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       It was a bright Saturday morning in the late fall. I had stopped at a café to enjoy a cup of coffee and__1__ the morning newspaper. Suddenly, I__2__ a hand on the back of my jacket and heard someone say, “Hey Steve! How ya doin’?”

       __3__ up, I saw a boy wearing a mechanic’s uniform worn by employees of the gasoline station next to the café. He looked__4__, but, at first, I was unable to__5__ where we had met.

       He also held a cup of coffee, so I asked him to join me. Very soon, his__6__ and probably my coffee began to thaw(解凍) out my__7__.

       Five years earlier, he had been traveling home late on a February night. A fierce__8___ had arrived that afternoon, and by midnight, the snowdrifts were getting__9___. He recalled__10__ a drift just down the road from my house.

       He had walked to my house for__11__. I had taken my pickup and a tow-rope and__12__ his car out of the snowdrift and up to the highway where maintenance(維護(hù)) trucks had__13___ away the snow.

       This has been a__14__ occurrence here during the winter. I cannot__15__ the times someone has also pulled my car from a snowdrift.

       ___16__, it was an unforgettable experience for him, and his memory of our unexpected meeting in a snowstorm__17__ my entire day.

       Leo Buscaglia wrote, “Too often we underestimate(低估) the__18_ of a touch, a smile, a kind word, a listening ear, an honest compliment(贊揚(yáng)), or the smallest act of__19__, all of which have the potential to turn a__20__ around.”

1. A. preview  B. scan           C. order         D. buy

2. A. noticed   B. got            C. caught        D. felt

3. A. Looking B. Standing    C. Rising        D. Glaring

4. A. sensitive B. friendly             C. familiar             D. grateful

5. A. reflect    B. determine   C. regain        D. recall

6. A. story             B. experience  C. appearance D. greetings

7. A. heart             B. feeling              C. memory            D. wonder

8. A. sandstorm      B. snowstorm  C. hurricane    D. rainfall

9. A. high              B. slippery             C. thin           D. deep

10. A. blocking      B. hitting        C. knocking    D. crashing

11. A. help            B. advice        C. emergency  D. shelter

12. A. pulled  B. dragged             C. pushed              D. dug

13. A. collected      B. cleared              C. threw         D. melted

14. A. basic    B. common            C. forgettable  D. practical

15. A. count   B. keep          C. master        D. predict

16. A. Besides B. Therefore   C. However    D. Otherwise

17. A. covered       B. influenced  C. brightened  D. filled

18. A. meaning      B. relation             C. value         D. power

19. A. caring  B. offering            C. sharing              D. forgiving

20. A. course  B. fate            C. truth          D. life

　 When I was a little boy, I would play outside for hours on sunny summer days and then have a deep and peaceful sleep at night. Sometimes, I'd have some vivid dreams, making

me 36　 for a moment. I would stare out into the darkness to see if anything was there and

then 　37　 over and go back to sleep. I can still remember a few times when I woke

up,　 38　 out into the darkness, and actually 39　 someone there. It was

Mom 　40　 over me as I slept. Each time she 　41　 told me to go back to sleep and I closed my eyes again, feeling 　42　 and loved.

I 　43 asked Mom why she watched me sleep from time to time,

but 　44　 seeing my own children 　45　 so fast, I think I know why. She wanted to catch a moment in time and 　46　 it in her heart forever. I just 　47　 that she carried a lot of those moments with her into Heaven when she 　48　 at only 55.

　 Last night I was sleeping lightly 　49　 I suddenly felt someone near me. I opened my eyes and saw Mom’s 　50　 standing in the room, smiling at me. And then she was gone.

Now 51　 may say that this was just a dream, a wish or part of an old 　52　 . To me, though, it was 　53　 that Mom’s loving spirit was still watching over me. To me, it was evidence enough to know that one day I would be 　54　 with her and everyone I have ever loved.

　 Trust in their love. Know that your own life can be full of 　55　 , too. Then joyfully go out and live it with a brave heart and a smiling soul.　 　　　

