教师要认真解读学期乃至学年教材的内容,教材的体系,教材的结构,教材的重难点,实施教材学期或学年备课。化学教材中,每一章节都设置了很多思考与讨论题,教师可以抓住教材的这个优势设计学生活动,引导学生探究,让学生主动参与课堂教学。作业不仅要有针对性,而且要对教学内容能及时巩固,所涉及的知识每一次都在新的联系中再现。 Teachers should carefully interpret the content of the semester or even the school year teaching materials, the textbook system, the structure of the textbook, the heavy and difficult teaching materials, the implementation of the textbook semester or school year preparation. Chemistry textbooks, each chapter has set a lot of thinking and discussion questions, teachers can grasp the advantages of textbooks design student activities, guide students to explore, so that students take the initiative to participate in classroom teaching. Homework should not only be targeted, but also be timely to consolidate the teaching content, the knowledge involved are always reproduced in the new link.