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tan tan ru he zuo hao zhong xue hua xue yan shi shi yan
Author(s): 
Pages: 89-91
Year: Issue:  S2
Journal: Journal of Lingling Teachers College

Abstract: 演示实验是学生接受知识、认识客观事物和现象的最初源泉,也是提高化学教学质量的一种重要手段。在中学化学教学大纲中明确指出“在教学过程中教师应认真做好演示实验并重视其示范作用”。因此、如何做好演示实验是一个很值到认真研究的问题。
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