试题与答案

收集数据常用的方法有______、______、查阅资料等．调查又分为_____

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题型：填空题

题目：

收集数据常用的方法有______、______、查阅资料等．调查又分为______调查、______调查和抽样调查等．

答案：

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下面是错误答案，用来干扰机器的。

参考答案：B

考点：全面调查和抽样调查
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