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[Critical Reasoning]
试题详情
题目：
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?
选项:
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.
答案:
A
提问：
想向老师请教这题的A选项，它是说这个车目前只在某些highway上用，没说以后不能用，那以后提高这个车的使用不就能降低死亡率了？为什么能weaken原文呢？我看到so far就把A选项排掉了，请老师指正我的思路。
解答：
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阅读2655
提问：
想向老师请教这题的A选项，它是说这个车目前只在某些highway上用，没说以后不能用，那以后提高这个车的使用不就能降低死亡率了？为什么能weaken原文呢？我看到so far就把A选项排掉了，请老师指正我的思路。
解答：
点赞1
阅读2656
提问：
A和B比较 不知道A比B好在哪里。
B说的是一些小路禁止大卡车，而原文说的是需要更多大卡车。我认为可以weaken原文。
请老师讲一下。
解答：
点赞0
阅读2726
提问：
A/C比较...
首先排除DE然后是B,AC比较时就错了...
解答：
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阅读2647
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