课堂是教师挥洒才情和智慧的舞台,每一节课都应该是不可重复的师生情感与智慧综合生成的过程。课堂的复杂多变对教师是一种挑战,课堂教学的随机性需要教师有敏捷的反应能力,一个充满智慧的教师往往能创造出许多精彩的瞬间。而这种应变能力实际上是教师的一种心智艺术,是在长期的教学实 Classroom is a stage for teachers to give their talents and wisdom. Each lesson should be a process of comprehensive generation of emotion and wisdom of teachers and students. The complexity and variety of the classroom is a challenge to the teachers. The randomness of the classroom teaching requires teachers to have quick reaction ability. A teacher full of intelligence can often create many wonderful moments. And this kind of adaptability is actually a teacher’s mental art, is in the long-term teaching reality