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According to the author, what is wrong with the report about kids buying alcohol?
A.It is unethical to offer cash awards to subjects of survey.
B.The numbers in this report were falsifieD.
C.The samples and statistic methods were not used logically.
D.The study designers and survey conductors were bribeD.

A.It
B.
B.The
C.
C.The
D.
D.The
E.

【参考答案】

C
解析:理解题。根据文中作者所述的内容可知,同意参加网上调查的人们是网络用户,但是并非所有的青少年都是这样(同样,真正花时间来完成这类调查的人也许更可能是活跃的或资深的网络用户)。另外,批发商商会询问被调查者们是否认识一位曾在网上购买过酒的青少年,约12%的人的回答是肯定的。从这种统计数据...

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