The new machine, if ______ properly, will work for at least ten years.

试卷相关题目

• 1_________ to the association of success with money that the thought of giving up good salary for an idea seems like a little bit crazy.

  A.Most of us are much accustomed

  B.So accustomed most of us are

  C.So accustomed are most of us

  D.Accustomed as most of us are

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• 2There are some health problems that, when ______ in time, can become bigger ones later on.

  A.not treated

  B.not being treated

  C.not to be treated

  D.not having been treated

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• 3Not until he left his home _____ to know how important the family was for him.

  A.did he begin

  B.had he begun

  C.that he began

  D.he had begun

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• 4No sooner ______ at the airport than she was surrounded by many reporters.

  A.has the star arrived

  B.the star has arrived

  C.the star had arrived

  D.had the star arrived

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• 5Not until he promised to return it to me as soon as possible _______ my electronic dictionary to my classmate.

  A.had I lent

  B.did I lend

  C.I had lent

  D.I lent

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• 6______, I suppose, and the housing problems for the low-income families could be solved.

  A.If you double your efforts

  B.To make some more efforts

  C.Some more efforts

  D.Making greater efforts

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• 7Behind the coach _______ our team wearing blue suits.

  A.have

  B.walk

  C.is followed

  D.appears

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• 8So absorbed in his work _________ that not a sound _________ .

  A.was the president; did she dare to make

  B.was the president; dared she to make

  C.the president was; she dared make

  D.the president was; she did dare to make

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• 9On top of the hill ______, whose style can be traced to the ages of the Roman Empire.

  A.there standing a church

  B.does a church stand

  C.a church stands

  D.stands a church

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• 10Not until he went through real hardship ______ the love we have for our families is important.

  A.did he realize

  B.had he realized

  C.he realized

  D.he had realized

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