We know from the passage that ________.

试卷相关题目

• 1According to the first paragraph, the atmosphere is essential to man in that ________.

  A.it protects him against the harmful rays from space

  B.it provides sufficient light for plant growth

  C.it supplies the heat necessary for human survival

  D.it screens off the falling meteors

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• 2The sports meet, originally due to be held last Friday, was finally ________ because of the bad weather.

  A.set off

  B.broken off

  C.worn off

  D.called off

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• 3I have kept that portrait ________ I can see it every day, as it always reminds me of my university days in London.

  A.which

  B.where

  C.whether

  D.when

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• 4I’m not sure whether I can gain any profit from the investment, so I can’t make a(n) ________ promise to help you.

  A.exact

  B.defined

  C.definite

  D.sure

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• 5The ability to store knowledge makes computers different form every other machine ________ invented.

  A.ever

  B.thus

  C.yet

  D.as

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• 6The harm radiation has done to the Apollo crew members ________.

  A.is insignificant

  B.seems overestimated

  C.is enormous

  D.remains unknown

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• 7It can be inferred from the passage that ________.

  A.the Apollo mission was very successful

  B.protection from space radiation is no easy job

  C.astronauts will have deformed children or grandchildren

  D.radiation is not a threat to well-protected space explorers

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• 8The best title for this passage would be ________.

  A.The Atmosphere and Our Environment

  B.Research on Radiation

  C.Effects of Space Radiation

  D.Importance Protection Against Radiation

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• 9According to the passage the preference test was conducted in order to ________.

  A.find out the role taste preference plays in a person’s drinking

  B.reveal which cola is more to the liking of the drinkers

  C.show that a person’s opinion about taste is mere guess-work

  D.compare the ability of the participants in choosing their drinks

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• 10The statistics recorded in the preference tests show ________.

  A.Coca-Cola and Pepsi are people’s two most favorite drinks

  B.there is not much difference in taste between Coca-Cola and Pepsi

  C.few people had trouble telling Coca-Cola from Pepsi

  D.people’s tastes differ from one another

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