◎ 题干
Is a ___ answered by 500 people truly representative of national opinion?

[     ]

A. millionaire
B. questionnaire
C. problem
D. question
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Is a ___ answered by 500 people truly representative of national opinion?[ ]A. millionaire B. questionnaire C. problem D. question …”主要考查了你对  【名词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。