Although Fleming discovered Penicillin, it was over a decade ______ someone else turned it into the great drug of the 20 th century.

试卷相关题目

• 1His eyes suddenly widened. I knew a good idea must have _________ to him.

  A.happened

  B.appeared

  C.occurred

  D.hit

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• 2---Peter's injuries were severe and he bled too much. --- Yes. Ten minutes late______ he would have died.

  A.but

  B.or

  C.so

  D.and

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• 3In the exam , the ______ you are, the ______ mistakes you 'll make.

  A.carefully; little

  B.more carefully, fewer

  C.more careful; fewer

  D.more careful; less

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• 4As far as I see, ________is no possibility ______he will win the tennis match this time.

  A.it; that

  B.there ; that

  C.it; whether

  D.there; whether

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• 5It was some time _______ I realized the truth.

  A.that

  B.when

  C.before

  D.since

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• 6I made ______ clear to my team that I want our initial reviews completed this week.

  A.this

  B.that

  C.it

  D.one

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• 7_____ your attention focused on practicing, and you can reach your goal of becoming an excellent pianist.

  A.Keep

  B.Keeping

  C.To keep

  D.If you keep

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• 8What a great artist! It seemed only a couple of minutes _______ he had finished this wonderful painting!

  A.until

  B.when

  C.after

  D.before

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• 9About 110 million people moved to this city. The population is _______ as ten years ago.

  A.as twice large

  B.twice as large

  C.as many twice

  D.twice as many

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• 10It suddenly ________ to the detective that the millionaire was probably murdered by his own daughter.

  A.happened

  B.occurred

  C.thought

  D.took place

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