初中教育中考英语2009年北京市崇文区中考英语

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• 41By 1889, the bison population was ________.

  A.about 30 million

  B.fewer than a thousand

  C.about 60 million

  D.several hundred thousand

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• 42We can learn from the article that ________.

  A.fires may destroy a prairie and therefore must be prevented

  B.the interdependent ecosystem is both below and above ground

  C.the prairie ecosystem is in danger because of farming and building

  D.people haven’ t realized that they are losing their natural prairie

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