为了使学生牢固地、系统地掌握化学基础知识和基本技能、发展他们的智能、培养良好的学习方法、启迪创造精神,这几年来,在高三年级试用知识网络结构教学方法初步取得了效果。现简要介绍如下: In order to enable students to firmly and systematically grasp the basic knowledge of chemistry and basic skills, develop their intelligence, develop good learning methods, and inspire and create spirit, in the past few years, the teaching method of trial network structure in the third grade of junior high school has achieved preliminary results. It is briefly introduced as follows: