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

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• 1The 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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• 2It 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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• 3The 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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• 4We 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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• 5According 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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• 6The 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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• 7It 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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• 8The 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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• 9The author’s purpose in writing this passage is to ________.

  A.show that taste preference is highly subjective

  B.argue that taste testing is an important marketing strategy

  C.emphasize that taste and price are closely related to each other

  D.recommend that blind tasting be introduced in the quality control of colas

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• 10Which of the following words can best describe the popular understanding of “environment” as the author sees it、

  A.Elaborate.

  B.Prejudiced.

  C.Faultless.

  D.Oversimplified.

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