题库> 逻辑 CR> CR-f7cxhh

题目选项分析

Certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs'airways to contract.This partially seals off the lungs.An asthma attack occurs when the messenger molecules are activated unnecessarily, in response to harmless things like pollen or household dust.

Which of the following, if true, points to the most serious flaw of a plan to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules referred to above?

【选项】Such a medication would not become available for several years, because of long lead times in both development and manufacture.

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:PREP07 Test 2-48
正确率:49%