It can be inferred from the passage that ________.

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• 1The 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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• 2We 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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• 3According 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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• 4The 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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• 5I 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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• 6The 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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• 7According 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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• 8The 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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• 9It is implied in the first paragraph that ________.

  A.the purpose of taste tests is to promote the sale of colas

  B.the improvement of quality is the chief concern of the two cola companies

  C.the competition between the two colas is very strong

  D.blind tasting is necessary for identifying fans

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• 10The word “burnout” (Line 4, Par

  A.5) here refers to the state of ________.A.being seriously burnt in the skin

  B.being unable to burn for lack of fuel

  C.being badly damaged by fire

  D.being unable to function because of excessive use

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