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标题: 求问prep07 Q20，题目已经在帖子中，谢谢 [打印本页]

作者: songshit 时间: 2012-11-12 23:49
标题: 求问prep07 Q20，题目已经在帖子中，谢谢

For years the beautiful Renaissance buildings in Palitito have been damaged by exhaust from the many tour buses that come to the city.There has been little parking space, so most buses have idled at the curb during each stop on their tour, and idling produces as much exhaust as driving.The city has now provided parking that accommodates a third of the tour buses, so damage to Palitito's buildings from the buses' exhaust will diminish significantly.

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

(A) The exhaust from Palitito's few automobiles is not a significant threat to Palitito's buildings.

(B) Palitito's Renaissance buildings are not threatened by pollution other than engine exhaust.

(C) Tour buses typically spend less than one-quarter of the time they are in Palitito transporting passengers from one site to another.

(D) More tourists come to Palitito by tour bus than by any other single means of transportation.

(E) Some of the tour buses that are unable to find parking drive around Palitito while their passengers are visiting a site.

答案是C，请问为什么，多谢

作者: uhowoo 时间: 2012-11-14 11:57
这是og13的assessment test里的题

作者: guotonghao123 时间: 2012-11-16 10:48
这题我觉得C项可以这么理解，C项说bus有少于四分之一的时间是把游客从一个地方带到另一个地方，言外之意就是大部分时间都是idled，这样就可以加入到原文的推理中了。因为大部分时间idled，建立停车场可以缓解，从而减少危害。

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