The noise-killing system is not yet popular mainly because　　.

试卷相关题目

• 1Besides its main function(功能)the noise-killing system can　　.

  A.make a car lighter

  B.make a car quieter

  C.reduce the cost of a silencer

  D.improve the performance of a silencer

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• 2Which of the following gives a general idea of how the noise-killing system works、

  A.By producing pressure waves going in the opposite direction.

  B.By mixing high frequency sound waves with low frequency sound waves.

  C.By making copies of the unwanted sound waves and letting them out a little later.

  D.By mixing new sound waves with the noise and sending them out together.

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• 3On hearing "…there's been a terrible mistake…" Frank was most likely to be　　.

  A.disappointed

  B.worried

  C.nervous

  D.curious

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• 4When he heard the knock at the door, Frank probably thought　　.

  A.someone had come to make an aplogy

  B.someone had come to give him the money

  C.his friends had come to ask about the football pools

  D.his friends had come to congratulate him on his luck

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• 5What do we know about Frank、

  A.He was a lazy man.

  B.He was a lucky person.

  C.He didn't make a lot of money.

  D.He didn't get on well with his boss.

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• 6The fire began in　　.

  A.a hotel

  B.the palace

  C.Pudding Lane

  D.Thames Street

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• 7The underlined word "family" in the second paragraph means　　.

  A.home

  B.children

  C.wife and husband

  D.wife and children

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• 8It seems that the writer of the text was most sorry for the fact that　　.

  A.some people lost their lives

  B.the birds in the sky were killed by the fire

  C.many famous buildings were destroyed

  D.the King's bakery was burned down

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• 9Why did the writer cite(引用) Samuel Pepys、

  A.Because Pepys was among those putting out the fire.

  B.Because Pepys also wrote about the fire.

  C.To show that poor people suffered most.

  D.To give the reader a clearer picture of the fir

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• 10How was the fire put out according to the text、

  A.The king and his soldiers came to help.

  B.All the wooden houses in the city were destroyed.

  C.People managed to get enough water from the river.

  D.Houses standing in the direction of the fire were pulled down.

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