The author of this article is _____ .

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• 1The author states that a supply of nonhuman workers for low IQ jobs world _____ .

  A.upset the nation′s economy

  B.benefit man mentally and physically

  C.be a disadvantage to many human workers

  D.enrage the Society for Prevention of Cruelty to Animals

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• 2In the author′s opinion, the idea that geneticists could produce a superape is _____ .

  A.a strain on the imagination

  B.demonstrably true

  C.plausibl(似合理的)

  D.biologically impossible

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• 3Until now, man has enthusiastically tackled the problems of _____ .

  A.breeding for brains

  B.breeding dogs of surrealistic shapes

  C.producing intelligent gorillas

  D.producing useful primates

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• 4Automation is viewed by the writer with _____ .

  A.indecision

  B.resentment

  C.favor

  D.indifference

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• 5The main purpose of the passage is to _____ .

  A.predict the future of medical care

  B.describe a health checkup system

  C.warn about the dangers of undetected disease

  D.describe in detail the workings of a new machine

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• 6The title below that best expresses the ideas of this passage is _____ .

  A.The Makeup of the Atmosphere

  B.Studying the Atmosphere

  C.Atmosphere and Weather

  D.Temperature in the Stratosphere

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• 7Studies in the stratosphere have been made possible by _____ .

  A.weather balloons

  B.meteorologists

  C.jet planes

  D.earth satellits

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• 8The troposphere is the warmest part of the atmosphere because it _____ .

  A.is warmed by the earth's heat

  B.contains electrically charged particles

  C.radiates heat into space

  D.has winds and air current that distribute the heat

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• 9Studies of the atmosphere may reveal _____ .

  A.the secrets of life

  B.its true effect upon the earth's weather

  C.the source of the sun's energy

  D.how to control ultraviolet rays

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• 10By diverting some or all of the money spent on preparations for war to peaceful purposes, all of the following benefits would occur EXCEPT _____ .

  A.taxes would be reduced

  B.education could be improved

  C.the population explosion could be controlled

  D.better housing could be provided

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