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题库 / GMATLA-CR-15
Which of the following, if true, most logically completes the passage?
A recent poll found that over 80 percent of the residents of Nalmed Province favored a massive expansion of the commuter rail system as a means of significantly easing congestion on the province's highways and were willing to help pay for the expansion through an increase in their taxes. Nevertheless, the poll results indicate that expansion of the rail system, if successfully completed, would be unlikely to achieve its goal of easing congestion, because _______.
most people in favor of expanding the rail system reported less congestion during their highway commute as the primary benefit they would experience
of the less than 20 percent of residents not counted as favoring the expansion, about half claimed to have no opinion one way or the other
the twice-daily periods of peak congestion caused by people commuting in cars have grown from about an hour each to almost two and a half hours each in the past 20 years
expanding the commuter rail system will require the construction of dozens of miles of new railbed
the proposed expansion to the commuter rail system will make it possible for some people who both live and work at suburban locations to commute by rail
E为什么不可以？乘坐rail的人更多了，不是不能ease congestion了吗
因為題目的asm：建了rail，highway的部分需求會轉移過去。所以才有能得出rail可以舒緩congestion的結論。但是真的結論說不能舒緩，那肯定就是需求並沒有轉移過來
E。選項只告訴我們rail會吸引新的需求，但是沒有告訴我們為舒緩congestion而需要轉移過來的highway需求到底有多少。考慮即使新需求出現了，只要新的供給可以滿足需求且有人從highway轉移過來使用rail，那麼congestion on highway依舊會舒緩，所以E是irrlevant的。
题目问的是 这个计划不能缓解交通，因为....
E坐rail的人多了，公路上的开车的人就少了， 是可以缓解交通的
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