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

试卷相关题目

• 1_______ 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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• 2________ was most important to her was her family.

  A.What

  B.Which

  C.As

  D.It

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• 3_______ surprised me most was ________ such a little boy of seven could play the violin so well.

  A.That...what

  B.What...that

  C.That...which

  D.What...which

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• 4__________ some people regard as a drawback is seen as a plus by many others.

  A.Whether

  B.What

  C.That

  D.How

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• 5It makes no difference to me ________ he will come or not．

  A.how

  B.why

  C.when

  D.whether

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• 6________ 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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• 7________ 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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• 8________ you did it is not known to all．

  A.Who

  B.What

  C.How

  D.Which

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• 9________ 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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• 10It has not been decided ________ they will leave for New York．

  A.when

  B.why

  C.that

  D.what

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