.They were __________ to produce carbon,nitrogen,water and other gases.

试卷相关题目

• 1He looked at me with that special expression ______ his face.

  A.in

  B.on

  C.onto

  D.into

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• 2A transistor radio is sometimes very small. It is very easy to carry…_______, radio broadcasts are better for blind people.

  A.Besides

  B.However

  C.Yet

  D.Sometimes

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• 3Much of the farm is under water;________ the grain, most of that has been ruined.

  A.owing to

  B.thanks to

  C.as for

  D.as with

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• 4--- Who is the man  ___________here? --- Mr. Black.

  A.in the charge

  B.under the charge

  C.in charge

  D.in charge of

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• 5He paid 6,000 dollars ______ the man ______ that car.

  A.for; of

  B.for; to

  C.to; for

  D.to; on

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• 6She was scared _______ stay outside after dark because she was scared _______ being robbed.

  A.to; to

  B.to; of

  C.of; to

  D.of; of

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• 7Watch out ______ cars when you cross the road.

  A.at

  B.to

  C.of

  D.for

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• 8______ the heavy rain, they got to the station on time.

  A.Because

  B.Because of

  C.Though

  D.In spite of

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• 9Miss Joan is engaged ______ a young man who is engaged _____ farm work.

  A.to, to

  B.to, in

  C.in, in

  D.in, to

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• 10At the beginning of the 20th century , many people thought that the family was falling apart--- _______, they thought it was dying.

  A.on the other hand

  B.for another

  C.in other words

  D.in addition

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