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prep上两道题

本帖最后由 shaoyipeng 于 2010-4-6 21:40 编辑


2.C


Economist:
On average, the emergency treatment for an elderly person for injuries resulting from a fall costs $11,000.
A new therapeutic program can significantly reduce an elderly person's chances of falling.
Though obviously desirable for many reasons, this treatment program will cost $12,500 and thus cannot be justified.


Which of the following, if true, most seriously undermines the conclusion of the argument?

(A) Among elderly people who had followed the program for only a few months, the number of serious falls reported was higher than it was for people who had followed the program for its recommended minimum length of one year.

(B) Falls resulting in serious injuries are less common among elderly people living in nursing homes than they are among elderly people who live alone at home.

(C) A frequent result of injuries sustained in falls is long-term pain, medication for which is not counted among the average per-person costs of emergency treatment for elderly people's injuries from such falls.

(D) The new therapeutic program focuses on therapies other than medication, since overmedication can cause disorientation and hence increase the likelihood that an elderly person will have a serious fall.


(E) A significant portion of the cost of the new therapeutic program is represented by regular visits by health care professionals, the costs of which tend to increase more rapidly than do those of other elements of the program.

12.E
(25359-!-item-!-188;#058&001894)   哪位nn能指点一下~~我可能题杆就理解的不对


Finding of a survey of Systems magazine subscribers:
Thirty percent of all merchandise orders placed by subscribers in response to advertisements in the magazine last year were placed by subscribers under age thirty-five.

Finding of a survey of advertisers in Systems magazine:
Most of the merchandise orders placed in response to advertisements in Systems last year were placed by people under age thirty-five.


For both of the findings to be accurate, which of the following must be true?


(A) More subscribers to Systems who have never ordered merchandise in response to advertisements in the magazine are age thirty-five or over than are under age thirty-five.

(B) Among subscribers to Systems, the proportion who are under age thirty-five was considerably lower last year than it is now.

(C) Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers over age thirty-five.

(D) Last year, the average dollar amount of merchandise orders placed was less for subscribers under age thirty-five than for those age thirty-five or over.

(E) Last year many people who placed orders for merchandise in response to advertisements in Systems were not subscribers to the magazine.

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第一个题目:经济学家说,对于老年人由于跌倒造成的伤害的紧急治疗费用平均是$11000有一种新的治疗方案可以大大的减低老年人跌倒的机会。结论说,这种治疗的费用$12500是没有道理的。
        
C选项,说了摔跤这种是长期的病痛,总归要一直治疗,这笔费用不能算做是紧急费用里面的。所以说那个$12500钱数,有可能是合理的,这个选项就weaken了结论。希望可以帮到楼主

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第二题:

1.Subscriber 的调查:在订阅者当中,只有30%的order是由35岁以下人定的

2.杂志的调查:大部分的订单都是由35岁以下人定的

若上述两者都对的话,要注意两者说的调查范围的差异,一个调查范围是“在订阅者当中下订单

的”,一个范围是“下订单的”,所以就要把这个漏洞补上

E正好说明了:E说有很多人下了订单但是没有定杂志!

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