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问题详情

8. 为了验证社会预防措施的效果,适宜的研究方法是( )

A、描述性研究

B、分析性研究

C、实验性研究

D、理论性研究

时间：2021-09-01 16:51 关键词：青书学堂平顶山学院护理学社区护理学

答案解析

C

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