36. A. excited　　　　　　　 B. afraid　　　　　　 C. worried　　　　　　　　 D. awake　　　

37. A. take　　　　　　　　　 B. roll 　　　　　　　　　　　 C. look　　　　　　　　　　　 D. climb　　　

38. A. went　　 　　　　　 B. burst　　　　　　　　　　 C. looked 　　　　　　　　 D. found　

39. A. met　　　　　　　　　 B. saw 　　　　　　　　　　 C. expected　　　　　　　　 D. dreamed　　

40. A. watching　　　　　　 B. treating　　　　　　　　　 C. helping　　　　　　　　　 D. sitting　

41. A. angrily　　　　　　　 B. gladly　　　　　　　　　　 C. silently　　　　　　　　　 D. gently

42. A. quiet B. nervous　　　　　　　　 C. safe D. anxious　　　　　　

43. A. never　　　　　　　　 B. often　　　　　　　　　　 C. sometimes D. seldom　　　

44. A. before　　　　　　　　 B. after　　　　　　　　　　　 C. since D. for　

45. A. bring up　　　　　　 B. raise up　　　　　　　　 C. lift up　　　　　　　　　　 D. grow up　

46. A. hold　　　　　　　　　 B. remove　　　　　　　　　 C. find　　　　　　　　　　　 D. cover　

47. A. decide　　　　　　　　 B. hope　　　　　　　　　　　 C. wonder　　　　　　　　 D. remember　

48. A. ran away　　　　　　 B. put away　　　　　　　 C. passed away　　　　　 D. took away　

49. A. when　　　　　　　　 B. while　　　　　　　　　　 C. after　　　　　　　　　　　 D. before　

50. A. body　　　　　　　　　 B. figure 　　　　　　　　　 C. shape　　　　　　　　　　　　　 D. shadow　

51. A. all　　　　　　　　　　　 B. none　　　　　　　　　　　 C. some 　　　　　　　　　 D. any　　

52. A. dream　　　　　　　　 B. wish　　　　　　　　　　　 C. story　　　　　　　　　　 D. memory　

53. A. proof　　　　　　　　 B. time　　　　　　　　　　　 C. chance　　　　　　　　　 D. belief　

54. A. reunited 　　　　　　 B. buried　　　　　　　　　　 C. connected　　　　　　　 D. joined　

55. A. hope　　　　　　　　　 B. joy　　　　　　　　　　　　 C. love　　　　　　　　　　　 D. surprise　

Antidepressant（抗憂郁）drugs such as Prozac were viewed in the early 1900's as wonder pills that would remove depressive blues for good. But in the past five years, growing scientific evidence has shown these drugs work for only a minority of people. And now a research journal says that these antidepressants can make many patients' depression worse. This alarming suggestion centres on the very chemical that is targeted by antidepressants-serotonin（血清素）. Drugs such as Prozac are known as selective serotonin re-uptake inhibitors（or SSRIs）. Their aim is to increase the level of this  “feel-good” chemical in the brain.

But the new research, published in the journal Frontiers In Evolutionary Psychology, points out that serotonin is like a chemical Swiss Army knife, performing a very wide range of jobs in the brain and body. And when we start changing serotonin levels purposely, it may cause a wide range of unwanted effects. These can include digestive problems and even early deaths in older people, according to the study's lead researcher Paul Andrews. “ We need to be much more cautious about use of these drugs,” says Andrews, an assistant professor of evolutionary psychology at McMaster University in Ontario, Canada.

Previous research has suggested that the drugs provide little benefit for most people with mild depression, and actively help only a few of the most severely depressed. Famous psychologist Irving Kirsch has found that for many patients, SSRIs are no more effective than a placebo pill. A research in 2010 on Danish children found a small, but significant, increase in the risk of heart problems among babies whose mothers had used SSRIs in early pregnancy. The key to understanding these side-effects is serotonin, says Andrews. Serotonin is also the reason why patients can often end up feeling still more depressed after they have finished a course of SSRI drugs. He argues that SSRI antidepressants disturb the brain, leaving the patient an even greater depression than before.

“After long use, when a patient stops taking SSRIs, the brain will lower its levels of serotonin production,” he says, adding that it also changes the way receptors in the brain respond to serotonin, making the brain less sensitive to the chemical. These changes are believed to be temporary, but studies indicate that the effects may continue for up to two years.

Most disturbingly of all, Andrews' review features three recent studies which, he says , show that elderly antidepressant users are more likely to die earlier than non-users, even after taking other important variables into account. One study, published in the British Medical Journal last year, found patients given SSRIs were more than 4 per cent more likely to die in the next year than those not on the drugs.

“Serotonin is an ancient chemical,” says Andrews. “It is regulating many different processes, and when you disturb these things, you can expect that it is going to cause some harm.”

Stafford Lightman, professor of medicine at the University of Bristol, and a leading UK expert in brain chemicals and hormones, says Andrews’ review highlights some important problems, yet it should also be taken with a pinch of salt. “This report is doing the opposite of what drug companies do,” he says. “Drug companies selectively present all the positives in their research, while this search selectively presents all the negatives that can be found. Nevertheless, Andrews' study is useful in that it is always worth pointing out that there is a downside to any medicine. ” Professor Lightman adds that there is still a great deal we don't know about SSRIs-not least what they actually do in our brains.

When it comes to understanding why the drugs work only for a limited part of patients, U.S.  scientists think they might now have the answer. They think that in many depressed patients, it’s not only the lack of feel-good serotonin causing their depression, but also a failure in the area of the brain that produces new cells throughout our lives. This area, the hippocampus, is also responsible for regulating mood and memory. Research suggests that in patients whose hippocampus has lost the ability to produce new cells, SSRIs do not bring any benefit.

1.According to paragraph 2, serotonin, like a chemical Swiss Army knife, can             .

A. make many patients' depression worse

B. cause a wide range of unwanted effects

C. affect human body and brain in various ways

D. provide little benefit for most depressed people

2.In Stafford Lightman's opinion,                     .

A. drug companies don't know the negative effect of antidepressants

B. Andrews focused on different things from the drug companies

C. scientists have found what SSRIs do in the brain

D. Andrews' research has no medical value

3.Which of the following is TRUE about SSRIs?

A. They are used to increase the “feel-good” medical in the brain.

B. They can work even when the hippocampus can't produce new cells.

C. They create a risk of heart problems in pregnant women.

D. They are responsible for controlling mood and memory.

4.What is the text mainly about?

A. The aim of drug companies

B. The function of SSRIs

C. The side-effects of antidepressants

D. The cause of depression