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化学基础理论是中学化学教材知识结构的重要部分,新教学大纲对这部分知识适当地降低了难度,有了新的要求.我在教学实践中深深感到,把握好教材的深度和广度,对学生学习化学课有着十分重要的意义.
Basic chemistry theory is an important part of the knowledge structure of middle school chemistry textbooks. The new syllabus has reduced the difficulty of this part of the knowledge appropriately and has new requirements. I feel deeply in teaching practice and grasp the depth and breadth of teaching materials. It is of great significance for students to study chemistry classes.