________ you did it is not known to all．

试卷相关题目

• 1________ still needs to be discussed．

  A.How is the plan to be carried out

  B.How the plan is to be carried out

  C.Why is the plan carried out

  D.Why the plan carried out

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• 2________ more countries can use natural energy in the future remains to be seen．

  A.Whether

  B.This

  C.Who

  D.If

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• 3______ is certain is ______ prevention is more important than treatment .

  A.It;that

  B.What;that

  C.As;what

  D.What;what

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• 4_______ medicine works in a human body is a question _______ not everyone can understand fully.

  A.How; that

  B.That; which

  C.That; which

  D.What; that

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• 5________ was most important to her was her family.

  A.What

  B.Which

  C.As

  D.It

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• 6________ Obama was elected president of the USA is a big success for the blacks in America．

  A.不填

  B.That

  C.What

  D.As

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• 7It has not been decided ________ they will leave for New York．

  A.when

  B.why

  C.that

  D.what

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• 8________ is known to us is that the 2012 Olympic Games will be held in London．

  A.It

  B.What

  C.As

  D.Which

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• 9________ seems like science fiction is not completely unlikely．

  A.It

  B.Which

  C.What

  D.That

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• 10________ you do should be well done．

  A.How

  B.That

  C.Whatever

  D.Why

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