【GMAT考满分逻辑CR题库】As a form of public transportation, trains are _真题_答案

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As a form of public transportation, trains are faster than buses and more accessible than subways. Furthermore, in most situations, constructing a train line is much less expensive than establishing a subway line. In most situations, as a result, establishing a railroad is the best way to connect communities, except for communities that derive most of their income from winter sports tourism.

Which of the following, if true, would best explain the exception given above?

A
Commuter trains do not need to negotiate traffic in the way that buses and cars do.
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B
Building a railway is much more expensive than other forms of transport in mountainous terrain.
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C
In order to minimize damage, trains must be periodically serviced, which can be an expensive process.
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D
In some areas, trains are used to transport dangerous chemicals and industrial supplies.
分析该选项
E
Trains in areas that rely on winter sports tourism have approximately the same safety record as those that run anywhere else.
分析该选项

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正确答案: B

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