[逻辑小分队] OG 13 假设题 93 和106

93. Commentator: The theoryof trade retaliation states that countries closed out of any of anothercountry’s markets should close some of their own markets to the other countryin order to pressure the other country to reopen its markets. If every countryacted according to this theory, no country would trade with any other.

The commentator’s argumentrelies on which of the following assumptions?

(A) No country actually actsaccording to the theory of trade retaliation.

(B) No country should blockany of its markets to foreign trade.

(C) Trade disputes should besettled by international tribunal.

(D) For any two countries,at least one has some market closed to the other.

(E) Countries close theirmarkets to foreigners to protect domestic producers.

106. Exposure to certainchemicals commonly used in elementary schools as cleaners or pesticides causesallergic reactions in some children. Elementary school nurses in Renston reportthat the proportion of schoolchildren sent to them for treatment of allergicreactions to those chemicals has increased significantly over the past tenyears. Therefore, either Renston’s schoolchildren have been exposed to greaterquantities of the chemicals, or they are more sensitive to them thanschoolchildren were ten years ago.

Which of the following is anassumption on which the argument depends?

(A) The number of schoolnurses employed by Renston’s elementary schools has not decreased over the pastten years.

(B) Children who areallergic to the chemicals are no more likely than other children to haveallergies to other substances.

(C) Children who haveallergic reactions to the chemicals are not more likely to be sent to a schoolnurse now than they were ten years ago.

(D) The chemicals are notcommonly used as cleaners or pesticides in houses and apartment buildings inRenston.

(E) Children attendingelementary school do not make up a larger proportion of Renston’s populationnow than they did ten years ago.