2. 公园做广告
LordVoldemort 评价：题，因为在公园做一个广告，告诉大家一种商品售价为P的已经卖完了，结果被调查的人反应，他们看了这广告后，比以前更愿意去消费另外售价为Q的这种商品。
编的题目：
An advertisement posed in a park states that Olio cookies with a price of P dollars have been sold out. Investigation on those people who are exposed to the advertisement shows that a larger proportion of people than before purchase another kind of Olio cookies with a price of Q dollars.
The answer to which one of the following question, can evaluate a conclusion that the advertisement influences the purchasing behavior of investigated people?
A. Whether the investigated people have no choice except purchasing Olio cookies with a price of Q, because there are only two kinds of Olio cookies available in market?
B. Whether the investigation focuses more on those who purchase more than one kinds of Olio cookies?
C. Whether another kind of cookies is promoted in the advertisement?
D. Whether P > Q?
E. Whether the Olio cookies with a price Q dollars are also sold out?
选A
3. 运水有毒
xiaoruo246 lead pipe输水会释放毒素，当地政府还是组织的为了引起人们对这个危害的awareness，发起了一个campaign。但是发现家庭用水量更多了，所以这个campaign是失败的。问削弱，A 消除水中有害物质的一种方法是在使用水之前先放水一段时间。
编的题目：
Lead water main pipes deliver water to homes and businesses all over the city of Redmond. Because of health concerns related to lead, local government organized a campaign, in which the healthy harms were fully informed to citizens. However, statistics on local family showed that they consumed larger amount of drinking water than that before the campaign. Therefore, the campaign is clearly counter to the governor's ultimate goal.
Which one of following, if true, most seriously weakens the conclusion, above?
A. The campaign organized by government before was effective to avoid harms to local citizens;
B. One of the methods to eliminate the harm caused by the poison in drinking water is to drink it after several minutes water comes out from lead pipe.
C. The campaign informed citizens not only the poison of lead pipe, but also the remedy method if getting poison.
D. An agent had been set up by local government to inspect all the potential position in the drinking water sent to local family, and it deferred substandard water to reach citizens.
E. lead water main pipes are a necessary part of the delivery of water in Redmond
选B
