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    科目： 来源： 题型：单选题

    In the past decades, sea ice ______ in the Arctic as a result of global warming.


    1. A.
      had melted
    2. B.
      has been melting
    3. C.
      melted
    4. D.
      is melting

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    科目： 来源： 题型：单选题

    Many parents complain that children      the TV hopelessly.


    1. A.
      are becoming addicted with
    2. B.
      have become addicted to
    3. C.
      have become addicted with
    4. D.
      have addicted to

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    科目： 来源： 题型：单选题

    We believe she can win the game, ______?


    1. A.
      don’t we
    2. B.
      do we
    3. C.
      can we
    4. D.
      can’t she

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    科目： 来源： 题型：单选题

    Upon reaching an/a ______  age, children are encouraged, but not forced, to “leave the nest”.


    1. A.
      appropriate
    2. B.
      potential
    3. C.
      permanent
    4. D.
      automatic

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    科目： 来源： 题型：单选题

    Little ______  that we were watching his every move，so he seemed to be going his own way      in this business


    1. A.
      did he know
    2. B.
      he didn't know
    3. C.
      didn't he know
    4. D.
      he knew

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    科目： 来源： 题型：单选题

    Will you_______it that this report will be sent to the head office imrnediately?


    1. A.
      refer to
    2. B.
      see to
    3. C.
      torn to
    4. D.
      lead to

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    科目： 来源： 题型：单选题

    As we all know, surfing_____ Internet has now become _____popular means of obtaining information.


    1. A.
      the; the
    2. B.
      /; the
    3. C.
      the; a
    4. D.
      /; /

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    科目： 来源： 题型：单选题

    Most students expect ____more review classes before the exams.


    1. A.
      it to be
    2. B.
      there to be
    3. C.
      that to be
    4. D.
      to be

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    科目： 来源： 题型：单选题

    In this seaside resort, you can _________ all the comfort and convenience of modern tourism.


    1. A.
      enjoy
    2. B.
      apply
    3. C.
      receive
    4. D.
      achieve

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    科目： 来源： 题型：单选题

    It was a bit doubtful at first, but it ____  to be a really good idea.


    1. A.
      turned up
    2. B.
      turned in
    3. C.
      turned out
    4. D.
      turned down

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