课堂教学是一门艺术,是一门永远留有遗憾的艺术。课堂教学是一个动态的过程,是一个师生互动、探索交流的过程。在这个过程中,必然会不断产生大量学习信息。其中,学生随时发生的错误是每位教师必然遇到且需要面对的学情信息。教师要凭借着自身的教学机智,应时制宜,积极应变,善于将学生的“错误”合理利用起来,挖掘“错误”中合理的成分,从而让学生 Classroom teaching is an art, a art that always regrets. Classroom teaching is a dynamic process, which is a process of teacher-student interaction and exploration. In this process, it is bound to produce a great deal of learning information. Among them, the student error occurs at any time is that each teacher must meet and need to face the academic information. Teachers should rely on their own teaching tactics, be prepared to respond to the situation, and actively respond, be good at the students “mistake ” reasonable use, dig “wrong ” in the reasonable composition, so that students