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Typically during thunderstorms most lightning strikes carry a negative electric charge; only a few carry a positive charge. Thunderstorms with unusually high proportions of positive-charge strikes tend to occur in smoky areas near forest fires. The fact that smoke carries positively charged smoke particles into the air above a fire suggests the hypothesis that the extra positive strikes occur because of the presence of such particles in the storm clouds.

Which of the following, if discovered to be true, most seriously undermines the hypothesis?

【选项】Other kinds of rare lightning also occur with unusually high frequency in the vicinity of forest fires.

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG18-语文分册-179
正确率:65%