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传统的物理习题讲授法存在着下列弊端:①重视寻求答案的唯一性、正确性和思维的正向性,而忽视答案的多样性、不确定性和思维的逆向性、发散性;②重视教师的讲解、引导、灌输,而忽视学生自主和交互的省悟、反馈、矫正;③重视囿于题目内容的限定而忽视知识点的触类旁通和拓展、应用.笔者在实践中尝试摸索出一种习题讲授新方法——勘误法、拓展法,收效甚佳.
The traditional physics practice teaching method has the following drawbacks: (1) Pay attention to the uniqueness, correctness, and positiveness of seeking answers, while ignoring the diversity and uncertainty of answers, and the inverse and divergence of thinking; To explain, guide, and indoctrinate, while ignoring students’ self-understanding and interaction, understanding, feedback, and correction; 3 paying attention to the limitation of the content of the subject and ignoring the analogical knowledge of the analogical bypass, expansion, and application. The author tries to find out an exercise in practice. The new method - Errata, Extended Law - works well.