19.Which of the following best completes the passage below? People buy prestige when they buy a premium product. They want to be associated with something special. Mass-marketing techniques and price-reduction strategies should not be used because____.
A. affluent purchasers currently represent a shrinking portion of the population of all purchasers
B. continued sales depend directly on the maintenance of an aura of exclusivity
C. purchasers of premium products are concerned with the quality as well as with the price of the products
D. expansion of the market niche to include a broader spectrum of consumers will increase profits
E. manufacturing a premium brand is not necessarily more costly than manufacturing a standard brand of the same product
23. With the emergence of biotechnology companies, it was feared that they would impose silence about proprietary results on their in-house researchers and their academic consultants. This constraint, in turn, would slow the development of biological science and engineering.
Which of the following, if true, would tend to weaken most seriously the prediction of scientific secrecy described above?
(A) Biotechnological research funded by industry has reached some conclusions that are of major scientific importance.
(B) When the results of scientific research are kept secret, independent researchers are unable to build on those results.
(C) Since the research priorities of biotechnology companies are not the same as those of academic insititutions, the financial support of research by such companies distorts the research agenda.
(D) To enhance the companies’ standing in the scientific community, the biotechnology companies encourage employees to publish their results, especially results that are important.
(E) Biotechnology companies devote some of their research resources to problems that are of fundamental scientific importance and that are not expected to produce immediate practical applications
对于答案大概感觉是理解的，但是因为刚开始搞CR时间不长，在脑中形不成规范的逻辑思路，希望大家能指出这两道题的逻辑思路 3x
23 担心生物技术公司对研究结果的限制会延缓生物科学的进步。
担心生物技术公司对研究结果的限制是因，
延缓生物科学的进步是果。
A无关
B加强
C加强
D选项削弱因。
E无关
是这样 明白了 谢谢！
19 新手我的理解：
题目： 当人们买贵的产品的时候，他们实际买的是声望（就像有的人就是喜欢名牌效应一样，图的就是少和特殊，也许质量好），大量的市场销售技术和减价销售不应该被采用因为_____
B正确，继续要让这种产品似乎是特殊的，不容易获得的， 是这个产品显示出不一般。
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