课堂教学是教学的主要环节,是提高教学质量的关键.如何向45分钟要质量,是我们教师应认真研究的问题.新课程标准要求改革学习方法,发展学生思维,要求以学生为主体,让学生参与课堂教学,反对满堂灌.如何落实新课标?我认为,应充分发挥教师的引导作用.在过去的一学年,我尝试利用学案进行教学,课前认真编写学案,印发给学生,让学生先预习,课堂主要依据学案教学. Classroom teaching is the main part of teaching, which is the key to improve the quality of teaching.How to improve the quality of 45 minutes is a problem our teachers should seriously study.The new curriculum standards require reforming learning methods, developing students’ thinking, requiring students as the main body, In the past one academic year, I tried to use the case study to teach, prepare the case carefully before class, and issue it to students, students and teachers, Allow students to preview, the classroom mainly based on case teaching.