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    科目： 来源：不详 题型：单选题


    I don't think the experiment is _____ failure. At least we have got _____ experience for our
    future work on _____ nature. 
    A．/; /; /B．a; /; theC．a; /; /D．/; the; /

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    科目： 来源：不详 题型：单选题


    In that south American country, _____bicycle is not_______ popular means of transportation．
    A．the；aB．a；不填C．a：theD．the；the

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    科目： 来源：不详 题型：单选题


    Never lose _____ heart. There is always a chance of _____ weak defeating _____ strong.
    A．×; the; theB．the; the; theC．×; ×; ×D．a ; the; the

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    科目： 来源：不详 题型：单选题


    After　winning      war　in　Iraq，the country fell into     new worries of economy．
    A．the; theB．a; theC．the; ／D．a; ／

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    科目： 来源：不详 题型：单选题


    While other scientists are keeping____eye on changes in the H5N1 bird flu strain, the scientists in England are working on vaccines, in case it becomes highly infectious in ____humans.
    A．a , /B．an, /C．the, anD．an, the

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    科目： 来源：不详 题型：单选题


    We are now living in ______ “Information Age”, ______ time of new discoveries and great changes.
    A．the; aB．an; theC．不填; aD．the; the

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    科目： 来源：不详 题型：单选题


    The beauty of     nature shocked the trave11ers, and many of them have got     new experience from the travel.
    A．×、×B．the, aC．the、×D．×、a

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    科目： 来源：不详 题型：单选题


    Mr. White graduated from _____ Cambridge University with a degree in ____ physics.
    A．the; aB．a; aC．a; theD．/; /

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    科目： 来源：不详 题型：单选题


    Wouldn’t it be ______ wonderful world if all nations lived in ____ peace with one another?
    A．a ; / B．the ; /C．a; the D．the; the

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    科目： 来源：不详 题型：单选题


    His grandparents were born in ______ Qing Dynasty, while he was born in ______ 1920’s.
    A．a; anB．/;theC．the; the D．a; the

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