14. The value of a product is determined by the ratio of its quality to its price. The higher the value of a product, the better will be its competitive position. Therefore, either increasing the quality or lowering the price of a given product will increase the likelihood that consumer will select that product rather than a competing one. Which of the following, if true, would most strengthen the conclusion drawn above? (A) It is possible to increase both the quality and the price of a product without changing its competitive position. (B) For certain segments of the population of consumers, higher-priced brands of some product lines are preferred to the lower-priced brands. (C) Competing products often try to appeal to different segments of the population of consumers. (D) The competitive position of a product can be affected by such factors as advertising and brand loyalty. (E) Consumers' perceptions of the quality of a product are based on the actual quality of the product.
答案要:E,我感觉没有一个可以加强啊?
能讲讲吗?谢谢。
15. Because incumbent members of Congress are given a great deal of attention by the news media and because they enjoy such perquisites as free mail privileges and generous travel allowance, incumbents enjoy an overwhelming advantage over their challengers in elections for the United States Congress. Which of the following, if true, best supports the claim above? (A) In the last congressional elections, incumbents met with a large number of lobbyists than did challengers. (B) In the last congressional elections, 98 percent of the incumbents in the House of Representatives who were seeking reelection won. (C) Incumbent members of Congress are frequently critical of the amount of attention given to them by the news media. (D) The support that political action committees provide to challengers for congressional seats often compensates for the perquisites enjoyed by incumbent members of Congress. (E) Of all incumbent senators surveyed before the last congressional elections, 78 percent said that their challengers did not pose a serious threat to their chances for reelection.
ans:B,请问E是不是也能加强?
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