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    科目： 来源：不详 题型：单选题

    If one of the computers _______, the whole networks would be unable to work.
    A．broken downB．broke upC．broke outD．broke in

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    科目： 来源：不详 题型：单选题

    _______ he is always studying hard is well known ____ us all.
    A．How, toB．What, toC．That, toD．Whether, by

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    科目： 来源：不详 题型：单选题

    The billionaire ______ all his possessions to his son when he died.
    A．write downB．get downC．handed downD．turn down

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    科目： 来源：不详 题型：单选题

    Though tigers are ______ to people, they are ______ now and we should protect them or they will die out.
    A．dangerous ; dangerousB．in danger ; in danger
    C．dangerous ; in dangerD．in danger ; dangerous

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    科目： 来源：不详 题型：单选题

    ——When did the plane_____ ?
    ——Well, it left two or three minutes ago.
    A. take up         B take away    C take off          D take out

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    科目： 来源：不详 题型：单选题

    Some people ________cruel experiments on animals ________science.
    A．make；by the name ofB．carry；in the name of
    C．make；in the name ofD．carry out；by the name of

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    科目： 来源：不详 题型：单选题

    With the gas _____, they had to quit the car and walked.
    A．ran outB．running outC．run out ofD．was run out of

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    科目： 来源：不详 题型：单选题

    There are ________ food on sale in the trade fair.
    A．a great manyB．lots of
    C．a great deal ofD．large quantities of

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    科目： 来源：不详 题型：单选题

    ________ I agree with you; let’s combine our ideas into a strong point.
    A．On the wholeB．As a whole
    C．In the wayD．Under no circumstances

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