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. The millions of calculations involved, had they been done by hand, _____ all practical value by the time they were finished.

A.could lose

B.would have lost

C.might lose

D.ought to have lost

 

【答案】

B

【解析】略

 

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完形填空

  An old man had been hired many years ago by a town council(委員會)to clear away the wastes from the pools up in the mountain that fed the clear spring flowing through their town.  1   faithful, silent work every day, he cleaned the hills, removed the   2   and branches, and wiped away the dirt that would otherwise   3   and pollute the clear flow of water.

  By and by, the town became a(n)  4   attraction for tourists.Swans floated along the   5   spring.The mill wheels(水車)set up near the water   6   day and night and farmlands were naturally   7  .The beautiful view from the restaurants was beyond   8  

  Years passed.One evening the town council   9   for its meeting.A man's eye noticed the salary   10   to the keeper of the spring.He said, “Why do we   11   the old man on year after year?He isn't necessary any longer!” They all agreed to   12   the old man's job.

  For several weeks nothing changed.By early   13   the trees began to shed their leaves.Small   14   broke off and fell into the pools, blocking the rushing flow of sparkling water.One afternoon   15   noticed brown color in the spring.Some days later, the water was much   16   and more wastes covered the water and a kind of bad   17   was given off.The mill wheels moved very slowly, and finally   18  .Swans left and so did the tourists.The dirty water   19   into the town.

    20  , the council called a special meeting.Realizing their mistakes, they hired back the old man and within a few months the river of life began to clear up.

(1)

[  ]

A.

With

B.

After

C.

Before

D.

On

(2)

[  ]

A.

logs

B.

leaves

C.

grass

D.

trees

(3)

[  ]

A.

destroy

B.

damage

C.

disturb

D.

block

(4)

[  ]

A.

unknown

B.

terrible

C.

popular

D.

common

(5)

[  ]

A.

muddy

B.

clear

C.

broad

D.

deep

(6)

[  ]

A.

went

B.

changed

C.

turned

D.

shook

(7)

[  ]

A.

planted

B.

ploughed

C.

protected

D.

irrigated

(8)

[  ]

A.

description

B.

reach

C.

report

D.

drawing

(9)

[  ]

A.

saw

B.

noticed

C.

said

D.

met

(10)

[  ]

A.

sent

B.

paid

C.

left

D.

referred

(11)

[  ]

A.

take

B.

get

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keep

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carry

(12)

[  ]

A.

call off

B.

keep up

C.

stick to

D.

give out

(13)

[  ]

A.

spring

B.

summer

C.

autumn

D.

winter

(14)

[  ]

A.

branches

B.

flowers

C.

fruits

D.

roots

(15)

[  ]

A.

someone

B.

nobody

C.

anybody

D.

everyone

(16)

[  ]

A.

lighter

B.

darker

C.

greener

D.

deeper

(17)

[  ]

A.

sense

B.

smoke

C.

smell

D.

gas

(18)

[  ]

A.

completed

B.

ended

C.

broke

D.

stopped

(19)

[  ]

A.

flew

B.

rushed

C.

poured

D.

flowed

(20)

[  ]

A.

Suddenly

B.

Unexpectedly

C.

Quickly

D.

Sincerely

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B.also   

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B.started   

C.entered

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