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Gaokao Physics Practice Question

关于分子动理论,下列说法正确的是( )

  1. A.气体扩散的快慢与温度无关
  2. B.布朗运动是液体分子的无规则运动
  3. C.分子间同时存在着引力和斥力
  4. D.分子间的引力总是随分子间距增大而增大

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