Stephen Hawking believes that earth is unlikely to be the only planet ______ life has developed gradually.

试卷相关题目

• 1I was about to go to bed _____ one of my old classmates made a call to me.

  A.when

  B.as

  C.while

  D.that

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• 2—Have you finished  the book? ---No,I've read up to_________the children discover the secret cave.

  A.which

  B.what

  C.hat

  D.where

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• 3_______ Lucy were not given timely treatment, she would suffer from a cough for the rest of her life shocked her parents.

  A.That

  B.If

  C.That if

  D.If that

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• 4. ____________ the dinosaurs disappeared still remains a mystery.

  A.whether

  B.that

  C.if

  D.Why

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• 5—Could you please lead your car to me this Sunday? —_________you have it cleaned after using it.

  A.Although

  B.So long as

  C.Even if

  D.As soon as

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• 6.Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire.

  A.it, it

  B.what, what

  C.it, what

  D.what, it

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• 7He turns a deaf ear to his parents, _____ many times they have pointed out his weakness.

  A.whatever

  B.whichever

  C.whenever

  D.however

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• 8— I'd like to invite you to our party this weekend. — Thank you, but _________I'll have time I'm not sure at the moment.

  A.whether

  B.what

  C.when

  D.that

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• 9He didn't like coffee _____ tea, but water．      

  A.or

  B.and

  C.but

  D.with

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• 10It is only when an NBA player has aged and been through many battles ______ he learns an important lesson; there is no “I” in “team”．

  A.after

  B.before

  C.what

  D.that

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