7.27削弱题型及例题分析(雷哥GMAT).pdf

削弱题型及例题分析|雷哥 GMAT 【削弱题】 削弱题 ，又称weaken题目。通常需要反驳文中的观点 ，或弱化结论成立的可能性。 标志性词语 ：weaken、undermine、cast doubt on、weakness、threaten、 call into question 解题思路 ：提出其他可能性或破坏逻辑关系 ，使文章结论无法成立。 解题技巧 ： 1 ）weaken题原文中必须出现结论 ，因此判断出结论最重要 2 ）关注结论 ，几乎所有正确选项都对结论产生影响 3 ）原文信息当中的推理错误要仔细读 4 ）Weaken题经常需要用到预测选项特征 5 ）正确选项中经常出现原文没有的新信息 6 ）weaken题目正确选项从来不会攻击 premise （即前提都是默认为真的 ）（除非该前提 是一个 sub-conclusion），因此寻找正确答案时 ，一定要找那个能攻击到推理链的 ，不要 找直接攻击前提的。 错误答案特征雷哥 GMAT解析 ： 1.Weaken变 support 2.对结论作改写 ，使得与原文结论有细微差别 3.无关选项 例题 ：OG16-P503-4 Editorial The roof of Northtown’ s municipal equipment-storage building collapsed underthe weight of last week’ s heavy snowfall. The building was constructed recently and met local building-saf ety codes in every particular, except that the nails used for attaching roof supports to the building’ s columnswere of a smaller size thanthe codes specify for this purpose. Clearly, t his collapse exemplifies how even a single, apparently insignificant departure from safety standards can have severe consequences. Which of the following, if true, most seriously weakens the editorial’s argument? (A) The only other buildings to suffer roof collapses fromthe weight of the snowfa llwere older buildings constructed according to less exacting standards than thos e inthe codes. (B) The amount of snow that accumulated onthe roof of the equipment storage b uilding was greaterthanthe predicted maximumthat was used in drawing upthe safety codes. (C) Because the equipment-storage building was not intended for human occupati on, some safety-code provisions that would have applied to an office building did not apply to it. (D) The municipality of Northtown itself has the responsibility for ensuring that bu ildings constructed within its boundaries meet the provisions of the bu