以生为本的课堂才是有生命力的课堂。实现教师角色的转换,变教为导;引导学生自主学习、合作学习、探究学习,从而提高学生的学习能力。课堂教学要不断进行优化,实现课堂教学效率的提高。生本和高效双赢的课堂才是好课堂。 A student-centered classroom is a living classroom. The transformation of teachers’ role is realized and the teaching is changed. The students are guided to study independently, learn from cooperation, and explore learning so as to improve their learning ability. Classroom teaching should be continuously optimized to improve classroom teaching efficiency. It is a good class to be a student and efficient double-win class.