题库> 逻辑 CR> CR-51vhxj

题目选项分析

Highway Official: When resurfacing our concrete bridges, we should use electrically conductive concrete (ECC) rather than standard concrete. In the winter, ECC can be heated by passing an electric current through it, thereby preventing ice buildup. The cost of the electricity needed is substantially lower than the cost of the deicing salt we currently use. Taxpayer: But ECC is vastly more expensive than standard concrete, so your proposal is probably not justifiable on economic grounds. Which of the following, if true, could best be used by the highway official to support the official's proposal in the face of the taxpayer's objection?

【选项】In weather conditions conducive to icing, ice generally forms on the concrete surfaces of bridges well before it forms on parts of the roadway that go over solid ground.

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG21-686
  • 题目来源2:OG2022-685
难度: 难