We can know from the passage that

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• 1If you want to live longer。you should________.

  A.enable your heart to beat much faster

  B.find out the reason for ageing

  C.exercise regularly to keep your heart healthy

  D.prevent your cells from being 1ost

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• 2According to the text，the UK scientists have known that______.

  A.Women have more cells than men when they are born

  B.women can replace the eels that enable the heart to beat

  C.the female heart loses few of the cells with age

  D.women never lose their pumping power with age

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• 3The text mainly talks about________.

  A.men’s heart eels

  B.Women’s ageing process

  C.the gender difference

  D.Hearts and long life

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• 4The underlined word“longevity”in the second paragraph probably refers to

  A.health

  B.1ong Iife

  C.ageing

  D.effect

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• 5What does the underlined word “them”(Paragraph 4)refer to、

  A.Junk shops．

  B.Profits from shops．

  C.Small household pieces．

  D.Old houses．

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• 6The aim of controlled scientific experiments is______．

  A.to describe self--evident principles

  B.to explain how things happen

  C.to explain why things happen

  D.to support Aristotelian science．

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• 7What principles most influenced scientific thought for two thousand years、

  A.The forces of electricity，magnetism and gravity．

  B.The speculations of Thalas．

  C.Aristotle’s natural science．

  D.Galileo’s discoveries．

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• 8Bertrand Russell’s notion about electricity is________.

  A.in agreement with Aristotle’s theory of self-evident principle

  B.disapproved of by most modern scientists

  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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• 9The passage says that until recently scientists have proved_______.

  A.that there are mysterious forces in the universe

  B.that man can’t discover what forces “really” are

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

  D.that there are self—evident principles

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• 10Modern science came into being_________．

  A.when the method of controlled experiment was first introduced

  B.when Aristotelian scientists tried to explain why things happen

  C.when Galileo succeeded in explaining how things happen

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

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