It is believed that ______ European chemist called Felix Hoffmann first produced ASA which completely changed ______ man's understanding of aspirin.

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• 1I had only ______ slight temperature, but my mother regarded the illness as serious enough for ______ hospital treatment．

  A.the; a

  B.a; the

  C./; a

  D.a; /

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• 2—I find it very difficult to read _________ novel you lent me last week.  —Yes. It's necessary to have __________ good knowledge of history.  

  A.the；不填

  B.a；不填

  C.the;a

  D.a;a

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• 3I earn 10 dollars _____ hour as _____ supermarket cashier on Sundays.

  A.a, an

  B.the, a

  C.an, a

  D.an, the

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• 4His suggestion is that ______ action be taken to improve ______ situation．

  A./; the

  B.an; the

  C.I; a．

  D.the;a

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• 5_____ computer has been proved to be _____ important aid in classroom teaching.

  A.The; an

  B.The; the

  C.A; the

  D.A; /

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• 6In choosing ____ career, you should first consider ____ type of work which will suit your interest.

  A.a, the

  B./, a

  C.the, a

  D.a, /

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• 7By awarding the Nobel Peace Prize to Mr．Obama,_________Nobel Committee surely hoped to influence _____debate about U.S．policy in Afghanistan.

  A.a; the

  B.a; a

  C.the; the

  D.the; a

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• 8—Sam speaks _______ English like a native.I always admire him. —Now he is learning _______ more difficult language—Arabic.

  A.an;a

  B./;the

  C./;a

  D.the;a

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• 9___ was invented by Grain Bell..

  A.Telephone

  B.The telephone

  C.Telephones

  D.The telephones

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• 10I like _______ color of your skirt.It is _______ good match for your blouse.

  A.a;the

  B.a;a

  C.the;a

  D.the;the

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