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The aim of controlled scientific experiments is ________.

发布时间:2024-07-12

A.to explain why things happen

B.to explain how things happen

C.to describe self-evident principles

D.to support Aristotelian science

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  • 1Nowadays, the athletes’ expenses are paid for ________.

    A.out of the prize money of the winners

    B.out of the funds raised by the competing nations

    C.by the athletes themselves

    D.by contributions

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  • 2Modern athletes’ results cannot be compared with those of ancient runners because ________.

    A.the Greeks had no means of recording the results

    B.they are much better

    C.details such as the time were not recorded in the past

    D.they are much worse

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  • 3The order of athletic events at the ancient Olympics ________.

    A.has not definitely been established

    B.varied according to the number of foreign competitors

    C.was decided by Zeus, in whose honor the Games were held

    D.was considered unimportant

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  • 4In the early days of ancient Olympic Games ________.

    A.only male Greek athletes were allowed to participate in the games

    B.all Greeks, irrespective of sex, religion or social status, were allowed to take part

    C.all Greeks, with the exception of women, were allowed to compete in Games

    D.all male Greeks were qualified to compete in the Games

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  • 5In ancient Greece, the Olympic Games ________.

    A.were merely national athletic festivals

    B.were in the nature of a national event with a strong religious colour

    C.had rules which put foreign participants in a disadvantageous position

    D.were primarily national events with few foreign participants

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  • 6What principles most influenced scientific thought for two thousand years、

    A.the speculations of Thales

    B.the forces of electricity, magnetism, and gravity

    C.Aristotle’s natural science

    D.Galileo’s discoveries

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  • 7Bertrand Russell’s notion about electricity is ________.

    A.disapproved of by most modern scientists

    B.in agreement with Aristotle’s theory of self-evident principles

    C.in agreement with scientific investigation directed toward “how” things happen

    D.in agreement with scientific investigation directed toward “why” things happen

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  • 8The passage says that until recently scientists disagreed with the idea ________.

    A.that there are mysterious forces in the universe

    B.that man cannot discover what forces “really” are

    C.that there are self-evident principles

    D.that we can discover why things behave as they do

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  • 9Modern science came into being ________.

    A.when the method of controlled experiment was first introduced

    B.when Galileo succeeded in explaining how things happen

    C.when Aristotelian scientist tried to explain why things happen

    D.when scientists were able to acquire an understanding of reality of reasoning

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  • 10As scheduled, the communications satellite went into ________ round the earth.

    A.circle

    B.orbit

    C.path

    D.course

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