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题目选项分析

Many industrialized nations are trying to reduce atmospheric concentrations of carbon dioxide, a gas released by the burning of fossil fuels. One proposal is to replace conventional cement, which is made with calcium carbonate, by a new "eco-cement." This new cement, made with magnesium carbonate, absorbs large amount of carbon dioxide when exposed to the atmosphere. Therefore, using eco-cement for new concrete building projects will significantly help reduce atmospheric concentrations of carbon dioxide.

Which of the following, if true, most strengthens the argument?

【选项】Eco-cement is strengthened when absorbed carbon dioxide reacts with the cement.

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG17-592
  • 题目来源2:OG18-592
  • 题目来源3:OG19-590
  • 题目来源4:OG20-677
正确率:40% 中等