Only a reduction of 10 percent in the number of scheduled flights using Greentown's airport will allow the delays that are so common there to be avoided. Hevelia airstrip, 40 miles away, would, if upgraded and expanded, be an attractive alternative for fully 20 percent of the passengers using Greentown airport. Nevertheless, experts reject the claim that turning Hevelia into a full-service airport would end the chronic delays at Greentown.

　　题目翻译：G机场需要减少10%的客流才能避免目前的拥挤。附近的H机场如果升级扩建，能分流掉G机场20%的客流。然而专家却认为扩建H机场并没有什么作用。

　　Which of the following, if true, most helps to justify experts' position?

　　A Turning Hevelia into a full-service airport would require not only substantial construction at the airport itself, but also the construction of new access highways.

　　B A second largely undeveloped airstrip close to Greentown airport would be a more attractive alternative than Hevelia for many passengers who now use Greentown.

　　C Hevelia airstrip lies in a relatively undeveloped area but would, if it became a full-service airport, be a magnet for commercial and residential development.

　　D If an airplane has to wait to land, the extra jet fuel required adds significantly to the airline's costs.

　　E Several airlines use Greentown as a regional hub, so that most flights landing at Greentown have many passengers who then take different flights to reach their final destinations.

　　正确答案：E

　　选项分析：

　　A 需要很多基础建设，投入成本高。成本高和H机场是否有用没有关系。联想陷阱。排除

　　B 另一个并不发达的机场对用户来说更有吸引力 与H机场无关，联想陷阱。排除

　　C 这个地方并不发达 所以这个机场能成为一个商业中心。同B。无关选项。排除

　　D 飞机在空中盘旋要更多成本 还是成本问题 无关选项。排除

　　E 很多人用这地方作为中转站 这选项说的是G机场不能被替换的功能，即使建成了H机场大家还是会使用G机场作为中转站，所以H机场扩建没有用，无法解决拥挤问题。

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