自去年12月开始，Kory每周五下午固定举办了[。玩G妹 ONE GMAT ] K书团/助教时间， 邀请正在准备GMAT的同学。就算没有问题想问，也可以一起聚在教室念书， 至今已经有超过100人次参加罗～ 而每次K书团後，Kory都会总结当天同学最容易卡关的问题， 现在就一起重新分享在GMAT版，回馈众版友： SC的部分 1. rate for的意思是某东西的价钱，rate of是指频率或者速率之类的，两者意思完全不一样喔！ 2. Unlike most severance packages, which require workers to stay until [ the last day scheduled to collect, workers at the automobile company are eligible for its severance package] even if they find a new job before they are terminated. (A) the last day scheduled to collect, workers at the automobile company are eligible for its severance package Unlike中的Package不能跟主要子句的主词workers比 (B) the last day they are scheduled to collect, workers are eligible for the automobile company's severance package Unlike中的Package不能跟主要子句的主词workers比 (C) their last scheduled day to collect, the automobile company offers its severance package to workers Unlike中的Package不能跟主要子句的主词the automobile company比 (D) their last scheduled day in order to collect, the automobile company's severance package is available to workers 这题语意是不像一般的severance package，接着用, which修饰甚麽样的severance package，就是会要求员工待到他们被安排的最後一天才能collect(也就是最後一天之後才能拿到)，那个to stay是跟着require，而in order to是跟着stay的，而collect的受词是前面的package，正确答案 (E) the last day that they are scheduled to collect, the automobile company's severance package is available to workers 语意变得非常奇怪，变成了他们被要求要待到最後一天，甚麽样的最後一天？用限定用法修饰那一天，特别注意that在形容词子句里当受词用，are scheduled to collect的collect是跟着scheduled，而collect的受词会变成在collect这个天，语意完全不通 The use of lie detectors is based on the assumption that lying produces emotional reactions in an individual [that, in turn, create unconscious physiological responses.] (A) that, in turn, create unconscious physiological responses 注意，that不能拿来修饰individual，如果是要修饰individual，那要用C的Ving或者E的who，然而这边的语意到底是甚麽呢？应该是说谎会在人身上产生情绪的反应，而这个反应"in turn"会产生无意识的physiological response才对，所以这个that是要跳过前面的介系词片语修饰前的面的responses，特别注意that後面的动词用的是create，正确答案 (B) that creates unconscious physiological responses in turn 明显想用that修饰单数的individual，慢走不送 (C) creating, in turn, unconscious physiological responses in turn的位置略有不同，但更重要的判题点在於如果是变成修饰individual，语意就会变成谎会在某种人身上产生情绪的反应，哪种人？就是那种in turn会产生无意识的physiological response的人，语意不通 (D) to create, in turn, physiological responses that are unconscious to会变成跟着produce，也就是语意会变成说谎会为了要in turn产生无意识的physiological response而在人身上产生情绪的反应，更不通 (E) who creates unconscious physiological responses in turn 同(C) CR的部分 OG124. It is widely assumed that people need to engage in intellectual activities such as solving crossword puzzles or mathematics problems in order to maintain mental sharpness as they age. In fact, however, simply talking to other people—that is, participating in social interaction, which engages many mental and perceptual skills—suffices. Evidence to this effect comes from a study showing that the more social contact people report, the better their mental skills. Which of the following, if true, most seriously weakens the force of the evidence cited? 这题私以为是OG数一数二难的题目，是一题复合概念型的反驳题 先把题目大概看懂：大部分人assume(预告转折)人们必须要从事智力相关的活动，比方说玩拼字游戏或者解数学题，才能在年华老去的过程中维持住智力。但事实上，参与社交活动就需要很多智力与感知上的应用，所以就足够了。证据是根据研究显示，研究对象回报参与越多的社交活动，他们的智力就越好。 结论句大概会像这样： Social interactions ↑ ----------> 智力↑ (已发生) 这题我个人的第一直觉就是倒因为果，也就是也可能是因为智力较高，所以这些人可以参与比较多的社交活动。相信同学可能会质疑为什麽我可以马上想到这是倒因为果，原因是当我想到结论句是这样的时候，我发现这两件是无法确认谁先发生，所以当然这题可以是他因生此果，但我会先试着考虑倒因为果，试试看之後发现果然有可能可以解释，就把这个思路放心上。 (A) As people grow older, they are often advised to keep exercising their physical and mental capacities in order to maintain or improve them. 这些人被建议去做这些事没办法当成他因，而且完全没有提到social interactions (B) Many medical conditions and treatments that adversely affect a person’s mental sharpness also tend to increase that person’s social isolation. 第一时间没看出来，但至少mental sharpness跟social都有提到。先保留。 (C) Many people are proficient both in social interactions and in solving mathematical problems. 同时两件事都能做到无法提供他因 (D) The study did not itself collect data but analyzed data bearing on the issue from prior studies. 完全没提到其他studies，而且就算真的是这样，那也不代表这个结论是错的 (E) The tasks evaluating mental sharpness for which data were compiled by the study were more akin to mathematics problems than to conversation. task的内容无关 於是回头把B选项搞清楚，这是一个用无因无果(或者说是反因反果)来支持倒因为果的反驳，更精确地说，你会发现这题是一个correlation的概念，Social interactions ↑ ----------> 智力↑的倒因为果就是智力↑ --------> Social interactions ↑，也就是这两个因子是所谓有起点(智力)的正相关，然後B选项的意思就是当智力↓的时候，Social interactions也会↓，这就支持了刚刚上面的线性关系，也就是支持了倒因为果的反驳！ 这题巧妙的应用了几个CR的重要观念，包括倒因为果反驳，correlation，以及无因无果来强化因果，的确是相当漂亮的题目！ --

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