In *'I think it impossible for man to live on the Mars”，"it" is t-he  of the sentence.

试卷相关题目

• 1Which of the following italicized parts is NOT an object clause?

  A.I found it necessary that we practise English every day.

  B.She stood up and smiled as the headmaster came in.

  C.Let’s see how we can raise our efficiency.

  D.I’m not sure when she will Leave for San Francisco.

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• 2She had threatened to inform London that she could no longer take responsibility for workingwith me. I warned her against ____________  course.

  A.such any stupid

  B.such stupid any

  C.any such stupid

  D.any stupid such

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• 3A co-educational school offers children____________  a true version of society in miniature.

  A.nothing much than

  B.nothing less than

  C.no little than

  D.not much than

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• 4Nuclear fuel will be used in the reactor after its ____________  into the form of rods.

  A.having compressed

  B.to have been compressed

  C.having been compressed

  D.have been compressed

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• 5Other things_________  equal, most hotel tenants would prefer single to shared rooms.

  A.be

  B.being

  C.are

  D.been

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• 6___________ , the liigher the cholesterol levels tend to be.

  A.One experiences stress the more

  B.The more stress one experiences

  C.One experiences stress the most

  D.The most stress one experiences

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• 7My patients, if  the opportunity, would freely converse about their problems whilst  inmy waiting room.

  A.giving, sitting

  B.giving, sat

  C.given, sat

  D.given, sitting

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• 8Which of the following sentences contains a subject clause?

  A.A prosperity that had never been seen before appears in the country.

  B.He must answer the question whether he agrees to it or not.

  C.He told me that he had told Mary about the meeting already

  D.It is suggested that the work should be done with great car

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• 9Please talk to me about  is troubling you.

  A.however

  B.wherever

  C.whatever

  D.whenever

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