The author’s purpose in writing this passage is to ________.

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• 1The 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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• 2It 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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• 3The 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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• 4According 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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• 5The 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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• 6Which 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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• 7According to the author the concept of “environment” is difficult to explain because ________.

  A.it doesn’t distinguish between the organism and the environment

  B.it involves both internal and external forces

  C.the organism and the environment influence each other

  D.the relationship between the organism and the environment is unclear

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• 8In analyzing the environmental forces acting on man the author suggests that ________.

  A.biological factors are less important to the organism than cultural factors to man

  B.man and other animals are modified equally by the environmental forces

  C.man is modified by the cultural environment as well as by the natural environment

  D.physical and biological factors exert more influence on other organisms than on man

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• 9As for culture, the author points out that ________.

  A.it develops side by side with environmental factors

  B.it is also affected by environmental factors

  C.it is generally accepted to be part of the environment

  D.it is a product of man’s biological instincts

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• 10In this passage, the author is primarily concerned with ________.

  A.the interpretation of the term “environment”

  B.the discussion on organisms and biological environment

  C.the comparison between internal and external factors influencing man

  D.the evaluation of man’s influence on culture

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