追求有效性一直是课堂教学永恒的主题。什么是课堂教学的有效性?用教学论专家余文森教授的话说:“课堂教学的有效性是指通过课堂教学活动,学生在学业上有收获、有提高、有进步。具体表现在:学生在认知上,从不懂到懂,从少知到多知,从不会到会;在情感上,从不喜欢到 The pursuit of effectiveness has always been the eternal theme of classroom teaching. What is the effectiveness of classroom teaching? With teaching theory expert Professor Yu Wensen’s words: ”The effectiveness of classroom teaching refers to through classroom teaching activities, students gain in learning, improve, progress .Specific in: students in Cognitively, never know how to understand, from less to know more, never will; in emotion, never like to