以下是引用bose0008在2004/11/7 7:14:00的发言: PHENOMENON: the quality of the original carpentry work of hotels built before 1930 is generally superior to that in hotels built afterward. REASON: Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built subsequently. D: The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished. D provides an alternative reason, not because skills of carpenters were different, but because the hotels with poor quality simply don't exist anymore. Thus, weaken.
解释得的太好了! -- by 会员 xinling917 (2009/8/6 11:35:00)
分析问题和阅读的方法很好,
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