But at last the determination and patience of the cloning scientists ______ with one after another failure in their attempts.

试卷相关题目

• 1The twenty-storeyed building, when ______, will shut out the sun ______ up the room in my house.

  A.completed; lighted

  B.completing; lighting

  C.completing; lighted

  D.completed; lighting

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• 2It _____ me that I could use the money I saved to help a student in a remote are

  A.A.happened

  B.occurred

  C.bound

  D.struck

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• 3With a videophone, we can hold the seminar at home in _____ rather than in the smoky meeting room.

  A.return

  B.peace

  C.comfort

  D.charge

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• 4The young man suggested the problem worth paying attention _____ at the meeting.

  A.to be discussed

  B.to been discussed

  C.being discussed

  D.be discussed

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• 5The big fire in Shanghai, which was believed to _____ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there．

  A.have occurred

  B.occur

  C.have been occurring

  D.be occurring

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• 6His nephew survived when the car _____ he was a passenger in turned off the road at the crossings.

  A.where

  B.as

  C.that

  D.because

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• 7She is the only one of the girls who ______ passed the exam.

  A.have

  B.has

  C.were

  D.was

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• 8Don’t you know that the famous university is as a matter of fact ______used to be a church、

  A.where

  B.what

  C.which

  D.one

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• 9The author went out and left her eldest son in charge of the younger children because ____.

  A.she knew that her eldest son was a good baby-sitter

  B.she thought it no hard work to take care of the younger ones

  C.she believed he could do well with his girlfriend’s help

  D.she could not find a baby-sitter on that winter night

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• 10What can you learn from the underlined sentence in the fifth paragraph、

  A.The author didn’t believe what her son had told her.

  B.The author had complete confidence in her son.

  C.The author believed her son was telling the truth.

  D.The author was moved by what her children had don

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