[现象] 课堂讨论是学生主体参与教学活动的主要表现形式之一。然而在课堂上,讨论的形式化倾向十分普遍:或只是将讨论作为点缀,学生讨论刚刚开始不久,有时甚至才一个学生发表了意见,其他同学还没来得及发言,教师就匆匆宣布“讨论结束”,这时,学生思维尚未充分碰撞、激活, [phenomenon] Class discussion is one of the main forms of student participation in teaching activities. However, in the classroom, the formalization tendency of the discussion is very common: either just the discussion as a decoration, the student discussion has just begun soon, sometimes even a student has expressed his opinion, and other students have not yet had time to speak, the teacher hastily announced the “done discussion” At this time, students’ thinking has not yet fully collided and activated.