Difficult _____ in practice, this new technique hasn't been applied. 

试卷相关题目

• 1Taking this kind of medicine, if ________, will do harm to health. 

  A.continue

  B.continued

  C.to continue

  D.continuing

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• 2The sun began to rise in the sky, ________ the mountain in golden light. 

  A.bathed

  B.bathing

  C.to have bathed

  D.have bathed

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• 3Our trip was_______. We did not find anything unusual. 

  A.exciting

  B.disappointing

  C.excited

  D.disappointed

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• 4---Why don't you use the knife? ---It needs ___________________ .

  A.sharpen

  B.being sharpened

  C.sharpening

  D.to sharpen

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• 5_________ abroad for 10 years, he went back home .

  A.Working

  B.Having worked

  C.To work

  D.Worked

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• 6Tsinghua University, _____in 1911, is home to a great number of outstanding figures .

  A.found

  B.founding

  C.founded

  D.tobefounded

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• 7—Hi, Lydi

  A.Are you going to the concert on Friday? —I'd like to. But there are so many problems_______ .A.remaining to be settled

  B.remained settling

  C.remaining to settle

  D.remained to be settled

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• 8_____ at the back of the theatre, the girl couldn't see ZhouJielun clearly .

  A.Seating

  B.Sited

  C.Seated

  D.Seats

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• 9______ from father to son, the music has not changed for centuries.

  A.Passing

  B.Passed

  C.Having passed

  D.To pass

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• 10There are five chairs ___ ,but I am at a loss which to buy .

  A.to be chosen

  B.to choose from

  C.to choose

  D.to be chosen from

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