《语文课程标准》指出:“教学是预设与生成,封闭与开放的矛盾统一体。”的确,不管你思维如何缜密,预设如何巧妙,没有生成的课堂是不存在的。正如布卢姆所说:“人们无法预料教学所产生的成果的全部范围。没有预料不到的成果,教学也就不成为一种艺术了。”有生成说明还有发展、探讨的空间,关键是要能够 “Chinese Curriculum Standard” states: “Teaching is a contradictory unity of presupposition, formation, closure and openness.” Indeed, no matter how well-thought-out and presupposed cleverness the non-generated classes do not exist. As Bloom puts it: “People can not predict the full extent of what the teaching produces, and without unexpected results, teaching is not an art.” "There’s space for development, exploration, and exploration. The key is to be able to