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  3. In the first paragraph the author mentioned the conference-goers’ guessing game, he wants to show _____. Which of the following

In the first paragraph the author mentioned the conference-goers’ guessing game, he wants to show _____. Which of the following

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问题 In the first paragraph the author mentioned the conference-goers’ guessing game, he wants to show _____.
Which of the following statements is lure?
选项 A、Only the internet can help people find more way to relatively obscure material.
B、80/20 rule is disproved by long-tail theory.
C、Statistical distribution in the long tail can be highly profitable.
D、The internet is a support point of long-tail theory.
答案D
解析 第三段第二句之后：As evidence,...the experiences of Ecast and other complies such as Amazon, an online bookseller, suggest that products down in the long tail of a statistical distribution, added together, can be highly profitable. The internet helps people find their way to relatively obscure material with recommendations and reviews by other people, (and for those willing to have their artistic tastes predicted by a piece of software) computer programs which analyse past selections．考查考生阅读细节和推断的能力，要对长尾理论有深入理解才能判断，由文意可知互联网是该理论的最佳支撑基础。—互联网为那些品牌影响力不够强大、销售渠道不够健全的中小企业的产品(长尾产品)也找到了很多销售途径，所以正确的是D。由第二句中的a drop in the number of companies that traditionally calculate their revenue/sales ratio according to the 80/20 rule可知通过"二八定律"来计算收入/销售比的公司数量已经有所减少。但drop(减少)并不说明"二八定律"就是错误的，排除B；第四句中说Ecast及Amazon在线书店等其他公司的此类经验表明，对分布在统计图中"长尾巴"区域的产品进行集中销售可以获取高额利润，但这并不意味着所有的商家都适合这样做，故C不正确。A中的only一词太过绝对，其他方式文中虽未提到，但并不等于没有，故不对。
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