Do you know the stages every inventor must ________ before they can have their invention________ .

试卷相关题目

• 1From Jame's face, I could see he was terrified of _________ by us.

  A.abandoned

  B.abandon

  C.being abandoned

  D.to be abandoned

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• 2Swan(天鹅) Lake is a famous ballet in four acts, ________ on a German fairy tale.

  A.basing

  B.based

  C.bases

  D.to base

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• 3Relations between China and Africa are based on a balance of interests and ________ the needs and demands of developing countries.

  A.provides

  B.provided

  C.providing

  D.is providing

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• 4The bad weather meant__________ the rocket launch or 48 hours,．

  A.delaying

  B.having delayed

  C.to delay

  D.to have delayed

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• 5_________ the illegal mobile WAP sites worries many parents.

  A.The children's surfing

  B.The children surf

  C.The children surfing

  D.The children have surfed

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• 6Once ____ in the examination, your grade will be canceled immediately.

  A.caught cheating

  B.caught to cheat

  C.catching stealing

  D.to be caught to steal

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• 7Mr.White is now in Beijing and runs a company ________ in Zhongguancun together with some Chinese friends.

  A.to base

  B.basing

  C.to be based

  D.based

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• 8______ in a heavy snow, the couple had to walk home, leaving their car behind.

  A.Caught

  B.Having caught

  C.Catching

  D.To catch

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• 9______, water changed into steam.

  A.Heated

  B.Heating

  C.Being heating

  D.to heat

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• 10In zones where earthquakes are known to occur, ______ construction techniques can significantly reduce the effects of seismic wave.

  A.to improve

  B.improving

  C.improved

  D.being improving

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