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

试卷相关题目

• 1The 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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• 2I 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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• 3I’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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• 4The ability to store knowledge makes computers different form every other machine ________ invented.

  A.ever

  B.thus

  C.yet

  D.as

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• 5A love marriage, however, does not necessarily ________ much sharing of interests and responsibilities.

  A.take over

  B.result in

  C.hold on

  D.keep to

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• 6We know from the passage that ________.

  A.exposure to even tiny amounts of radiation is fatal

  B.the effect of exposure to radiation is slow in coming

  C.radiation is avoidable in space exploration

  D.astronauts in spacesuits needn’t worry about radiation damage

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• 7The 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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• 8It 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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• 9The 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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• 10According 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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