本文从高三复习的角度再现了学生对知识的学习过程:定义——性质——方法,这三者定义为基,性质是经,方法成面,之间相互相承,相互融合。课堂实践中的采撷的几道题,是对定义这一根本的体现,万变不离其中。只有紧抓定义,理解性质,才能迅捷地选择方法,流畅规范地解答。 This paper reproduces the students’ learning process of knowledge from the perspective of the third year of high school: definition - nature - method, which are defined as the basis, the nature of the method, the method of the surface, mutual support and mutual integration. A few questions in the pick of class practice are the fundamental manifestation of the definition, which is always changing. Only by grasping the definition and understanding the nature can we quickly choose the method and answer it in a smooth and standard way.