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标题: 旧PREP-Q66，NN们来帮帮忙，误区在哪？ [打印本页]

作者: gmatbiguo 时间: 2011-7-16 09:45
标题: 旧PREP-Q66，NN们来帮帮忙，误区在哪？
Bank depositors in the United States are all financially protected against bank failure because the government insures all individuals' bank deposits. An economist argues that this insurance is partly responsible for the high rate of bank failures, since it removes from depositors any financial incentive to find out whether the bank that holds their money is secure against failure. If depositors were more selective, then banks would need to be secure in order to compete for depositors' money.

The economist's argument makes which of the following assumptions?

(A) Bank failures are caused when big borrowers default on loan repayments.
(B) A significant proportion of depositors maintain accounts at several different banks.
(C) The more a depositor has to deposit, the more careful he or she tends to be in selecting a bank.
(D) The difference in the interest rates paid to depositors by different banks is not a significant factor in bank failures.
(E) Potential depositors are able to determine which banks are secure against failure.
答案选E，但是我选了D.我认为D选项取非后正好构成它因，对原文说由insurance构成bank failure的逻辑造成削弱。E中potienal depositor我认为是无关的。

作者: gmatbiguo 时间: 2011-7-16 13:08
顶

作者: jameshzd 时间: 2011-7-16 14:24
首先把D 取非得：The difference in the interest rates paid to depositors by different banks is a significant factor in bank failures 这个和 this insurance is partly responsible for the high rate of bank failures 并不冲突，另外 assumption 取非后不是看它能否 weaken the evidence 而是看它能否 weaken the conclusion。什么原因造成 bank failure 和If depositors were more selective, then banks would need to be secure in order to compete for depositors' money.一点关系都没有。

看 E，取非：depositors 不具备认知 bank 不是不否 secure against failure 的能力，那么即使 if depositors were more selective（即使depositors 存钱时会有选择性），但是他们的能力不具备他们可以选择到一个资信好的银行，那么weaken the conclusion: 银行就不用为了和其他银行抢客户而去努力be secure。

hope it helps~

作者: gmatbiguo 时间: 2011-7-17 10:37

首先把D 取非得：The difference in the interest rates paid to depositors by different banks is a significant factor in bank failures 这个和 this insurance is partly responsible for the high rate of bank failures 并不冲突，另外 assumption 取非后不是看它能否 weaken the evidence 而是看它能否 weaken the conclusion。什么原因造成 bank failure 和If depositors were more selective, then banks would need to be secure in order to compete for depositors' money.一点关系都没有。

看 E，取非：depositors 不具备认知 bank 不是不否 secure against failure 的能力，那么即使 if depositors were more selective（即使depositors 存钱时会有选择性），但是他们的能力不具备他们可以选择到一个资信好的银行，那么weaken the conclusion: 银行就不用为了和其他银行抢客户而去努力be secure。

hope it helps~

-- by 会员 jameshzd (2011/7/16 14:24:22)

明白了，谢谢大侠！

作者: klllun 时间: 2011-11-27 22:42
再问一个，对于C选项的取非要怎么取啊？谢谢路过的NN啦

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