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A cost-effective solution to the problem of airport congestion is to provide high-speed ground transportation between major cities lying 200 to 500 miles apart.The successful implementation of this plan would cost far less than expanding existing airports and would also reduce the number of airplanes clogging both airports and airways.

Which of the following, if true, could proponents of the plan above most appropriately cite as a piece of evidence for the soundness of their plan?

正确答案: B

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请教OG-23题

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楼主
发表于 2004-3-21 21:28:00 | 只看该作者

请教OG-23题

OG p504的23题题目如下:
A cost-effiective solution to the problem of airport congestion  is to provide high-speed ground transportation between major cities lying 200 to 500 miles apart.The successful implementation of this plan would cost far less than expanding existing airports and would also reduce the number of airplanes clogging both airports and airways.
Which of the following ,if true,could proponents of the plan above most appropriately cits as a piece of evidence for the soundness of their plan?
B)One-half of all departing flights in the nation's busiest airports head for a destination in a major  city 225 miles away
C)The majority if travelers departing from rural airports are flying to destinations in cites over 600 miles away.

答案是B请详细解释B的正确性和为什么C不对,谢谢了!
沙发
发表于 2004-3-22 15:20:00 | 只看该作者
题干说有一个解决机场拥挤的办法是提供快速陆路交通,对于那些200到500迈远的大城市。B说有一半的飞机离开的都是飞225迈远的城市的。言下之意就是有一半的航班可以用陆路交通来替代,这样就可以解决机场拥挤的问题。C说大部分飞机都是飞600迈远的城市的,那么对于600迈远的城市,没有陆路交通来替代,所以这个陆路交通的方法对于解决机场拥挤是没有用的。

板凳
 楼主| 发表于 2004-3-24 23:35:00 | 只看该作者
知道了,谢谢斑竹啊!
地板
发表于 2004-7-2 04:53:00 | 只看该作者

23. A cost-effective solution to the problem of airport congestion is to provide high-speed
ground transportation between major cities lying 200 to 500 miles apart. The successful
implementation of this plan would cost far less than expanding existing airports and would also
reduce the number of airplanes clogging both airports and airways.
Which of the following, if true, could be proponents of the plan above most appropriately cite
as a piece of evidence for the soundness of their plan?



A. An effective high-speed ground-transportation system would require major repairs to many
highways and mass-transit improvements.



B. One-half of all departing flights in the nation’s busiest airport head for a destination in a
major city 225 miles away.



C. The majority of travelers departing from rural airports are flying to destinations in cities
over 600 miles away.



D. Many new airports are being built in areas that are presently served by high-speed
ground-transportation systems.



E. A large proportion of air travelers are vacationers who are taking long-distance flights.


[此贴子已经被作者于2004-7-2 4:54:08编辑过]
5#
发表于 2004-7-9 23:25:00 | 只看该作者
请问D为什么不对,有很多新机场建在有高速公路的地区,这不正说明了措施的有效性吗?
6#
发表于 2004-7-10 00:16:00 | 只看该作者

D明显不符合。

看一句话,主要看这句话表达的重心。D的重心是说很多新机场正在建设(至于在什么旁边,只是一个限定),根据原文,这应该起到一定程度的削弱作用。

做逻辑题目,关键是符合原文的逻辑推理过程,以及他提供的论据。不能加入我们真实生活中的东西。

7#
发表于 2004-7-10 07:27:00 | 只看该作者
该题目的重心是说修建高速比机场划算,而D却说有很多新机场正在建设,明显不符合!
8#
发表于 2004-7-16 03:00:00 | 只看该作者

请教:我的问题可能有点钻牛角尖:B说一半以上的航班都是飞225mile以外的地方的,但并没有说其中有多少是在500mile以内的,如果飞500mile以上的航班占了大多数,不是也不能用地面交通取代吗?


[此贴子已经被作者于2004-7-16 3:01:38编辑过]
9#
发表于 2004-7-16 03:09:00 | 只看该作者
我明白了,刚才对选项的意思理解有误。谢谢!
10#
发表于 2005-6-16 10:40:00 | 只看该作者
以下是引用caterpillar在2004-7-16 3:00:00的发言:

请教:我的问题可能有点钻牛角尖:B说一半以上的航班都是飞225mile以外的地方的,但并没有说其中有多少是在500mile以内的,如果飞500mile以上的航班占了大多数,不是也不能用地面交通取代吗?



可能是翻译有点问题,a destination in a major city 225 miles away. 并不是说225以外的地方,...miles away,是说距离...英里

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