Radar is used to extend the ________ of man’s sense of observing his environment, especially the sense of vision.

试卷相关题目

• 1Wherever I have an appointment, I like to arrive ________.

  A.ahead of time a little

  B.a little time

  C.a little ahead of time

  D.ahead of a little time

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• 2He has pointed our the dangers ________ in this of nuclear power station.

  A.interior

  B.inherent

  C.insists

  D.inner

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• 3The day before my history exam, I still hadn’t ________ reading the first book on the list.

  A.as about

  B.caught up with

  C.got round to

  D.sat for

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• 4Cotton production has been ________ the decline these years.

  A.down

  B.on

  C.at

  D.under

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• 5Scientists first ________ the idea of the atom bomb in the 1930s.

  A.imagined

  B.conceived

  C.considered

  D.acknowledged

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• 6The boy cycling in the street was knocked down by a minibus and received ________ injures.

  A.fatal

  B.excessive

  C.disastrous

  D.exaggerated

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• 7It the ocean were free of ice, storm paths would move further north, ________ the plains of North America of rainfall.

  A.to deprive

  B.deprived

  C.depriving

  D.deprived

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• 8A window in the kitchen was ________; there was rubbish every where, and the curtains and carpets had been stolen.

  A.scattered

  B.scraped

  C.scratched

  D.smashed

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• 9This is an idea site for a university ________ it is far from the downtown are

  A.A.provided that

  B.now that

  C.so that

  D.in that

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• 10The most ________ technological success in the twentieth century is probably the computer revolution.

  A.prominent

  B.prosperous

  C.solemn

  D.prevalent

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