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题目选项分析

Which of the following most logically completes the argument?

When officials in Tannersburg released their plan to widen the city's main roads, environmentalists protested that widened roads would attract more traffic and lead to increased air pollution. In response, city officials pointed out that today's pollution-control devices are at their most effective in vehicles traveling at higher speeds and that widening roads would increase the average speed of traffic. However, this effect can hardly be expected to offset the effect pointed out by environmentalists, since ___

【选项】most of the air pollution generated by urban traffic comes from vehicles that do not have functioning pollution-control devices

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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-134
  • 题目来源2:OG20-语文分册-134
正确率:80%