概念是思维的基本形式之一.它是把事物的共同特点抽出来加以概括所形成的。就教学而言,每门课说到底都是一个相互联系起来的概念系统或者概念网络。这些概念都发自整个学科的某个或某几个基本概念,而这些基本概念就是整个学科教学的逻辑起点或最基本的逻辑支点。教学中.几乎每一学科的学习都是从学科的一个或几个最基本的概念及其定义入手的,然后再依序推及其它概念、特 Concept is one of the basic forms of thinking, which is formed by extracting and generalizing the common features of things. In terms of teaching, each lesson is ultimately an interconnected conceptual system or conceptual network. These concepts are derived from one or several basic concepts of the whole discipline, and these basic concepts are the logical starting point or the most basic logical fulcrum of the whole subject teaching. In teaching, almost every subject is learned from one or more of the most basic concepts and definitions of the discipline, and then in turn introduced to other concepts, especially