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    科目： 来源：不详 题型：单选题

    The recent research attempts to      the effectiveness of different drugs used for the new virus.
    A．coverB．guaranteeC．estimateD．evaluate

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    科目： 来源：不详 题型：单选题

    He didn’t make ______ at all in yesterday’s negotiation. What happened to him?
    A．an apologyB．a changeC．an appearanceD．a promise

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    科目： 来源：不详 题型：单选题

    You’d better ______ your flight reservation at the latest 3 days in advance.
    A．confirmB．conveyC．considerD．convince

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    科目： 来源：不详 题型：单选题

    “An awful accident ___, however, occur the other day.” The old man repeated, trembling all over.
    A．doesB．didC．hadD．has to

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    科目： 来源：不详 题型：单选题

    The window _________ a beautiful view out over the river.
    A．coversB．sparesC．appliesD．Affords.

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    科目： 来源：不详 题型：单选题

    We _____ know things about each other that we should not know, have no right _____, and have a right, actually, not to know.
    A．increasingly; to knowB．decreasedly; knowing
    C．increasingly; knowD．decreasingly; knew

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    科目： 来源：不详 题型：单选题

    The best way to get a serious point ____ without causing offense is ____ humour.  
    A．across; withB．out; within C．across; in D．down; by

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    科目： 来源：不详 题型：单选题

    China's badminton superstar Lin Dan won a thrilling final for his fifth world champion in Guangzhou on Sunday over Lee Chong Wei, who ______ his game due to injury.
    A．concernedB．recovered C．abandonedD．recognized

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    科目： 来源：不详 题型：单选题

    Traditionally, college students hold a graduation ceremony to encourage themselves before they ______ on their life journey.
    A．get throughB．give upC．set offD．settle down

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    科目： 来源：不详 题型：单选题

    In a courtroom it is sometimes difficult to ______ who is innocent and who is guilty．
    A．distributeB．developC．designD．distinguish

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