OG 2019 654&667求教

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654.Although the discount stores in G central shopping district are expected to close within five years as a result of competition from Spendless discount department store that just opened, those locations will not stay vacant for long. In the five years since the opening of Colson’s, a nondiscount department store, a new store has opened at the location of every store in the shopping district that closed because it could not compete with Colson’s.
问哪个削弱观点
B Increasingly，the stores that have opened in the central shopping district since Colson’s opened have been discount stores.
题目看懂 但题目里的逻辑关系没有理顺 求讲解B如何削弱了原文逻辑？

667.It is widely assumed that people need to engage in intellectual activities such as solving crossword puzzles or math problems. 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.
问题要求削弱观点
B.Many medical conditions and treatments that adversely affect a person’s mental sharpness also tend to increase that person’s social isolation.
题目读懂 逻辑也比较清晰 B选项也能通过排除法得出 但是对于B的解释我的理解是这样的：许多对头脑清晰程度产生负面影响的疗法同样会增加一个人的社会孤立程度 这不是加强了文章社会交流越多头脑清晰度越好的观点吗？是我哪里理解有问题吗 求讲解?

ripple_018

是这样子的，我说的不对你再回我，我的理解是看后面的解析的出来的

1，题目讲了两件事，因为一家S折扣店的开业，G店5年内就要倒闭了，但是作者觉得这个不是问题，他的逻辑是，过去这件事情也发生过，在C开头的那家店开的时候很多店也倒闭了，但是倒闭的那些店铺很快就被新的店占领了，所以他觉得根据过去的经验，这次S店开了以后因为它倒闭的店的位置很快也会开很多其他的店。

选项的逻辑是，C店倒闭的时候，新开的店都是折扣店，这次S店本身就是个折扣店，所以G店倒闭后是不是会有新的店，不能用C店的例子来佐证。

2，这个选项的点在于它认为因果关系可能是颠倒的，是因为那些人思维能力好，所以社交能力强，选项里面的例子说因为某些人服用了削弱了思维能力的药物然后导致了社交障碍，表明因果关系是反过来的。

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ripple_018 发表于 2019-10-31 18:08:36
2，这个选项的点在于它认为因果关系可能是颠倒的，是因为那些人思维能力好，所以社交能力强，选项里面的例...

明白了 1B有点错误类推的感觉呗nondiscount Store open-stores closed-new store replace推discount S open-discount stores closed-new Store replace 但实际正是因为discount S其他discount stores才倒闭所以如果新开的店是discount stores就会削弱原文will not stay vacant for long 但是还有一个问题 也许不影响解题但还是想问一下就是because it cannot compete with C store这块你怎么理解新店在旧址开业是因为无法跟C竞争？你觉得because后面这半句有作用吗