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科目: 来源: 题型:单选题

The north Bering Sea one of the world’s richest feeding grounds for whales, walruses and sea birds, is warning to the point ________ animals are being forced to adapt or suffer the consequences.


  1. A.
    when
  2. B.
    which
  3. C.
    where
  4. D.
    there

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科目: 来源: 题型:单选题

In ________ now seems the beginning stages of computer history, there was a quite widespread concern ________ computers would take over the world from man one day.


  1. A.
    it; that
  2. B.
    that; what
  3. C.
    it; what
  4. D.
    what; that

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科目: 来源: 题型:单选题

Missing the first bus means ________ two hours for the next one, so I mean ________ at 5 next morning.


  1. A.
    to wait; to get up
  2. B.
    to wait; to get up
  3. C.
    waiting; to get up
  4. D.
    to wait; getting up

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科目: 来源: 题型:单选题

Stop that foolish clapping!________ from you, and you will celebrate Christmas by losing your position.


  1. A.
    Another sound
  2. B.
    Making another sound
  3. C.
    Make another sound
  4. D.
    Hear another sound

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同步练习册答案
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