______ is known to us is that tobacco contains nicotine and other harmful products, so you should give up smoking.

试卷相关题目

• 1 ______ you don't like him is none of my business.

  A.What

  B.That

  C.Whoever

  D.Whether

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• 2______ wants to stay in a hotel has to pay their own way.

  A.Anyone

  B.The one

  C.Whoever

  D.No matter who

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• 3 ______ we'll have our sports meet this week ______ the weather.

  A.If; depend on

  B.Whether; depend on

  C.If; depends on

  D.Whether; depends on

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• 4________ is surprising to us is that Tom, for _______ English was once boring, can speak English fluently as though he were a native speaker.

  A.As; whom

  B.What; whose

  C.It; whose

  D.What; whom

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• 5______in the regulation is that you should not tell other people the password of your e-mail account.

  A.What is required

  B.What requires

  C.It is required

  D.It requires

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• 6______ is of great importance now , my teacher often reminds me ,is study.

  A.It

  B.As

  C.What

  D.Which

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• 7______ is surprising to us is that Tom, for _______ English was once boring, can speak English fluently as though he were a native speaker.

  A.As; whom

  B.What; whose

  C.It; whose

  D.What; whom

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• 8It worries the couple a lot ______ their only son is behaving worse and worse these days.

  A.how

  B.why

  C.that

  D.what

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• 9_____ she become an artist may have been due to her father”s influence.

  A.what

  B.how

  C.that

  D.when

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• 10Don't always believe him. Sometimes ______ he does is quite different from what he says.

  A.what

  B.that

  C.how

  D.who

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