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    科目： 来源：不详 题型：单选题


    Students can easily fall behind in their studies ____ they don’t manage their spare time carefully.
    A．though B．ifC．sinceD．until

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    科目： 来源：不详 题型：单选题


    _____ he is very busy, he spends at least two hours every day surfing the Internet in order to find out the latest development in science and technology.
    A．Even though B．WhenC．UnlessD．Whether

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    科目： 来源：不详 题型：单选题

    ___ she will come or not depends on her mood. 
    A．WhetherB．IfC．WhenD．That

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    科目： 来源：不详 题型：单选题

    There is nothing ___ two chairs in the room.
    A．besideB．butC．except thatD．of

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    科目： 来源：不详 题型：单选题

    Though Jim bought his wife a set of combs, ___ it was of no use.
    A．soB．butC．/D．and

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    科目： 来源：不详 题型：单选题

    We should try every effort to prevent violence from happening at school, ______ more and more students would drop out of school ______ their personal safety could not be guaranteed.
    A．though; if onlyB．though; so long as C．for; now thatD．for; if

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    科目： 来源：不详 题型：单选题

    — I phoned you at about three this afternoon, but no one answered.
    — Oh, that was probably _______ I was doing exercise outdoors.
    A．whenB．whyC．whatD．that

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    科目： 来源：不详 题型：单选题

    Do ________ you think is right _________ difficulties you may have.
    A．what; however B．that; whatever
    C．whatever; however D．what; whatever

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    科目： 来源：不详 题型：单选题

    一 Do you mean we are almost running out of food?
    一 Yeah.        the canned and frozen foods are used up
    A．as soon asB．as far asC．as much asD．as well as

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    科目： 来源：不详 题型：单选题

    Controlling water-pollution is necessary_____ it will be expensive.
    A．so thatB．as ifC．even thoughD．ever since

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