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    科目： 来源：不详 题型：单选题

    About 110 million people moved to this city. The population is ____________ as ten years ago.
    A．as twice largeB．twice as large C．as many twiceD．twice as many

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    科目： 来源：不详 题型：单选题

    ---You look unhappy, what’s happening, my son?
    ---I’m wondering how long it’ll be________ we come to China again.
    A．sinceB．whenC．beforeD．after

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    科目： 来源：不详 题型：单选题

    Scientists say it may be five or six years _____ it is possible to test this medicine to human patients.
    A．since B．after C．before D．when

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    科目： 来源：不详 题型：单选题

    The crowd cheered wildly at the sight of Liu Xiang, who was reported, throughout the whole country, ____ the world record in the 110-meter hurdle race.
    A．breakingB．having broken
    C．to have brokenD．to break

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    科目： 来源：不详 题型：单选题

    Modern science has given ____clear evidence ____ smoking can lead to many diseases ____ it’s time for us to take measures.
    A．such; what; thatB．such; which; as
    C．such; that; thatD．such; where; that

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    科目： 来源：不详 题型：单选题

    The robot Tony was said        already in Larry’s house before he returned.
    A．to test out B．to have been tested out
    C．to be tested outD．to be testing out

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    科目： 来源：不详 题型：单选题

    This is the first time I ______ such beautiful music .
    A．heardB．am hearingC．will hearD．have heard

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