当今世界瞬息万变,知识更新速度加快,终身学习已成为每个人生存和发展的必需。托勒密曾说:“未来的文盲,将不再是不识字的人,而是没有学会学习的人。”布鲁纳认为:“知识的获得是一个主动的过程,学习者不应是信息的被动接受者,而应是知识获取的主动参与者。”培养学生的主动参与意识和自主学习能力,是教师在教学实践中必须重视的一个问题。教会学生学习已成为教师的一项教学任务,学会自主学习成为学生必备的一项技能。基于此,我市进行课堂教学改革,开始实行“双案导学”的课堂教学模式。这种教学模式主要是以导学案、学案为依托, With the ever-changing world and faster knowledge updating, lifelong learning has become a necessity for everyone’s survival and development. Ptolemy once said: “The future illiteracy will no longer be illiterate people, but people who have not learned to learn. ” Bruner that: “The acquisition of knowledge is a proactive process, learners do not Should be passive recipients of information and should be active participants in knowledge acquisition. ”Developing students’ awareness of active participation and autonomous learning is a problem teachers must pay attention to in teaching practice. Teaching students to learn has become a teaching task of teachers, learning to become an essential learning skills for students. Based on this, the city of classroom teaching reform, began to implement “double case guide ” classroom teaching mode. This teaching mode is mainly guided by case, case study as the basis,