一直以来,预设和生成都是教学的一对矛盾范畴。从某种程度上来说,课堂就是预设与生成的对立统一体。预设是指教师根据教学目标、教学重难点对教学方法、问题设计、教学流程、学生情况等进行预先设计和确定。生成是师生、生生在课堂上产生新情境、碰撞新思维、发现新问题,进而找出新思路,解决新问题,实现有意义的提升的过程。预设与生成就像车之两轮、鸟之双翼,相互联系,相互促进,相互补 All along, presets and births are a contradictory category of teaching. To some extent, the classroom is the unity of presupposition and formation of opposites. The default refers to the teacher pre-designed and determined teaching methods, problem design, teaching process, students and so on according to teaching objectives and teaching difficulties. Generation is a process in which students and students generate new situations in the classroom, collide with new ideas, discover new problems, find new ideas, solve new problems and achieve meaningful improvement. Presets and Generations Like the two wheels of a car, the wings of a bird are interconnected, mutually reinforcing and complementing each other