完型填空:

  Do you find getting up in the morning so difficult that it’s painful?This   1   called laziness, but Dr.Kleitman has a new explanation.He has proved that everyone has a daily energy   2  

  During he hours when you   3   your work, you may say that you’re ‘hot’.That’s true.At the time of day when you feel most   4   in your work, your cycle of body temperature is   5   its peak.For some people the peak comes during the forenoon.For   6   it comes in the afternoon or evening.No one has discovered why this is so, but it   7   such familiar monologues(自言自语)as:“Get up John!You’ll be late for work again!” The possible explanation of the trouble is that John is at his low   8   and energy peak in the evening,   9   family quarrelling ends when husbands and wives realize   10   these energy cycles mean, and which cycle each member of the   11   has.

  You can’t change your energy cycle, but you can learn to make your life   12   it better.  13   can help, Dr.Kleitman believes.Maybe you’re sleepy in the evening but feel you must   14   late anyway.Counteract(对换)your cycle,   15   by habitually staying up later than you want to.If your energy is low in the morning but you have an important job to do   16   in the day,   17   before usual hour.This won’t change your cycle, but you’ll get up steam and work better as you’re at your low point.Whenever possible, do   18   tasks in the afternoon and   19   tasks requiring more energy or concentration(精神集中)for your   20   hours.

(1)

[  ]

A.

might be

B.

must be

C.

need be

D.

can be

(2)

[  ]

A.

circle

B.

recycle

C.

cycle

D.

crisis

(3)

[  ]

A.

go through

B.

see through

C.

break through

D.

labor through

(4)

[  ]

A.

energetic

B.

active

C.

effective

D.

lazy

(5)

[  ]

A.

on

B.

at

C.

over

D.

in

(6)

[  ]

A.

other

B.

another

C.

one another

D.

others

(7)

[  ]

A.

owes to

B.

leads to

C.

leads into

D.

attributes to

(8)

[  ]

A.

temper

B.

thought

C.

temperature

D.

mood

(9)

[  ]

A.

Much

B.

Many

C.

Such

D.

More

(10)

[  ]

A.

how

B.

that

C.

which

D.

what

(11)

[  ]

A.

house

B.

family

C.

home

D.

room

(12)

[  ]

A.

fit

B.

use

C.

like

D.

look

(13)

[  ]

A.

Hobby

B.

Characteristic

C.

Interest

D.

Habit

(14)

[  ]

A.

stay away

B.

stay out

C.

stay at

D.

stay up

(15)

[  ]

A.

to degree

B.

to some degree

C.

to the degree

D.

to certain degree

(16)

[  ]

A.

early

B.

daily

C.

yearly

D.

monthly

(17)

[  ]

A.

rise

B.

raise

C.

arise

D.

arisen

(18)

[  ]

A.

usual

B.

regular

C.

normal

D.

average

(19)

[  ]

A.

keep

B.

continue

C.

save

D.

hold

(20)

[  ]

A.

clearer

B.

harder

C.

sharper

D.

easier

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