When you run, your muscles need ____.

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• 1Scientists who work with the biological sciences study____.

  A.the earth , the oceans and the sky

  B.man-made things

  C.plants and animals

  D.ocean water

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• 2According to the passage, which of the following statements is true、

  A.People are curious in the same way.

  B.People in different countries are interested in different things.

  C.Men and women are curious about different things.

  D.People of different ages are interested in different things

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• 3We may infer from the passage that the habit of drinking tea in Britain was mostlydue to the influence of　________.

  A.a famous French lady

  B.the ancient Chinese

  C.the upper social class

  D.people in Holland

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• 4People in Europe began to drink tea with milk because.

  A.it tasted like milk

  B.it tasted more pleasant

  C.it became a popular drink

  D.Madame de Sevinge was such a lady with great social influence that people triedto copy the way she drank tea

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• 5Tea became a popular drink in Britain.

  A.in eighteenth century

  B.in sixteenth century

  C.in seventeenth century

  D.in the late seventeenth century

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• 6A rock cracks _____.

  A.in wet regions

  B.in dry regions

  C.at very high or very low temperatures

  D.when salty water falls in

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• 7People are always curious because ____.

  A.they cannot explain many things

  B.they know nothing about the world

  C.they know little about the world

  D.they want to be scientists

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