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题目选项分析

Power Plant Spokesperson: "The water quality of the Phage River as it passes through Praseopolis is below federal standards. The citizens of Praseopolis often blame the poor water quality on our coal-burning power plant, which is upstream from Praseopolis. But Vulcan Refinery, along a tributary of the Phage River even further upstream, releases several toxins into the water. Moreover, over 99% of the toxic materials measured in the Phage River in the vicinity of Praseopolis are consistent with metal refining, but not with the by-products of coal combustion."

In the power plant spokesperson's argument, the portion in boldface plays which of the following roles?

【选项】It is a finding the argument seeks to explain.

选项是否正确?

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:Magoosh-120
难度:易