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18、 一个城市发现小车车祸受伤的机率比大车高很多,因此建议把小车都换成大车,问削弱。我最后选的是A:对于某种人,perti什么的不认识,大车车祸受伤的机率比小车高很多,其他的选项包括人们不愿意换大车啊什么的
是GWD下面的这道吗?考过的考生能否确认一下啊? In the nation of Partoria, large trucks currently account for 6 percent of miles driven on Partoria’s roads but are involved in 12 percent of all highway fatalities. The very largest trucks – those with three trailers – had less than a third of the accident rate of single- and double-trailer trucks. Clearly, therefore, one way for Partoria to reduce highway deaths would be to require shippers to increase their use of triple-trailer trucks. Which of the following, if true, most seriously weakens the argument? A: Partorian trucking companies have so far used triple-trailer trucks on lightly traveled sections of major highways only. B: No matter what changes Partoria makes in the regulation of trucking, it will have to keep some smaller roads off-limits to all large trucks. C: Very few fatal collisions involving trucks in Partoria are collisions between two trucks. D: In Partoria, the safety record of the trucking industry as a whole has improved slightly over the past ten years. E: In Partoria, the maximum legal payload of a triple-trailer truck is less than three times the maximum legal payload of the largest of the single-trailer trucks 这题答案是A. |