【OG24-662题】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.Which of the following, if true, most helps to justify experts' position? _mofa留学圈mofaGRE在线题库系统_GRE在线搜题_GRE题库解析_GRE真题机经_GRE课程_GRE培训机构

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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.

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

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. A second largely undeveloped airstrip close to Greentown airport would be a more attractive alternative than Hevelia for many passengers who now use Greentown. 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. If an airplane has to wait to land, the extra jet fuel required adds significantly to the airline's costs. 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

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题干翻译
格林敦机场（Greentown airport）的长期延误十分常见难以避免。40英里外的赫韦利亚简易机场（Hevelia airstrip），如果升级扩建，对20%使用格林敦机场的乘客来说是有吸引力的替代选择。然而，专家拒绝了将赫韦利亚变为全方位服务机场能结束格林敦长期延误这一说法。 逻辑链
Hevelia变全服务机场→不能结束Greentown延误 问题类型
增强题（justify experts' position即支持专家观点） 推理过程
需要找到一个理由，说明即便赫韦利亚变为全方位服务机场，也无法解决格林敦机场的长期延误问题。 选项分析
A选项：将赫韦利亚变为全方位服务机场不仅需要在机场本身进行大量建设，还需要修建新的交通高速公路。这说的是改造赫韦利亚的成本和条件，与它能否解决格林敦延误问题无关，排除。 B选项：格林敦机场附近还有一个尚未充分开发的简易机场，对许多现在使用格林敦机场的乘客来说比赫韦利亚更有吸引力。这只能说明还有其他替代选择，但不能解释为什么赫韦利亚不能解决格林敦的延误，排除。 C选项：赫韦利亚简易机场位于相对未开发地区，但如果成为全方位服务机场，将吸引商业和住宅开发。这是关于赫韦利亚对周边开发的影响，和格林敦机场延误问题没有直接关联，排除。 D选项：如果飞机要等待降落，额外所需的喷气燃料会显著增加航空公司成本。这是在说飞机等待降落的成本问题，与赫韦利亚能否解决格林敦延误无关，排除。 E选项：几家航空公司将格林敦作为区域枢纽，所以大多数在格林敦降落的航班有许多乘客随后乘坐不同航班前往最终目的地。这表明格林敦机场因为是区域枢纽，客流量大且复杂，即使赫韦利亚变为全方位服务机场分流20%乘客，也难以缓解格林敦的长期延误，增强了专家的观点，当选。

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