2005年6月18日大学英语六级真题(三)

2009-12-16 14:41:31 来源: 网易教育论坛 举报
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Passage Four

Questions 26 to 30 are based on the following passage.

Every fall, like clockwork, Linda Krentz of Beaverton, Oregon, felt her brain go on strike. “I just couldn’t get going in the morning,” she says. “I’d get depressed and gain 10 pounds every winter and lose them again in the spring.” Then she read about seasonal affective disorder, a form of depression that occurs in fall and winter, and she saw the light-literally. Every morning now she turns on a specially constructed light box for half an hour and sits in front of it to trick her brain into thinking it’s still enjoying those long summer days. It seems to work.

Krentz is not alone. Scientists estimate that 10 million Americans suffer from seasonal depression and 25 million more develop milder versions. But there’s never been definitive proof that treatment with very bright lights makes a difference. After all, it’s hard to do a double-blind test when the subjects can see for themselves whether or not the light is on. That’s why nobody has ever separated the real effects of light therapy from placebo(安慰剂) effects.

Until now. In three separate studies published last month, researchers report not only that light therapy works better than a placebo but that treatment is usually more effective in the early morning than in the evening. In two of the groups, the placebo problem was resolved by telling patients they were comparing light boxes to a new anti-depressant device that emits negatively charged ions(离子). The third used the timing of light therapy as the control.

Why does light therapy work? No one really knows. “Our research suggests it has something to do with shifting the body’s internal clock,” says psychiatrist Dr. Lewey. The body is programmed to start the day with sunrise, he explains, and this gets later as the days get shorter. But why such subtle shifts make some people depressed and not others is a mystery.

That hasn’t stopped thousands of winter depressives from trying to heal themselves. Light boxes for that purpose are available without a doctor’s prescription. That bothers psychologist Michael Terman of Columbia University. He is worried that the boxes may be tried by patients who suffer from mental illness that can’t be treated with light. Terman has developed a questionnaire to help determine whether expert care is needed.

In any event, you should choose a reputable manufacturer. Whatever product you use should emit only visible light, because ultraviolet light damages the eyes. If you are photosensitive(对光敏感的), you may develop a rash. Otherwise, the main drawback is having to sit in front of the light for 30 to 60 minutes in the morning. That’s an inconvenience many winter depressives can live with.

26. What is the probable cause of Krentz’s problem?

A) An unexpected gain in body weight.

B) Unexplained impairment of her nervous system.

C) Weakening of her eyesight with the setting in of winter.

D) Poor adjustment of her body clock to seasonal changes.

27. By saying that Linda Krentz “saw the light”(Line 4, Para. 1), the author means that she “         ”.

A) learned how to lose weight

B) realized what her problem was

C) came to see the importance of light

D) became light-hearted and cheerful

28. What is the CURRENT view concerning the treatment of seasonal depression with bright lights?

A) Its effect remains to be seen.

B) It serves as a kind of placebo.

C) It proves to be an effective therapy.

D) It hardly produces any effects.

29. What is psychologist Michael Terman’s major concern?

A) Winter depressives will be addicted to using light boxes.

B) No mental patients would bother to consult psychiatrists.

C) Inferior light boxes will emit harmful ultraviolet lights.

D) Light therapy could be misused by certain mental patients.

30. Which of the following statements is TRUE?

A) Winter depressives prefer light therapy in spite of its inconvenience.

B) Light therapy increases the patient’s photosensitivity.

C) Eye damage is a side effect of light therapy.

D) Light boxes can be programmed to correspond to shifts in the body clock.

Part Ⅲ Vocabulary (20 minutes)

Directions: There are 30 incomplete sentences in this part. For each sentence there are four choices marked A), B), C) and D). Choose the NOE answer that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the centre.

31. Susan has       the elbows of her son’s jacket with leather patches to make it more durable.

A) reinforced                            B) sustained

C) steadied                              D) confirmed

32. Although we tried to concentrate on the lecture, we were         by the noise form the next room.

A) distracted                             B) displaced

C) dispersed                             D) discarded

33. The reason why so many children like to eat this new brand of biscuit is that it is particularly sweet and          .

