______ is estimated that a round-trip to Mars would take more than a year.

试卷相关题目

• 1______ is a fact that English is being accepted as an international language.

  A.It

  B.This

  C.That

  D.There

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• 2__________ golf was first played in Scotland in the 15 th century is generally agreed.

  A.Whether

  B.Why

  C.That

  D.What

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• 3_____ was obvious ______ the manager was waiting for LiFang to leave.

  A.It, that

  B.This, that

  C.That, what

  D.What, that

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• 4Well, it's up to you, Aunt Ellen, ________ you stay or go.

  A.whether

  B.what

  C.that

  D.if

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• 5 _______ song Jay Zhou sings will become popular pretty soon.

  A.What

  B.Whatever

  C.Whose

  D.Whichever

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• 6_____ the city's public school system should be open to the children of migrant workers has become the focus of discussion.

  A.That

  B.What

  C.Whether

  D.If

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• 7_____ his dream of going to college will come true is uncertain.

  A.That

  B.Even if

  C.If

  D.Whether

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• 8— ________ I watch TV, I'll turn it down and never make any noise. —Good. _______ you're doing should never disturb others. ________ how important you're, never forget about how others feel.

  A.Whatever; Wherever; No matter

  B.Whenever; Whatever; No matter

  C.Whether; Whatever; /

  D.No matter; Wherever; /

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• 9It still remains a question _____ life exists on any other planet in the solar system.

  A.why

  B.whether

  C.how

  D.where

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• 10______ young people see and hear in the media helps them to figure out how the world works.

  A.Which

  B.That

  C.What

  D.How

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