No other drug is available at present _____ can produce the same therapeutic effect with less risk.

试卷相关题目

• 1Computers are already widely used in industry and in universities and the time may come when it _____ possible for ordinary people to use them as well.

  A.is

  B.will be

  C.must be

  D.may be

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• 2An estimated 20 percent of the U.S. population has no bank account,more than half of this group don't have credit card _____ can not get bank loans.

  A.or

  B.so

  C.and

  D.yet

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• 3She is only _____ satisfied to copy notes of others without the pain of thought for herself.

  A.very

  B.much

  C.so

  D.too

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• 4Bacteria are sometimes _____ too small to be seen without a microphone.

  A.far

  B.rather

  C.quite

  D.very

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• 5Once he starts talking about Chinese or foreign affairs, ancient or modern, _____ .

  A.there is no stopping of him

  B.he is not to stop

  C.there is no stopping him

  D.it is no stopping him

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