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题目选项分析

Electric utilities pay less for low-quality coal per ton delivered than for high-quality coal. Yet more low-quality coal than hogn-quality coal must be burned to generate the same amout of electricity. Moreover, per ton of coal burned, low-quality coal generates more ash than does high-quality coal, and the disposal of ash is becoming more and more expensive.

The considerations above, if true, most strongly support which of the following chaims?

【选项】A coal-burning utility migth not be assured of benefiting economically by always adhering to the policy of keeping its overall coal purchasing costs as low sa possible.

选项是否正确?

答对用户笔记

题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:PREP2012-71
难度: 难