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At the beginning of this century, medical scientists made an interesting discovery; we are built not just of flesh and blood but also of time. They were   36   to show that we all have “a body clock”   37    us, which controls the   38   and fall of our body energies,   39   us different from one day one to the next.

The   40   of “a body clock” should not be too   41   since the lives of most living things are controlled   42   the 24 hour night-and-day cycle. We feel   43   and fall asleep at night and become   44   and energetic during the day. If the 24 hour-cycle is   45   , most people experience unpleasant   46   . For example, people who are not   47   to working at night can find that   48   of sleep causes them to   49   badly at work.

  50   the daily cycle of sleeping and   51  , we also have other cycles which   52   longer than one day. Most of us would   53   that we feel good on some days and not so good on    54   ; sometimes our ideas seem to flow and at other times, they   55   do not exist.

36.A.anxious                  B.able                        C.careful                    D.proud

37.A.inside                     B.around                    C.between                  D.on

38.A.movement                     B.supply                    C.use                         D.rise

39.A.showing                 B.treating                   C.making                   D.changing

40.A.invention                B.opinion                   C.story                      D.idea

41.A.difficult                  B.exciting                  C.surprising               D.interesting

42.A.from                      B.by                          C.over                       D.during

43.A.dull                      B.tired                             C.dreamy                  D.peaceful

44.A.regular                   B.excited                   C.lively                            D.clear

45.A.disturbed                B.shortened                C.reset                       D.troubled

46.A.moments                B.feelings                  C.senses                     D.effects

47.A.prevented               B.allowed                  C.expected                 D.used

48.A.miss                       B.none                       C.lack                        D.need

49.A.perform                  B.show                      C.manage                   D.control

50.A.With                      B.As well as               C.Except                    D.Rather than

51.A.working                 B.moving                   C.living                     D.waking

52.A.repeat                     B.remain                    C.last                         D.happen

53.A.agree                      B.believe                   C.realize                    D.allow

54.A.other                      B.the other                 C.all other                  D.others

55.A.just                        B.only                       C.still                        D.yet

36---55     BADCD   CBBCA   BDCAB   DCADA  


解析:

36 B

 上文提到本世纪初,科学家们就已经发现人体不仅有血肉组成,还有时间。因此,根据这个发现,他们能够证明在人体内存在生物钟。be anxious to do渴望做某事,此处没有强调科学家的心理活动,故排除。

37 A

 根据常识及文中第一句we’re built not just of flesh and blood but also of time.可知答案。

38 D

 空格上所缺词应与and后面的fall 构成互补关系,才能较全面的概括人的活动。

39 C

 结合前一句话中的controls可知,生物钟能使我们每天的表现不一样。show 证明,展示,指示;treat对待;change使改变。如选change就意为使我们发生变化,与上下文意思不符。

40 D

  “生物钟”只是科学家经过研究而得出的一种结论或观点。

41 C

 根据空格后面的原因状语从句可知答案。

42 B

 大部分有生命的动物都受到日夜轮回这个时间循环的控制。

43 B

 结合常识可知,人工作一天,到晚上应是比较劳累。另外,后面的fall asleep 应是由劳累引起的。dreamy多梦的,不应出现在fall asleep之前。

44 C

 人休息了一晚上,第二天又充满了生机、活力。

45 A

 如果时间循环被打乱,大部分人就会不舒服。

46 B

 结合下一句的例子可知,此处应为人感到不舒服。

47  D

 be used to doing something习惯于……。上文中提到人的生物钟如被打乱,可能会感到不舒服。所以,如果不习惯于在晚上工作的人如果晚上工作,工作就会做不好。

48 C

 lack此处为名词,在从句中做主语,lack of…缺乏……。

49 A

 perform工作;表现。

50 B    

 根据后面的also可得知答案。

51 D

 人类的日夜循环分为两段时间:即睡眠时的时间和醒着的时间。

52 C

 根据后面的longer than one day 可知,此处last意为持续。

53 A

 大部分人都有这种体验,都同意这种看法。

54 D

 上文提到了some days与之相对应的是other days即others。

55 A

 此处just用于否定句中表强调,它们根本就不存在。

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