标题: LSAT-22-2-12 [打印本页] 作者: rt316 时间: 2003-9-11 06:42 标题: LSAT-22-2-12 22-2-12(D)-觉得应该是B One year ago a local government initiated an antismoking
advertising campaign in local newspapers which it financed by
imposing a tax on cigarettes of 20 cents per pack. One year later
the number of people in the locality who smoke cigarettes had
declined by 3 percent. Clearly what was said in the
advertisements had an effect although a small one on the number
of people in the locality who smoke cigarettes. Which one of the following, if true, most helps to strengthen
argument? (A) Residents of the locality have not increased their use of
other tobacco products such as snuff and chewing tobacco since
the campaign went into effect (B) A substantial number of cigarette smokers in the locality who
did not quit smoking during the campaign now smoke less than they
did before it began (C) Admissions to the local hospital for chronic respiratory
ailments were down by 15 percent one year after the campaign
began (D) Merchants in the locality responded to the local tax by
reducing the price at which they sold cigarettes by 20 cents per
pack (E) Smokers in the locality had incomes that on average were 25
percent lower than those of nonsmokers 作者: mindfree 时间: 2003-9-11 07:40
B is a weaken answer.
You need to read the question more carefully. The conclusion is "Clearly what was said in the advertisements had an effect although a small one on the number of people in the locality who smoke cigarettes".
B will weaken the conclusion by saying that it is not that the number of smokers dropped, but that people smoked less.
D is the right answer. Basically it indicates that the price of cigarettes did not increase due to the imposed tax. In another word, as the price did not go up, the drop in number of smokers is not the result of price change.