It was ____ then that I came to know that knowledge comes from practice.

试卷相关题目

• 1They were just about to give up the question, ____ suddenly they found the answer.

  A.as

  B.while

  C.when

  D.the moment

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• 2No other quality is more important for a scientist to acquire____ to observe carefully.

  A.as

  B.than

  C.and

  D.but

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• 3I am interested in ____ you have told me.

  A.which

  B.all what

  C.that

  D.all that

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• 4When you ____ the test, check your papers before you hand them in.

  A.will finish

  B.are finishing

  C.will have finished

  D.have finished

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• 5____ his youth and inexperience, he is not suitable for the job.

  A.Seeing

  B.Seen

  C.Having seen

  D.To see

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• 6The world's supplies of petroleum ____.

  A.have been gradually being exhausted

  B.have gradually exhausted

  C.are gradually exhausted

  D.are being gradually exhausted

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• 7Everything depends on ____ we have enough time.

  A.if

  B.when

  C.whether

  D.that

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• 8I'd just as soon ____ rudely to her.

  A.you not speak

  B.your not speaking

  C.you didn't speak

  D.you hadn't spoken

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• 9The concert was so interesting that we all felt it ended ____ soon.

  A.but too

  B.only too

  C.very

  D.too

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• 10The roar of the crowd finally ____ to a murmur.

  A.reduced

  B.diminished

  C.decreased

  D.cut down

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