题库> 逻辑 CR> CR-512mwk

题目选项分析

To reduce the danger to life and property posed by major earthquakes, scientists have been investigating several techniques for giving advance warning of dangerous earthquakes. Since catfish swim erratically before earthquakes, some investigators have proposed monitoring catfish to predict dangerous earthquakes.

Which of the following, if true, most seriously undermines the usefulness of the proposal?

【选项】Mechanical methods for detecting earthquakes have not proved effective.

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:PREP07 Test 1-29
正确率:43%