初中教育中考英语2009年北京市宣武区中考英语

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• 41What can we infer from the last three paragraphs？ ________

  A.Most of us could be good at sports even at 120.

  B.The average human life span cannot be doubled.

  C.Scientists believe mice are aging at a slower speed than before.

  D.C.Scientists believe mice are aging at a slower speed than befor

  E.D.New techniques could be used to change flies into a new species.

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