一、缘起课堂教学是教育、教学的中心环节,教学质量的高低很大程度上取决于课堂教学。改变课堂的教学模式,提高课堂的教学效率,向课堂的45分钟要质量,这是新课程改革的重点。提高课堂的教学效率就是指学生用相对较少的精力投入,获取相对较多的学习收获的教学。而学生所获得的收获不仅仅是“知识与技能”的习得,还包括“过程与方法”、“情感与价值观”的发展。所以说,提高课堂的教学效率不仅充 First, the origin of classroom teaching is the center of education and teaching. The quality of teaching depends largely on classroom teaching. Change the classroom teaching mode, improve classroom teaching efficiency, and give 45 minutes of quality to the classroom. This is the focus of the new curriculum reform. Improving the efficiency of teaching in the classroom means that students use relatively little effort to obtain relatively more learning gains. The gains the students receive are not only the acquisition of “knowledge and skills” but also the development of “processes and methods” and “emotions and values.” So, improving the efficiency of classroom teaching is not only