课堂教学是学生学习的主要阵地,课堂教学的有效性直接关系着课堂教学的效率。所谓课堂教学的有效性是指:能够有效地促进学生发展,有效地实现预期的教学目标的教学手段、方法和技术。课改专家、华东师大崔允郭博士曾经说过:“教学有没有效率,并不是指教师有没有教完内容或教得认真不认真,而是指学生有没有学到什么或学生学得好不好。 Classroom teaching is the main position for students to learn. The effectiveness of class teaching is directly related to the efficiency of classroom teaching. The so-called effectiveness of classroom teaching refers to: teaching methods, techniques and techniques that can effectively promote the development of students and effectively achieve the expected teaching goals. Curriculum reform experts, East China Normal University, Dr. Cui Yunuo once said: ”Teaching is not efficient, does not mean that teachers have not taught the contents or teach serious not serious, but refers to what the students have not learned or students Well done.