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Studies in the stratosphere have been made possible by _____ .

发布时间:2024-07-12

A.weather balloons

B.meteorologists

C.jet planes

D.earth satellits

试卷相关题目

  • 1The 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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  • 2The author of this article is _____ .

    A.merely attempting to be humorous

    B.revealing his low opinion of mankind

    C.expressing his doubts about the possibility of breeding a superape

    D.presenting a plausible theory in a humorous tone

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  • 3The 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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  • 4In 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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  • 5Until 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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  • 6The 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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  • 7Studies 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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  • 8By 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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  • 9Schools at the present time often have to make use of _____ .

    A.inadequaie funds

    B.untrained teachers

    C.poor buildings

    D.lies in order to promote hatred of possible enemies

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  • 10The problem of undernourishment will become more critical because _____ .

    A.America destroys its surplus goods

    B.there is inadequate shipping

    C.of the population explosion

    D.of lack of irrigation

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