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Wind farms, which generate electricity using arrays of thousands of wind-powered turbines, require vast expanses of open land. County X and County Y have similar terrain, but the population density of County X is significantly higher than that of County Y. Therefore, a wind farm proposed for one of the two counties should be built in County Y rather than in County X.

Which of the following, if true, most seriously weakens the planner's argument?

正确答案: E

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prep08 cr103看不懂解释求助

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楼主
发表于 2016-4-19 12:00:27 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
    第一次发帖不知道这样对不对ORZ……
          Wind farms, which generate electricity using arrays of thousands ofwind-powered turbines, require vast expanses of open land.  County X and County Y have similar terrain,but the population density of County X is significantly higher than that ofCounty Y.  Therefore, a wind farmproposed for one of the two counties should be built in County Y rather than inCounty X.  
Which of the following,if true, most seriously weakens the planner's argument?
(A)  County X and County Y are adjacent to each other, and both arelocated in the windiest area of the state.
(B)  The total population of County Y is substantially greater than thatof County X.
(C)  Some of the electricity generated by wind farms in County Y would bepurchased by users outside the county.
(D) Wind farms require more land per unit of electricity generated thandoes any other type of electrical-generation facility.
(E)  Nearly all of County X's population is concentrated in a small partof the county, while County Y's population is spread evenly throughout thecounty.
我的问题是B选项。Y总人口多,题干中又说了X人口密度大,那么人多密度小的Y不就只有一个解释就是很分散吗?我知道E为什么对,但B为什么错呢?

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沙发
发表于 2016-4-19 19:52:32 | 只看该作者
人口密度是单位面积土地上居住的人口数,即人口密度=人口数/面积。X、Y面积相仿,X的人口密度大,也就是X的人口多,所以B直接就不对了
板凳
 楼主| 发表于 2016-4-22 09:16:44 | 只看该作者
Forrest_Gu 发表于 2016-4-19 19:52
人口密度是单位面积土地上居住的人口数,即人口密度=人口数/面积。X、Y面积相仿,X的人口密度大,也就是X ...

哇!谢谢谢谢,当时不知道怎么就把自己绕进去了,你这样说瞬间明白过来。原来这样发帖问真的会有人来回答啊好神奇(*^__^*)谢谢你啦!
地板
发表于 2016-9-15 17:19:58 | 只看该作者
请问能分享下PREP08 CR的解析吗,谢谢!!!!!
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