论中学历史教学内容的优化李秀年一、优化教学内容的必要性与合理性按教本教课，已成为历史教师的教学惯例。但是，很少有人考虑教材知识的组织形式是否便于学生对知识的吸收、理解和运用；课本知识如何区分主次，是不是所有知识都是学生必须掌握的学科核心知识。教学实践... On the Optimization of History Teaching Content in Middle School Li Xiuianyi 1. The Necessity and Rationality of Optimizing Teaching Content According to the textbook teaching, it has become the teaching practice of history teachers. However, few people consider whether the organizational form of teaching material knowledge is easy for students to absorb, understand, and use knowledge. How textbook knowledge distinguishes between primary and secondary knowledge is all knowledge that students must master. Teaching practice...