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题目选项分析

Which of the following most logically completes the argument given?

Asthma, a chronic breathing disorder, is significantly more common today among adult competitive swimmers than it is among competitive athletes who specialize in other sports. Although chlorine is now known to be a lung irritant and swimming pool water is generally chlorinated, it would be rash to assume that frequent exposure to chlorine is the explanation of the high incidence of asthma among these swimmers, since _______ .

【选项】until a few years ago, physicians routinely recommended competitive swimming to children with asthma, in the belief that this form of exercise could alleviate asthma symptoms

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:OG18-661
  • 题目来源2:OG19-661
  • 题目来源3:OG20-752
  • 题目来源4:OG2022-811
难度: 难