________ is troubling the young worker is ________he doesn't know ________ is to be done with the advanced machine.

试卷相关题目

• 1________ was of little importance.

  A.No matter he might pass the examination

  B.Whether he passed the examination or not

  C.Though he might pass the examination

  D.He might pass the examination

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• 2The question is _________ will be the next speaker.

  A.whose

  B.who

  C.which

  D.why

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• 3What proof have you got ___________ you are really the lady who should collect this money?

  A.that

  B.which

  C.to which

  D.how

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• 4Scientists think ________ helps some trees to keep water in winter.

  A.when losing leaves

  B.leaves are lost

  C.that losing leaves

  D.the leaves losing

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• 5Whether the epidemic (流行病) in Beijing will be under control is just ________ worries the public.

  A.why

  B.that

  C.which

  D.what

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• 6America was ________ was first called “India” by Columbus.

  A.what

  B.where

  C.the place

  D.there

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• 7The teacher devoted the next several minutes ________ the students memorize the dialogue.

  A.help

  B.to help

  C.to helping

  D.helped

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• 8It is not clear ________ this story took place.

  A.where and when

  B.when and where

  C.how and why

  D.why and how

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• 9The fact ______ we'll go to the Great Wall is known to all.

  A.which

  B.that

  C.when

  D.where

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• 10What a pity ________ is ________ you didn't come to the party.

  A.there; because

  B.it; that

  C.he; when

  D.that; for

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