教材处理中的“顾后”和“瞻前”江苏省如东县靖海中学缪徐教材的处理涉及到教材和学生两个方面。初三学生要较为系统地掌握化学知识，抛开教材中化学知识的逻辑体系是行不通的；学生的学习又不能与他们身心发展、认识发展的规律相违背。所以处理教材时，教师要本着把“体... The processing of textbooks in the “Guhou” and “Jianqian” materials in Jinghai Middle School in Rudong County, Jiangsu Province dealt with textbooks and students. Third grade students should master the knowledge of chemistry systematically. It is impracticable to set aside the logic system of chemical knowledge in textbooks. Students’ learning cannot be contrary to the laws of their physical and mental development and cognitive development. So when dealing with teaching materials, teachers should be guided by the "...