In the meantime, the question facing business is whether such research is _____ the cost

试卷相关题目

• 1In this country, coal _____ electricity.

  A.is used to produce

  B.is used to produced

  C.is used to producing

  D.used to produce

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• 2The taller children should stand at the back _____ everyone can see.

  A.so that

  B.in order to

  C.so as to

  D.now that

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• 3Some Chinese students have ____ English well.

  A.difficulty in learning

  B.difficulty to learn

  C.difficulties learned

  D.difficulties to learn

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• 4He finally bought several books by Tom, _____ is one.

  A.which of them

  B.which of whose

  C.of which this

  D.any of them

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• 5Had you taken the doctor's advice yesterday, you ____ all right now

  A.are

  B.were

  C.would be

  D.would have been

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• 6Word has come _____some American guests will come for a visit.

  A.what

  B.whether

  C.when

  D.that

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• 7When Fred lost his job, he ____ his sorrows in drink.

  A.dragged

  B.drowned

  C.adopted

  D.drank

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• 8Clouds are gathering, I think we'd better ______for the hotel in case it ______to rain.

  A.to head; starts

  B.head; starts

  C.heading; start

  D.heads; start

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• 9If only I _______ more confidence in the English speech contest held last week!

  A.would have

  B.had

  C.had had

  D.have

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• 10_____ in the river for five hours, the thief looked very pale and exhausted.

  A.Having been trapped

  B.Being trapped

  C.Trapping

  D.Having trapped

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