随着课程改革的逐渐深入,教师对以学生为主体的意识越来越强,但实际实施还是存在各种问题。小组合作学习对于学生的学习有着较好的作用,但小组合作学习需要根据实际情况考虑诸多因素合理分组,目前,有些教师只是将其应用在公开课上,使其过于形式化、表演化,只是在走过场,明显不能达到理想教学效果。以某化学教师的一堂公开课为例,她上的课是高一化学浓硫酸的特性,她以浓硫酸的毁容事件引入新课,交代了本节课学习 With the gradual deepening of curriculum reform, teachers are more and more conscious of students as the main body, but there are still a variety of problems in actual implementation. Group cooperative learning has a good effect on students’ learning. However, the group cooperative learning needs to be grouped reasonably according to the actual situation. At present, some teachers apply it only in the open class to make it too formalized and performance-oriented In the passing field, obviously can not achieve the ideal teaching effect. Taking an open class of a chemistry teacher as an example, her class consisted of a high concentration of concentrated sulfuric acid. She introduced a new class with concentrated sulfuric acid disfigurement and explained this lesson