ChaseDream

标题: prep1-20 [打印本页]

作者: 飞不高 时间: 2009-5-19 17:21
标题: prep1-20

20. (28411-!-item-!-188;#058&003617)

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.

c什么意思?

作者: georgelhb 时间: 2009-5-19 21:33
要找一个能支持减少汽车尾气排放的选项，只有C符合，因为原文提到 idling produces as much exhaust as driving

作者: Dancy123 时间: 2009-5-19 21:46
c的意思是tour buses花不到他们在palitito四分之一的时间来将乘客从一个景点送到另一个景点。也就是说，开车的时间还占不到四分之一，所以提供了停车的地方当然就可以减少废气。

作者: Brilliance 时间: 2009-7-21 00:14
求解

欢迎光临 ChaseDream (https://forum.chasedream.com/)