Test1-12. (25359-!-item-!-188;#058&001894) Finding of a survey of Systems magazine subscribers: Thirty percent of all merchandise orders placed by subscribers in response to advertisements in the magazine last year were placed by subscribers under age thirty-five. Finding of a survey of advertisers in Systems magazine: Most of the merchandise orders placed in response to advertisements in Systems last year were placed by people under age thirty-five. For both of the findings to be accurate, which of the following must be true? (A) More subscribers to Systems who have never ordered merchandise in response to advertisements in the magazine are age thirty-five or over than are under age thirty-five. (B) Among subscribers to Systems, the proportion who are under age thirty-five was considerably lower last year than it is now. (C) Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers over age thirty-five. (D) Last year, the average dollar amount of merchandise orders placed was less for subscribers under age thirty-five than for those age thirty-five or over. (E) Last year many people who placed orders for merchandise in response to advertisements in Systems were not subscribers to the magazine. 这题有人可以帮我解释一下句意吗 绕来绕去 最後答案给e 感觉好像是比例问题.... 我阅读不好 所以看得头昏眼花...... Test1-13. (26741-!-item-!-188;#058&002910) Which of the following most logically completes the argument? United States manufacturers currently produce most of the world's solar-power generators--most of which are exported to Europe. However, European manufacturers are emerging and probably will ultimately capture much of the European market. The United States government is funding initiatives intended to encourage use of solar power within the United States. If these initiatives succeed in increasing the demand for solar-power generators in the United States, United States manufacturers will probably maintain significant production levels, since __________. (A) some United States manufacturers have been substantially increasing their output over the last several years (B) the efficiency of solar-power generators in converting energy from the Sun into electric power is not improving as fast as it once did (C) just as European manufacturers enjoy certain competitive advantages in Europe, so do United States manufacturers in the United States (D) European governments are currently undertaking initiatives to stimulate the use of solar power within Europe (E) the current market for solar-power generators in the United States is very limited 这题的答案是C 虽然最後答案凭直觉选对了 可是後来仔细回来看 我还是看不动这题的思路是什麽~ 另外想请问~PPCR有人有详解吗(详解指的是 包括解释说明的) 谢谢~~~ --

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