Many clothing manufacturers now substitute artificial silk _____ natural silk to cut down costs of production．

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• 1The book is not easy.____ it's rather difficult.

  A.On the one hand

  B.On the contrary

  C.On the other hand

  D.On the other contrary

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• 2It saves time in the kitchen to have things you use a lot _______ easy reach.

  A.near

  B.upon

  C.within

  D.around

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• 3The disagreement between the two countries resulted in a war __________.

  A.on time

  B.in time

  C.at times

  D.at all times

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• 4I saw Jack yesterday. He told me that he would stay here _____ the end of this year.

  A.at 　　

  B.by 　　

  C.for 　　

  D.till

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• 5---What time did you get there this morning?       --- _________ eight.

  A.In

  B.On

  C.At

  D.From

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• 6We should advance step by step and not reach ______ what is beyond our grasp.

  A.into

  B.for

  C.towards

  D.out

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• 7Later, these rocks proved that ______ in the distant past the Antarctic was covered by plants.

  A.at one time

  B.at a time

  C.at times

  D.at the same time

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• 8He doesn't like vegetables very much, and_______fruit, he never touches it.

  A.as for

  B.as long as

  C.as far as

  D.as well as

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• 9Some of the members demanded to know why they had been kept ____ the true facts until they reached the present critical stage.

  A.in view of

  B.in honor of

  C.in place of

  D.in ignorance of

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• 10---You are so lucky.             ---What do you mean ____that?

  A.for　　

  B.in　　

  C.of　　

  D.by

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