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题目选项分析

Which of the following most logically completes the argument below?

When mercury-vapor streetlights are used in areas inhabited by insect-eating bats, the bats feed almost exclusively around the lights, because the lights attract flying insects. In Greenville, the mercury-vapor streetlights are about to be replaced with energysaving sodium streetlights, which do not attract insects. This change is likely to result in a drop in the population of insect-eating bats in Greenville, since ___

【选项】in the absence of local concentrations of the flying insects on which bats feed, the bats expend much more energy on hunting for food, requiring much larger quantities of insects to sustain each bat

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG19-语文分册-146
  • 题目来源2:OG20-语文分册-157
正确率:64% 中等