be next to me, try to understand me and to help me as I did it when you   54   living. Help me to walk, help me to end my way with love and   55  . I will pay you by a smile and by the immense love I have had always for you.

I love you, Son.

Your father

36. A. paid            

B. spent

C. cost

D. took

37. A. praise

B. think

C. repeat

D. criticize

38. A. interrupt

B. disturb

C. look

D. avoid

39. A. when

B. after

C. since

D. until

40. A. rest

B. word

C. shower

D. sleep

4l. A. discovered

B. invented

C. noticed

D. assumed

42. A. knowing

B. fearing

C. enjoying

D. consulting

43. A. what

B. when

C. how

D. why

44. A. news

B. attitude

C. material

D. thread

45. A. talking

B. listening

C. responding

D. appealing

46. A. where

B. how

C. that

D. when

47. A. tired

B. short

C. long

D. strong

48. A. leg

B. ear

C. hand

D. mind

49. A. step

B. pace

C. laugh

D. cry

50. A. talk

B. live

C. write

D. sleep

51. A. though

B. since

C. while

D. despite

52. A. last

B. first

C. best

D. most

53. A. near

B. behind

C. below

D. against

54. A. made

B. started

C. earned

D. found

55. A. mercy

B. care

C. excuse

D. patience

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