______ a good insulator , rubber is often used in cables.

试卷相关题目

• 1'Can't you read?' Mary said ______ to the notice.

  A.angrily pointing

  B.and point angrily

  C.angrily pointed 　

  D.and angrily pointing

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• 2“Why was a special meeting called?” “______ a new chairman.”

  A.Choose

  B.Choosing

  C.To choose

  D.Chosen

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• 3—The light in the office is still on. —Oh，I forgot ________.

  A.turning it off

  B.turn it off

  C.to turn it off

  D.having turned it off

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• 4_____ this road, you will get there.  _____ this road, and you will get there.  

  A.Follow

  B.To follow

  C.Following

  D.Followed

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• 5There are five pairs _______, but I'm at a loss which to buy.

  A.to be chosen

  B.to choose from

  C.tochoose

  D.for choosing

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• 6Whom would you rather have _____ with you?

  A.to go

  B.gone

  C.going

  D.go

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• 7—You were brave enough to raise objection at the meeting. —Well, now I regret ________ that.

  A.to do

  B.to be doing

  C.to have done

  D.having done

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• 8The library needs ______, but it will have to wait until Sunday.

  A.cleaning

  B.be cleaned

  C.clean

  D.being cleaned

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• 9The child enjoyed _____ up the wooden bricks then knocking them down.

  A.adding

  B.pushing

  C.piling

  D.forming

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• 10_____ from the hill, the park seems beautiful.  _____ from the hill, you'll find the park beautiful.  

  A.See

  B.Seen

  C.Seeing

  D.To be seen

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