Because of rising costs, United Shipping Company raised its rates by ten percent last year. Many of its customers balked at the increase, however, and turned to a rival company whose rates were lower. In response, United Shipping Company began offering a package of services for a single rate that, though high, is still lower than the combined rates of the individual services. Officers of the company claim that this move will recoup the company's lost profits.
Which of the following, if true, provides the best basis for the officers' claim?
United Shipping will aggressively advertise the new package of services.
United Shipping's rival does not offer some of the services included in the package.
Marketing studies have shown that many of United Shipping's former customers would prefer a combined rate for their various shipping services.
United Shipping does not already offer all the services separately.
No other shipping company offers the same package of services as United Shipping.
Premise是说 service合并后 rate低了 （hidden premise： 人们因为rate低才会愿意去买） conclusion 可以recover lost profit
A 无关 B Rival offer不offer和 rate 无关 不是argument的premise C 取反后 削弱，尽管rate低了，没人prefer这个所以没人买，lost profit不能被recover D 取反后 说这个company一直offer所有的服务seperately，有些无关，如果细纠，seperately service的rate相对较高，所以增强了premise，故这个选项取反后增强argument，所以排除 E 其他公司offer不offer service in similar way 不影响premise，因为和减少rate无关。
Premise是说 service合并后 rate低了 （hidden premise： 人们因为rate低才会愿意去买） conclusion 可以recover lost profit
A 无关 B Rival offer不offer和 rate 无关 不是argument的premise C 取反后 削弱，尽管rate低了，没人prefer这个所以没人买，lost profit不能被recover D 取反后 说这个company一直offer所有的服务seperately，有些无关，如果细纠，seperately service的rate相对较高，所以增强了premise，故这个选项取反后增强argument，所以排除 E 其他公司offer不offer service in similar way 不影响premise，因为和减少rate无关。
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发表于 2012-3-17 18:39:51
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