At the computer operation test, one is supposed to stay at his own machine, keep his eyes on his screen, ______ to anyone.

试卷相关题目

• 1---- Who were those people with the flag? ---- A group _______ itself the league for peace.

  A.calling

  B.called

  C.calls

  D.is called

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• 2__________ with so much trouble, we failed to complete the task on time.

  A.Faced

  B.Face

  C.Facing

  D.To face

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• 3__________ the employees' working efficiency, the supervisor will allow them to have a coffee break.

  A.Improving

  B.To improve

  C.Having improved

  D.Improved

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• 4AIDS is said __________ the biggest health challenge to both men and women in that area over the past few years.

  A.that it is

  B.to be

  C.that it has been

  D.to have been

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• 5Peter received a letter just now __________ his grandma would come to see him soon.

  A.said

  B.says

  C.saying

  D.to say

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• 6That gas pipeline project, _____in July 2002 and__________in 2005, will be China's longest gas pipeline in history.

  A.starting; completing

  B.started; to be completed

  C.to start; completed

  D.starting; completed

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• 7It rained nonstop for ten days , completely _____ our holiday.  

  A.to ruin

  B.ruined

  C.having ruined

  D.ruining

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• 8You will see this product _____wherever you go.

  A.to be advertised

  B.advertised

  C.advertise

  D.advertising

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• 9The flowers his friend gave him will die unless __________ every day.

  A.watered

  B.watering

  C.water

  D.to water

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• 10____several times，but unfortunately，the boy still couldn't smooth away the problem on his own.

  A.Having been explained

  B.The problem having been explained

  C.The problem had been explained

  D.Although the problem had been explained

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