2. 外语
  3. We can infer from the sentence "And it is still early days" in the first paragraph that All of the following were taken as meas

We can infer from the sentence "And it is still early days" in the first paragraph that All of the following were taken as meas

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问题 We can infer from the sentence "And it is still early days" in the first paragraph that
All of the following were taken as measures to guard against click fraud EXCEPT
选项 A、the collaboration between an enterpriser and advertisers.
B、the installation of a defense system.
C、the application of certain software.
D、the employment of some statisticians.
答案D
解析 本题是细节题。由题干中的click fraud定位至第四段，浏览该段发现没有与各选项相关的内容，则顺延至第五段，该段提到企业家Bill Gross早在1998年首创“点击付费”广告模式时采用的应对“点击欺诈的办法”：他安装了一个三层防护系统，先利用滤过系统将已知的点击欺诈者拒之门外，然后通过统计人员和软件审查可疑的点击样本，最后再会同广告商对得到的购买可能性数据进行分析并在必要时发出警告。可见， [A]、[B]和[C]是文章提到的内容，虽然这里提到statisticians，但是不知道他们的身份如何，是聘用的，还是临时请来帮忙的，[D]为过度推断，故为答案。
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