prep 47 告诉我答案就好
47. (34035-!-item-!-188;#058&007207)
Automobile emissions are a significant source of air pollutants, and cars over five years old typically generate significantly greater amounts of pollutants than newer cars. In Torinia, which has recently built its first automobile manufacturing plant, most cars are over five years old. Aiming to boost Torinia's economy and reduce air pollution, the government plans to introduce incentives for Torinians to scrap their old cars every five years and replace them with new ones.
Which of the following, if true, most seriously undermines the likelihood that the planned incentives, if implemented, will achieve both of the cited aims?
(A) Without the implementation of the planned incentives, most Torinians who own an old car would be unlikely to buy a new car.
(B) Torinia's automobile plant manufactures car models that typically generate smaller amounts of air pollutants than most similarly sized car models manufactured elsewhere.
(C) The new cars produced in Torinia are not likely to be exported to other countries.
(D) The largest source of atmospheric pollutants in Torinia is not automobile emissions, but emissions from power plants.
(E) The manufacture and the scrapping of cars each generate significant amounts of air pollutants.
Which of the following, if true, most seriously undermines the likelihood that the planned incentives, if implemented, will achieve both of the cited aims?
题目问的是什么?E为什么就满足了两个要求?谢谢!
原文:老车(使用5年以上的车)对空气的污染比新车严重
政府计划通过用生产新车、减少老车来减少大气污染
问题:如何weaken the plan
E说生产新车、减少老车带来巨大的大气污染
逻辑:原文说plan好,要实施,答案往往是说原文没考虑到的plan的重大弊端,因为说plan好,是建立在没有重大弊端的假设上的,选项推翻假设,也就推翻结论
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