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GWD31-2 两道逻辑

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发表于 2009-11-15 23:04:31 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Q15:
Fact:    Asthma, a bronchial condition, is much less common ailment than hay fever, an allergic inflammation of the nasal passages.

    Fact:    Over 95 percent of people who have asthma also suffer from hay fever.

If the information given as facts above is true, which of the following must also be true?

A.    Hay fever is a prerequisite for the development of asthma.
B.    Asthma is a prerequisite for the development of hay fever.
C.    Those who have neither hay fever nor asthma comprise less than 5 percent of the total population.
D.    The number of people who have both of these ailments is greater than the number of people who have only one of them.
E.    The percentage of people suffering from hay fever who also have asthma is lower than 95 percent.
Q16:
Aroca City currently funds its public schools through taxes on property.  In place of this system, the city plans to introduce a sales tax of three percent on all retail sales in the city.  Critics protest that three percent of current retail sales falls short of the amount raised for schools by property taxes.  The critics are correct on this point.  Nevertheless, implementing the plan will probably not reduce the money going to Aroca’s schools.  Several large retailers have selected Aroca City as the site for huge new stores, and these are certain to draw large numbers of shoppers from neighboring municipalities, where sales are taxed at rates of six percent and more.  In consequence, retail sales in Aroca City are bound to increase substantially.

In the argument given, the two potions in boldface play which of the following roles?

A.    The first presents a plan that the argument seeks to defend against a certain criticism; the second gives part of the basis for that criticism.
B.    The first presents a plan that the argument seeks to defend against a certain criticism; the second gives part of the basis for that defense.
C.    The first presents a plan that the argument criticizes; the second is a consideration raised by the argument in support of that criticism.
D.    The first presents a plan that the argument criticizes; the second presents a consideration that has been raised against that criticism.
E.    The first presents a plan whose consequences the argument seeks to evaluate; the second is presented by the argument as one likely consequence that is undesirable.
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沙发
发表于 2009-11-16 04:25:04 | 只看该作者
Q15选E
ABCD可以轻松排除,两个病交集因为是95%of Asthma,而hay fever人数比A多,所以交集肯定是小于95%of hay fever
Q16没有boldface啊?
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