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    科目： 来源： 题型：单选题

    He often helps the students __________ he thinks are not quick at their studies.


    1. A.
      whom
    2. B.
      who
    3. C.
      when
    4. D.
      because

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    科目： 来源： 题型：单选题

    This is the very book ________ I want to read．


    1. A.
      that
    2. B.
      which
    3. C.
      it
    4. D.
      with which

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    科目： 来源： 题型：单选题

    The space station spins slowly in ________ space to imitate ________ pull of the earth’s gravity


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

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    科目： 来源： 题型：单选题

    As far as I know, he is seldom, ______, absent from school.


    1. A.
      if any
    2. B.
      if so
    3. C.
      if ever
    4. D.
      if not

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    科目： 来源： 题型：单选题

    In America, turkey is served as the main course on special ______.


    1. A.
      occasions
    2. B.
      situations
    3. C.
      positions
    4. D.
      scenes

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    科目： 来源： 题型：单选题

    Some people argue that both the government and the milk producers are __________ for the deathof the babies．


    1. A.
      blamed
    2. B.
      blaming
    3. C.
      to be blamed
    4. D.
      to blame

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    科目： 来源： 题型：单选题

    It is always the mouth __________ talks too much __________ causes troubles．


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

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    科目： 来源： 题型：单选题

    I asked him ________ he stayed．


    1. A.
      the place where
    2. B.
      where
    3. C.
      which
    4. D.
      the place in which

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    科目： 来源： 题型：单选题

    ________ is known to us all, good friends ________ our happiness．


    1. A.
      It; add
    2. B.
      As; add
    3. C.
      It; add to
    4. D.
      As; add to

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    科目： 来源： 题型：单选题

    We should take the influence of the climate ________ agricultural production into account．


    1. A.
      on
    2. B.
      by
    3. C.
      in
    4. D.
      wish

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