备好课，是上好课的前提。备好课必须做到三个明确。一、明确备课的重要性苏霍姆林斯基曾说：“教师应该一生都在备课。”的确，通过备课不仅能使教师充分掌握教材，并从学生实际出发，认真设计教学方法，有效提高教学质量，而且能发现并纠正自己的不足，不断提高自身的业务素 Preparing a lesson is a prerequisite for a good lesson. Prepare class must be three clear. First, to clarify the importance of lesson preparation Suhomlinski once said: “Teachers should be preparing for a lifetime.” Indeed, not only can teachers make full use of the teaching materials, and students from the actual situation, and seriously design teaching methods, effectively improve Teaching quality, but also to find and correct their own deficiencies, and constantly improve their own professionalism