We were told not to touch the equipment in the laboratory unless ________.

试卷相关题目

• 1A terrible earthquake struck Sichuan Province on May 12, _____ tens of thousands of lives.

  A.claiming

  B.claimed

  C.causing

  D.caused

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• 2Life is tough in the city. In order to lose their ________，some people drink alcohol.

  A.temper

  B.mood

  C.consciousness

  D.pressures

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• 3The flag looks especially beautiful _________ the blue sky.

  A.against

  B.on

  C.towards

  D.beyond

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• 4One day I _______ a newspaper article about the retirement of an English professor at a nearby state college.

  A.came across

  B.came about

  C.came over

  D.came out

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• 5Last year the factory ______ over six million records

  A.put forward

  B.put down

  C.put out

  D.put through

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• 6Natural disasters occur at ________ times, so it is always difficult to warn people in advance.

  A.random

  B.exact

  C.flexible

  D.absolute

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• 7In my opinion, he is ______ to attend the important meeting tomorrow.

  A.possible

  B.probable

  C.likely

  D.perhaps

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• 8It was ______ that they all went swimming in the river.

  A.such a hot weather

  B.such hot weather

  C.so hot weather

  D.so hot a weather

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• 9The old sick lady entered the hospital, ______ her two sons.

  A.to support

  B.supporting

  C.supported by

  D.having supported

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• 10Many difficulties have ________ as a result of the change over to a new type of fuel.

  A.risen

  B.raised

  C.arisen

  D.arrived

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