课堂是教育教学的主阵地,教师必须以课堂教学为突破口,努力向45分钟要质量,做到既不降低应有的教学目标,又能减轻学生学习负担。课堂教学是艺术和科学的统一,方式优化了,就能达到时间短、负担少、收效快的效果。传统的课堂教学是:复习提问、新课导入、传授新知、课堂小结、布置作业,这种结构不仅束缚了学生的思维,加重了学生的课业负担,也束缚了教师创造力,已不能适应 Classrooms are the main front for education and teaching. Teachers must take class teaching as a breakthrough to strive for quality for 45 minutes so as to not only reduce the teaching goals they should have, but also reduce the burden on students. Classroom teaching is the unity of arts and sciences, the optimization of the way, we can achieve a short time, less burden, quick results. The traditional classroom teaching is: review questions, the introduction of new courses, imparting new knowledge, classroom summary, layout homework, this structure not only bound the students ’thinking, increased the students’ academic burden, but also bound the teacher’s creativity, can not adapt