It is said that ________mammals such as whales and seals may communicate with each other verbally deep under the water．

试卷相关题目

• 1We should avoid ________ tricks ________ the disabled persons in public.

  A.making ,of

  B.to play ,on

  C.playing ,on

  D.to make ,for

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• 2Do me the favour ________.

  A.to come

  B.coming

  C.to coming

  D.for coming

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• 3________ to take the magazines out of the reading room?

  A.Does anyone permit

  B.Is anyone permitted

  C.Does it permit

  D.Does the librarian permit

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• 4By the time the course ends, we ______ a lot about Britain.

  A.will learn

  B.are learning

  C.have learnt

  D.will have learnt

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• 5You look________ in blue while red clothes are nice________ her.

  A.well; for

  B.good; on

  C.well; to

  D.good; at

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• 6The bus together with the passengers in it fell into the river but everyone ________ get out.

  A.had to

  B.would

  C.could

  D.was able to

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• 7There is evidence that prehistoric humans used fire _____ 400,000 B.C.

  A.so early

  B.the earliest

  C.as early as

  D.so early that

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• 8The exam ________ he paid no attention ________ him his chance to go to college.

  A.in which ,lost

  B.that ,to missed

  C.to what ,dismissed

  D.to which ,cost

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• 9The government will not permit you ________ here.

  A.building

  B.built

  C.to build

  D.are building

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• 10The boy was afraid ________ behind others, so he was afraid ________ out for play.

  A.to fall; to go

  B.of falling; of falling

  C.of falling; to go

  D.to fall; of going

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