生成是新课程的价值取向,是当前课堂教学改革的热点问题.人们在教学实践中已达成了这样的共识:理想的课堂教学是一个动态生成的过程,课堂的精彩往往来自于精心预设基础上的绝妙生成.正如叶澜教授所认为的那样:具有生成性的教学才是丰实的课堂教学. Generation is the value orientation of the new curriculum and is a hot issue in the current classroom teaching reform.It has been reached in the teaching practice that such an consensus has been reached that the ideal classroom teaching is a dynamically generated process and the wonderfulness of the classroom often comes from carefully preset basis On the wonderful creation of .As Professor Ye Lan believes that: a generative teaching is abundance of classroom teaching.