完形填空先通读下面的短文，掌握其大意，然后在所给选项中，选出最佳选项。At the beginning of this century, medical scientists made an interesting discovery: we are-初中英语-n多题

◎ 题干

完形填空先通读下面的短文，掌握其大意，然后在所给选项中，选出最佳选项。
At the beginning of this century, medical scientists made an interesting discovery: 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’   1  us, which controls the   2  and fall of our body energies. It can   3  us different from one day to the next.
The idea of a ‘body clock’ should not be too   4  because the lives of most living things are controlled by the 24-hour night-and-day cycle (循环). We feel   5  and fall asleep at night. We become   6  and energetic during the day. Most people will have a bad feeling if the 24-hour cycle is   7 . For example, people who are not used to working at night can find that lack (缺少) of sleep causes them to 8  badly at work.
9  the daily cycle of sleeping and waking, we also have other cycle which lasts longer than one day. Most of us would   10 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.

小题1:

A．beside

B．inside

C．outside

D．under

小题2:

A．life

B．offer

C．use

D．rise

小题3:

A．show

B．treat

C．make

D．change

小题4:

A．difficult

B．natural

C．surprising

D．frightening

小题5:

A．quiet

B．tired

C．comfortable

D．cheerful

小题6:

A．regular

B．serious

C．lively

D．clear

小题7:

A．disturbed

B．pushed

C．restarted

D．troubled

小题8:

A．perform

B．suffer

C．count

D．control

小题9:

A．With

B．As well as

C．Except

D．Rather than

小题10:

A．afford

B．admire

C．advise

D．agree

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◎ 解析

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◎ 知识点

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