A) fragile                               B) feeble

C) brisk                                D) crisp

34. Don’t trust the speaker any more, since the remarks he made in his lectures are never    with the facts.

A) symmetrical                          B) comparative

C) compatible                           D) harmonious

35. They had to eat a(n)      meal, or they would be too late for the concert.

A) temporary                            B) hasty

C) immediate                            D) urgent

36. Having a(n)      attitude towards people with different ideas is an indication that one has been well educated.

A) analytical                             B) bearable

C) elastic                                D) tolerant

37. No form of government in the world is       ; each system reflects the history and present needs of the region or the nation.

A) dominant                             B) influential

C) integral                               D) drastic

38. In spite of the        economic forecast, manufacturing output has risen slightly.

A) faint                                 B) dizzy

C) gloomy                              D) opaque

39. Too often Dr. Johnson’s lectures      how to protect the doctor rather than how to cure the patient.

A) look to                               B) dwell on

C) permeate into                          D) shrug off

40. Located in Washington D.C., the Library of Congress contains an impressive      of books on every conceivable subject.

A) flock                                 B) configuration

C) pile                                  D) array

41. Some felt that they were hurrying into an epoch of unprecedented enlightenment, in which better education and beneficial technology would      wealth and leisure for all.

A) maintain                              B) ensure

C) certify                                D) console

42. Fiberoptic cables can carry hundreds of telephone conversations       .

A) homogeneously                         B) spontaneously

C) simultaneously                          D) ingeniously

43. Excellent films are those which      national and cultural barriers.

A) transcend                              B) traverse

C) abolish                                D) suppress

44. The law of supply and demand will eventually take care of a shortage or      of dentists.

A) surge                                 B) surplus

C) flush                                  D) fluctuation

45. One third of the Chinese in the United States live in California,      in the San Francisco area.

A) remarkably                            B) severely

C) drastically                             D) predominantly

46. After the terrible accident, I discovered that my ear was becoming less       .

A) sensible                               B) sensitive

C) sentimental                            D) sensational

47. Now the cheers and applause      in a single sustained roar.

A) mingled                               B) tangled

C) baffled                                D) huddled

48. Among all the public holidays, National Day seems to be the most joyful to the people of the country; on that day the whole country is       in a festival atmosphere.

A) trapped                                B) sunk

C) soaked                                D) immersed

49. The wooden cases must be secured by overall metal strapping so that they can be strong enough to stand rough handling during       .

A) transit                                B) motion

C) shift                                  D) traffic

50. Nowadays many rural people flock to the city to look for jobs on the assumption that the streets there are      with gold.

A) overwhelmed                          B) stocked

C) paved                                D) overlapped

51. It is a wellknown fact that the cat family      lions and tigers.

A) enriches                               B) accommodates

C) adopts                                D) embraces

52. My boss has failed me so many times that I no longer place any       on what he promises.

A) assurance                              B) probability

C) reliance                                D) conformity

53. The English language contains a      of words which are comparatively seldom used in ordinary conversation.

A) latitude                                 B) multitude

C) magnitude                               D) longitude

54. It was such a(n)  when Pat and Mike met each other in Tokyo. Each thought that the other was still in Hong Kong.

A) occurrence                               B) coincidence

C) fancy                                   D) destiny

55. Parents have to learn how to follow a bodys behavior and adapt the tone of their      to the badys capabilities.

A) perceptions                              B) consultations

C) interactions                              D) interruptions

56. Governments today play an increasingly larger role in the      of welfare, economics, and education.

A) scopes                                  B) ranges

C) ranks                                   D) domains

57. If businessmen are taxed too much, they will no longer be       to work hard, with the result that tax revenues might actually shrink.

A) cultivated                               B) licensed

C) motivated                               D) innovated

58. Jack is not very decisive, and he always finds himself in a       as if he doesn’t know what he really wants to do.

A) fantasy                                  B) dilemma

C) contradiction                             D) conflict

59. He is a promising young man who is now studying at our graduate school. As his supervisor, I would like to      him to your notice.

A) commend                                B) decree

C) presume                                 D) articulate

60. It was a wonderful occasion which we will      for many years to come.

A) conceive                                 B) clutch

C) contrive                                  D) cherish

尤淘 本文来源:网易教育论坛 责任编辑:王晓易_NE0011
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