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Crowding on Mooreville's subway frequently leads to delays, because it is difficult for passengers to exit from the trains. Subway ridership is projected to increase by 20 percent over the next 10 years. The Mooreville Transit Authority plans to increase the number of daily train trips by only 5 percent over the same period. Officials predict that this increase is suffi cient to ensure that the incidence of delays due to crowding does not increase.

Which of the following, if true, provides the strongest grounds for the officials' prediction?

正确答案: D

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求助一道加强题,GWD5-Q33

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楼主
发表于 2009-5-31 15:02:00 | 只看该作者

求助一道加强题,GWD5-Q33

Crowding on Mooreville’s subway frequently leads to delays, because it is difficult for passengers to exit from the trains.  Subway ridership is projected to increase by 20 percent over the next 10 years.  The Metroville Transit Authority plans to increase the number of daily train trips by only 5 percent over the same period.  Officials predict that this increase is sufficient to ensure that the incidence of delays due to crowding does not increase.

 

Which of the following, if true, provides the strongest grounds for the officials’ prediction?

 

  1. By changing maintenance schedules, the Transit Authority can achieve the 5 percent increase in train trips without purchasing any new subway cars.

  2. The Transit Authority also plans a 5 percent increase in the number of bus trips on routes that connect to subways.

  3. For most commuters who use the subway system, there is no practical alternative public transportation available.

  4. Most of the projected increase in ridership is expected to occur in off-peak hours when trains are now sparsely used.

  5. The 5 percent increase in the number of train trips can be achieved without an equal increase in Transit Authority operational costs.

红色是正确答案,蓝色是我的答案。请大虾帮忙解释一下。谢谢!

沙发
 楼主| 发表于 2009-5-31 20:26:00 | 只看该作者

没人回,自己顶下!

板凳
 楼主| 发表于 2009-6-1 11:44:00 | 只看该作者

增加的航班是在非高峰时间,怎么会有利于减少拥挤呢?想不通。

地板
发表于 2009-6-1 16:56:00 | 只看该作者

ridership不是航班,是乘客人数的意思。

第二句话说乘客人数未来10年会增加20%。官员说拥挤人数不增加的话,增加的班次可以解决delay的问题。

这两句话有点矛盾,因此只可能是那增加的20%的乘客人数是分布在非高峰时间才行,这个基础资料最大程度的支撑了官员的预测。

5#
发表于 2009-6-1 17:53:00 | 只看该作者

答案A,无关!

题目欲解决的问题是,是否政策是有用的?

至于其执行的过程和结果是无关的。。。。

6#
 楼主| 发表于 2009-6-1 20:23:00 | 只看该作者

原来我错在对一个词的理解上,哭~~~

7#
发表于 2009-6-2 16:56:00 | 只看该作者

Crowding on Mooreville’s subway frequently leads to delays, because it is difficult for passengers to exit from the trains.  Subway ridership is projected to increase by 20 percent over the next 10 years.  The Metroville Transit Authority plans to increase the number of daily train trips by only 5 percent over the same period.  Officials predict that this increase is sufficient to ensure that the incidence of delays due to crowding does not increase.

Which of the following, if true, provides the strongest grounds for the officials’ prediction?

  1. By changing maintenance schedules, the Transit Authority can achieve the 5 percent increase in train trips without purchasing any new subway cars.

  2. The Transit Authority also plans a 5 percent increase in the number of bus trips on routes that connect to subways.

  3. For most commuters who use the subway system, there is no practical alternative public transportation available.

  4. Most of the projected increase in ridership is expected to occur in off-peak hours when trains are now sparsely used.

  5. The 5 percent increase in the number of train trips can be achieved without an equal increase in Transit Authority operational costs.

原文说地铁老延误,因为乘客下不了车。客流量将在10年提高20%。当局准备提高5%的发车率。然后认为差不就够用了。考试那天,原文差不多读成这样应该没问题。

A说不用买其他车,没提过,杀!

B说增加5%的摆渡车,没提过,杀!

C说通勤人员怎么怎么样,太扯!杀!

D说客流量怎么怎么样,好歹提过,留着。

E说不提高成本,没提过,杀!

那就D吧。

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