开展问卷调查的第一步骤是 The first step in conducting a questionnaire survey isA．收集资料 data collectionB．确定研究问题 to determine a research topicC．确定抽样方案 to determine the type of samplingD．制定调查方案 to make an investigation plan
开展问卷调查的第一步骤是 The first step in conducting a questionnaire survey is
A．收集资料 data collection
B．确定研究问题 to determine a research topic
C．确定抽样方案 to determine the type of sampling
D．制定调查方案 to make an investigation plan
参考答案和解析
确定研究问题 to determine a research topic
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