所以只需要仔细审视A和B

　　A: “最低工资上升的时候，失业率上升”，这与原文逻辑(更低工资将导致失业率不上升)形成了“反因反果”的关系，所以是加强。(比如：“不长跑的人不长寿”加强了“长跑的人长寿”)

　　这样A就被排除了

　　所以答案只能是B

　　B的正面论证：

　　B： “最低工资不变的时候，失业率上升”说明失业率上升可能另有他因。这个论证的说服力不是很强，所以该题用排除法更有效。注意：削弱只是降低推理成立的可能性，而不需要推翻原文逻辑

　　“Fast cycle time” is a strategy of designing a manufacturing organization to eliminate bottlenecks and delays in production. Not only does it speed up production, but it also assures quality. The reason is that the bottlenecks and delays cannot be eliminated unless all work is done right the first time.

　　The claim about quality made above rests on a questionable presupposition that

　　(A) any flaw in work on a product would cause a bottleneck or delay and so would be prevented from occurring on a “fast cycle” production line

　　(B) the strategy of “fast cycle time” would require fundamental rethinking of product design

　　(C) the primary goal of the organization is to produce a product of unexcelled quality, rather than to generate profits for stockholders

　　(D) “fast cycle time” could be achieved by shaving time off each of the component processes in production cycle

　　(E) “fast cycle time” is a concept in business strategy that has not yet been put into practice in a factory

　　本着“先读问题，再看原文”的原则，首先发现是假设题(标志很明显：rest on a questionable presupposition; 不必理会questionable这个词)。然后又发现原文很绕，其中好像有两套逻辑，比较麻烦；那就看选项吧，毕竟考场上时间有限。

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