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题目选项分析

An unusually severe winter occurred in Europe after the continent was blanketed by a blue haze resulting from the eruption of the Laki Volcano in the European republic of Iceland in the summer of 1984. Thus, it is evident that major eruptions cause the atmosphere to become cooler than it would be otherwise.

Which of the following statements, if true, most seriously weakens the argument above?

【选项】The cooling effect triggered by volcanic eruptions in 1985 was counteracted by an unusual warming of Pacific waters.

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:PREP07 Test 2-13
正确率:46%