小组讨论是一种通过指导小组成员展开交流合作、发挥群体的积极功能，提高个体的学习动力和能力，达到完成特定的教学任务的活动，是一种很好的教学组织形式。　　在学习重难点时开展小组讨论。教师可抓住教材的重点、难点，设计一些问题让学生各抒己见，由被动的“光听不说 Group discussion is a good teaching organization form through guiding the exchange and cooperation of group members, giving play to the positive functions of groups, improving individuals’ learning motivation and ability, and accomplishing specific teaching tasks. Group discussions during heavy lessons. Teachers can grasp the key textbooks, difficulties, design some problems for students to express their opinions by the passive "light do not say