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假设题易混的选项

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楼主
发表于 2003-11-10 15:41:00 | 只看该作者

假设题易混的选项

假设题中,一些选项,我总是误认为是假设,请大家帮助.如何区分假设与混淆选项.


DF-CR14-15,16
Questions 15-16 are based on the following.
Roland: The alarming fact is that 90 percent of the
people in this country now report that they know
someone who is unemployed.
Sharon: But a normal, moderate level of unemployment
is 5 percent, with 1 out of 20 workers unem-
ployed. So at any given time if a person knows
approximately 50 workers, 1 or more will very
likely be unemployed.

16. Sharon's argument relies on the assumption that
(A) normal levels of unemployment are rarely
exceeded
(B) unemployment is not normally concentrated in
geographically isolated segments of the population

答案:B,A如何判断不是假设.

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.
7. The economist's argument makes which of the follow-
ing 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 deposi-
tors by different banks is not a significant
factor in bank failures.
(E) Potential depositors are able to determine which
banks are secure against failure.

D为何不是假设呢?如何判断?

谢谢.
沙发
发表于 2003-11-10 16:17:00 | 只看该作者
假设题的做法有几种.
1.桥梁法. 选项是比较明显地在前提和结论间搭桥的.
2.取非法.有的选项比较隐晦, 需将其取非, 如削弱结论则为答案. 如第16题, 取非可以得出答案.
3. 对结论是提出一些措施和建议的,假设一般是这些措施和建议是可行的.例如第7题, 作者的结论是建议取消存款保险制度, 由存款人自己判断银行倒闭的风险来决定选择存款银行. 为了使其建议可行, 那么存款人自身必须有能力作出判断. 因此E正确.
板凳
 楼主| 发表于 2003-11-10 16:22:00 | 只看该作者
谢谢kathy72.

我请问的是T16中的A为何不对?T7的D为何不对?如何判断的?

谢谢.
地板
发表于 2003-11-10 19:44:00 | 只看该作者
16.将A取非,  即使超过一般的失业率, 例如高达10%, 不妨碍结论"at any given time if a person knows approximately 50 workers, 1 or more will very likely be unemployed."成立呀.

7. 本文结论是建议取消保险制度,由客户自由选择安全性最高的银行. D说不同银行的利率差别不是造成银行倒闭的原因. 其实, 是否原因不要紧, 客户可以自行考虑嘛, 不影响结论成立.
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