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At the beginning of this century, medical scientists made an interesting discovery(发现): we are built not just of flesh (肌肉) and blood but also of time. They were able to show that we all have a ‘body clock’       us, which controls the       and fall of our body energies. It can       us different from one day to the next.

The idea of a ‘body clock’ should not be too       because the lives of most living things are controlled by the 24-hour night-and-day cycle (循环). We feel       and fall asleep at night. We become       and energetic during the day. Most people will have a bad feeling if the 24-hour cycle is      . For example, people who are not used to working at night can find that lack (缺少) of sleep causes them to      badly at work.

       the daily cycle of sleeping and waking, we also have other cycle which lasts longer than one day. Most of us would       that we feel good on some days and not so good on others; sometimes our ideas seem to be so active and at other times, they are not.

1.A. beside                           B. inside            C. outside                            D. under

2.A. life                         B. offer                        C. use                                   D. rise

3.A. show                            B. treat                        C. make                          D. change

4.A. difficult               B. natural                    C. surprising                  D. frightening

5.A. quiet                            B. tired                       C. comfortable                   D. cheerful

6.A. regular                   B. serious           C. lively                          D. clear

7.A. disturbed           B. pushed                   C. restarted                         D. troubled

8.A. perform                 B. suffer                       C. count                          D. control

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

10.A. afford                   B. admire           C. advise                     D. agree

 

【答案】

 

1.B

2.D

3.C

4.C

5.B

6.C

7.A

8.A

9.B

10.D

【解析】

试题分析:这篇短文讲述的是科学家们最近发现了人的身体不仅是由肌肉和血液组成的,在人体里还有一个生物钟。它控制着我们的精力,有时候高涨,有时候低沉。

1.考查介词及语境的理解。句意:科学家能够证明在我们的身体里我们都有一个生物钟。beside  在…旁边;inside 在…里面;outside 在…外面;under 在…下面。根据文意这里说的是在我们每个人的身体内部有一个生物钟,故选B。

2.考查名词及语境的理解。句意:它(生物钟)控制着我们身体能量的起落。life 生活,生命;offer 提供;use 利用;rise上升。这里rise 和后面的fall是反义词,说的是人体里的生物钟控制我们身体能量的起落。故选D。

3.考查动词及语境的理解。句意:它能使我们每天都不一样。show 表明,带领;treat对待; make 制造,制作;使;change 改变。前面提到人体的生物钟控制着人体的能量,所以会影响我们的心情,让我们的心情每天都不一样。故选C。

4.考查形容词及语境的理解。句意:生物钟这个概念并不是太令人惊奇,因为大多数生物的生活都是由24小时的夜以继日的循环所控制的。difficult 困难的;natural 自然的;surprising 令人惊奇的;frightening令人害怕的。这里是说人们早就知道生物体的生活是被控制的,所以听到生物钟这个概念,人们并不会感到惊奇。故选C。

5.考查形容词及语境的理解。句意:晚上我们会感到疲倦然后就睡觉。quiet 安静的;tired 累的,疲倦的;comfortable 舒适的;cheerful欢呼的。这里是说我们的人体都有生物钟来控制,到了晚上人们就会感到累了,要休息了,这是很自然的,故选B。

6.考查形容词及语境的理解。句意:而白天的时候我们就会变得充满活力,精力充沛。regular 有规律的,定期的;serious 严肃的,认真的;lively 活泼的,有活力的;clear清楚的。这里是和上句话形成一个对比。由于有生物钟的控制,晚上我们会想要休息,那么白天则会精力充沛。故选C。

7.考查动词及语境的理解。句意:如果这个24小时的循环被打扰了,大多数人都会感觉不好。disturb 打扰,打乱;push 推;restart 重新开始;trouble烦恼。这里做了一个假设,生物钟控制我们的身体,让它有规律的循环,但是这个循环被打乱的时候,人们就会有不好的感觉。故选A。

8.考查动词及语境的理解。句意:例如,不习惯晚上工作的人可能会发现缺乏睡眠会导致他们在工作的时候表现不好。perform 表现,表演;suffer 遭受;count 数;control控制。这里是说生物钟被打乱的时候会影响人们的日常行为,所以工作的时候表现不好。故选A。

9.考查介词及语境的理解。句意:除了睡觉和醒着这种日常的循环,我们还有另外一个循环,它的时间比一天还要长。with 有,和;as well as 除…之外;except 除了,不放在句首;rather than 不是。这里作者要给我们介绍我们身体里的另一种规律的循环。故选B。

10.考查动词及语境的理解。句意:我们大多数人都会同意有时候我们感觉很好,但有时候又会感觉不好。afford 负担得起;admire 钦佩;advise 建议;agree同意。这里是我们大多数人都会有的体会,我们受人体生物钟的控制,有时候会感觉很好,有时候又感觉不好。故选D。

考点:科普类短文。

 

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