Had electronic computers not been invented, many problems on space flight ________.

试卷相关题目

• 1Without his help, I _______ in such a good house．

  A.won't live

  B.wouldn't live

  C.didn't live

  D.hadn't lived

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• 2The workers in the factory demanded that their pay _______ by 20 percent.

  A.be raised

  B.would be raised

  C.should arise

  D.should be risen

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• 3The children went on playing outside as if nothing ________ .

  A.happened

  B.had been happened

  C.is happening

  D.had happened

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• 4Without electronic computers, much of today's advanced technology ________．

  A.will not have been achieved

  B.have not been achieved

  C.would not have been achieved

  D.had not been achieved

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• 5I wish your parents ______ you tomorrow．

  A.will forgive

  B.would forgive

  C.forgive

  D.have forgiven

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• 6I wish I ________ more attention to my study when I was young.

  A.gave

  B.would give

  C.have given

  D.had given

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• 7Who ________ you ask for help if you were robbed?

  A.will

  B.would

  C.shall

  D.could

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• 8The rule requires that everyone ______ his bike in the corridor.

  A.not parks

  B.not parking

  C.not park

  D.not to park

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• 9I ________ to the party that night but I met an unexpected visitor.

  A.should go

  B.should have gone

  C.went

  D.used to go

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• 10Mary ______ the job he offered to her, but she didn't.

  A.can't take

  B.ought to have taken

  C.should take

  D.must have taken

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