在新课程理念下,课堂教学应是有效的教学.所谓有效教学,是指教师遵循教学活动的客观规律,使用恰当的教学策略,以尽量少的时间、精力和物力投入,取得尽可能大的教学效果.有效的课堂是动态生成的课堂.在动态生成的过程中,课堂教学有时会偏离教师预设的教学设计,出现许多“意外的生成”.这些“意外的生成”往往能激发学生的探究热情,张扬学生的个性,焕发师生的活力.本文就笔者的课堂上 Under the new curriculum concept, classroom teaching should be effective teaching, which means that teachers follow the objective laws of teaching activities and use appropriate teaching strategies to minimize the investment of time, energy and material resources to achieve the maximum possible Effective classroom is dynamically generated classroom in the process of dynamic generation, classroom teaching sometimes deviate from the default teaching design, there are many “accidental generation ” These “accidental generation ” often Can stimulate students’ passion for inquiry, publicize the personality of students and rejuvenate the vitality of teachers and students.This article on the author’s class