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Magoosh - 语法SC - 53
The nucleus of a hydrogen atom has contained over 99.9% of the mass of the atom, but only has occupied 1/10,000 of the atom's volume.
  • Ahas contained over 99.9% of the mass of the atom, but only has occupied 分析该选项
  • Bcontaining over 99.9% of the mass of the atom, but only occupies 分析该选项
  • Ccontains over 99.9% of the mass of the atom, but only occupies 分析该选项
  • Dhas contained over 99.9% of the mass of the atom, but occupying only 分析该选项
  • Econtains over 99.9% of the mass of the atom, but occupies only 分析该选项
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正确答案: E

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