【OG24-658题】Which of the following most logically completes the argument? In a typical year, Innovair's airplanes are involved in 35 collisions while parked or being towed in airports, with a resulting yearly cost of $1 ,0 0 0 , 0 0 0 for repairs. To reduce the frequency of ground collisions, Innovair will begin giving its ground crews additional training, at an annual cost of $500,000. Although this will cut the number of ground collisions by about half at best, the drop in repair costs can be expected to be much greater, since_________ 、_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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Which of the following most logically completes the argument?

In a typical year, Innovair's airplanes are involved in 35 collisions while parked or being towed in airports, with a resulting yearly cost of $1 ,0 0 0 , 0 0 0 for repairs.

To reduce the frequency of ground collisions, Innovair will begin giving its ground crews additional training, at an annual cost of $500,000. Although this will cut the number of ground collisions by about half at best, the drop in repair costs can be expected to be much greater, since_________ 、

most ground collisions happen when ground crews are rushing to minimize the time a delayed airplane spends on the ground a ground collision typically occurs when there are no passengers on the airplane the additional training will focus on helping ground crews avoid those kinds of ground collisions that cause the most costly damage the $500,000 cost figure for the additional training of ground crews includes the wages that those crews will earn during the time spent in actual training most ground collisions have been caused by the least experienced ground-crew members

正确答案： C

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题干翻译
通常情况下，Innovair的飞机在机场停放或拖行时每年发生35起碰撞，每年维修成本达100万美元。为减少地面碰撞频率，Innovair将对地面工作人员进行额外培训，每年成本50万美元。尽管最多只能将地面碰撞数量减少约一半，但维修成本的下降幅度预计会大得多，因为______。 逻辑链
Training→Collisions↓→Costs↓ more 问题类型
解释原因（填空类，本质是增强逻辑） 推理过程
已知额外培训最多使碰撞数量减半，但维修成本下降幅度却更大，需要找到一个原因来解释为什么在碰撞数量减少有限的情况下，维修成本能大幅下降。 选项分析
A选项：大多数地面碰撞发生在地面工作人员急于减少延误飞机在地面停留时间时。此选项仅说明了碰撞发生的情境，未提及与维修成本下降幅度大的关系，无法解释，排除。 B选项：地面碰撞通常发生在飞机上没有乘客的时候。这与维修成本下降幅度大这一现象毫无关联，排除。 C选项：额外培训将专注于帮助地面工作人员避免那些造成最昂贵损失的地面碰撞。意味着即使碰撞数量只减少一半，但减少的都是造成高额维修费用的碰撞，所以能解释维修成本下降幅度更大，当选。 D选项：地面工作人员额外培训的50万美元成本数字包括他们在实际培训期间所赚取的工资。说的是培训成本的构成，和维修成本下降幅度大无关，排除。 E选项：大多数地面碰撞是由最缺乏经验的地面工作人员造成的。没有涉及到对维修成本下降幅度大的解释，排除。

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