在“先学后教,反馈矫正”的教改实验中,把握先学尺度,保证学生可学、肯学、能学、会学;探究后教节点,充分发挥教师在课堂中的主导作用;注重课后延伸,培养学生自学与合作学习的能力。 In the teaching reform experiment of “learning from teaching first, feedback from correction”, we should grasp the first-class standard and ensure that students can learn, be willing to learn, learn, and learn; explore the teaching points and give full play to the dominant role of teachers in the classroom ; Focus on extension after class, training students self-learning and cooperative learning ability.