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The use of radar detectors in commercial vehicles was banned because commercial truck and bus drivers were using these devices to drive faster than the posted speed limit without fear of arrest. Since drivers of noncommercial vehicles also use radar detectors and since speeding decreases safety for any vehicle, use of radar detectors should also be banned in noncommercial vehicles to increase safety.

Which of the following, if true, most strongly supports the argument above?

正确答案: C

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请教一道prep的题

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楼主
发表于 2010-4-15 15:28:11 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
The use of radar detectors in commercial vehicles was banned because commercial truck and bus drivers were using these devices to
drive faster than the posted speed limit without fear of arrest.  Since drivers of noncommercial vehicles also use radar detectors and
since speeding decreases safety for any vehicle, use of radar detectors should also be banned in noncommercial vehicles to increase safety.




Which of the following, if true, most strongly supports the argument above?



(A) The average noncommercial-vehicle driver is involved in less long-distance driving than is the average commercial-vehicle driver.

(B) In many places airplanes or helicopters are used rather than radar to locate vehicles traveling faster than the posted speed limit.

(C) The ban on radar detectors in commercial vehicles has been effective in deterring them from speeding.

(D) Traffic accidents involving a truck or bus generally pose a greater threat of injury or death than do other accidents.

(E) Radar detectors are sometimes set off by devices other than the law enforcement devices that the radar detectors were built to detect.


这道题答案是C。不太明白。这个选项和noncommercial vehicles有什么关系?感觉答案就是复述了一下原文



这道题答案是C。不太明白。这个选项和noncommercial vehicles有什么关系?感觉答案就是复述了一下原文
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沙发
发表于 2010-4-15 16:26:20 | 只看该作者
只有C选项说明了这个禁令可以有效的禁止司机们超速行驶,所以支持结论
板凳
发表于 2010-4-16 01:15:13 | 只看该作者
我觉得是不是题目错了啊
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