For similar cars and drivers, automobile insurance for collision damage has always cost more in Grea...

题目信息

For similar cars and drivers, automobile insurance for collision damage has always cost more in Greatport than in Fairmont. Police studies, however, show that cars owned by Greatport residents are, on average, slightly less likely to be involved in a collision than cars in Fairmont. Clearly, therefore, insurance companies are making a greater profit on collision-damage insurance in Greatport than in Fairmont.

Which of the following is an assumption on which the argument depends?

A:Repairing typical collision damage does not cost more in Greatport than in Fairmont.

B:There are no more motorists in Greatport than in Fairmont.

C:Greatport residents who have been in a collision are more likely to report it to their insurance company than Fairmont residents are.

D:Fairmont and Greatport are the cities with the highest collision-damage insurance rates.

E:The insurance companies were already aware of the difference in the likelihood of collisions before the publication of the police reports.

参考答案及共享解析

共享解析来源为网络权威资源、GMAT高分考生等；如有疑问，欢迎在评论区提问与讨论

正确答案： A:Repairing typical collision damage does not cost more in Greatport than in Fairmont.

Conclusion: G城的保险公司在碰撞损失险比F城的保险公司取得更大的利润 Premise: G城的关于碰撞损失的汽车保险费用比F城的多，但是针对相同的车和司机，G城居民的车比F城居民的车更少发生碰撞事件

Solution:

思考方向: 影响利润的因素有很多，如果支出的费用高，利润就会降低 Defender（排除他因）：G城的车辆碰撞维修费用并不比F的高，所以排除了支出的费用高会削弱结论的可能

B. 无关信息，G城开车的人不比F城开车的人多对结论没有影响

C. 削弱结论，发生车辆碰撞时，G城的人比F城的人更愿意找保险公司，削弱了结论

D. 无关信息，F城和G城是碰撞损失险费率最高的城市对结论没有影响

E. 无关信息，保险公司已经知道发生碰撞可能性的区别对结论没有影响

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