2003年职称外语等级历年试题卫生类A_第8页

导读：为了学员能够更好的备考2013年职称英语考试，考试站网校为您搜集整理职称外语等级历年试题卫生类A，以及最新的2013年职称英语考试资讯和辅导资料，希望对各位考生有所帮助，考试站教育祝您顺利通过考试!

第6部分：　完形填空（第51~65题，每题1分，共15分）

    阅读下面的短文，文中有15处空白，每处空白给出了4个选项同，请根据短文的内容从4个选项中选择1个最佳答案，涂在答题卡相应的位置上

A Special Clock

    Every living thing has what scientists call a biological clock that controls behavior. The biological clock________(51) plants when to form flowers and when the flowers should open. It tells insects when to __________(52) the protective cocoon (防护卵袋) and fly away, and it tells animals and human beings when to eat, sleep and wake.

    Events outside the plant and animal__________(53) the actions of some biological clocks . Scientists recently found, for example, that a tiny animal changes the color of its fur because of the __________(54) of hours of daylight. In the short_________(55) of winter, its fur becomes white. The fur becomes gray brown in _________(56) in the longer hours of daylight in summer.

    Inner signals control other _________(57) clocks. German scientists found that some kind of internal clock seems to order birds to begin their long migration_________(58) twice each year. Birds _________(59) from flying become restless when it is time for the trip, _________(60) they become calm again when the time of the flight has ended.

    Scientists say they are beginning to learn which _________(61) of the brain contain biological clocks. An American researcher, Martin Moorhead, said a small group of cells near the front of the brain__________(62) to control the timing of some of our actions. These __________(63) tell a person when to wake, when to _________(64) and when to seek food. Scientists say there probably are other biological clock cells that __________(65) other body activities.

    51 A says B asks C talks D tells

    52 A reach B leave C escape D enter

    53 A affect B adopt C avoid D express

    54 A time B value C amount D number

    55 A days B months C minutes D weeks

    56 A shape B type C form D color

    57 A physical B biological C mental D portable

    58 A operation B flight C movement D transportation

    59 A derived B prevented C originated D protected

    60 A but B unless C therefore D if

    61 A parts B ideas C sorts D images

    62 A tries B likes C seems D wants

    63 A functions B places C actions D cells

    64 A lie B sleep C stand D walk

    65 A build B demand C reflect D control

    答案：

    1.B 2.D 3.D 4.D 5.C 6.C 7.B 8.C 9.D 10.D

    11.B 12.B 13.A 14.A 15.B 16.B 17.B 18.A 19.A

    20.C 21.B 22.C 23.B 24.D 25.F 26.C 27.C 28.F

    29.D 30.A

    31.D 32.A 33.C 34.C 35.B 36.C 37.D 38.A 39.D

    40.D 41.C 42.D 43.B 44.A 45.D

    46.E 47.A 48.C 49.F 50.D

    51.D 52.B 53.A 54.D 55.A 56.D 57.B 58.B 59.B

    60.A 61.A 62.C 63.D 64.B 65.D