新学年开始,有一些同学升入了高中。为了使他们系统地、牢固地掌握初中阶段的化学基础知识和基本技能,顺利地学好高中化学。在讲授高中新知识之前,我们安排9课时复习初中内容,这实质上是初步完成初、高中知识的过渡复习,扎实迈好从初中到高中的第一步。 At the beginning of the new school year, some students have moved to high school. In order to make them systematically and firmly master the basic knowledge and basic skills of chemistry in junior high school, successfully learn chemistry in high school. Before teaching high school new knowledge, we arranged for 9 hours to review the junior high school content. This is essentially the initial completion of the transitional review of junior and senior high school knowledge, and a solid first step from middle school to high school.