根据教材内容，选用恰当的线段图进行演示教学，可以使许多抽象的观点、概念和理论深入浅出，一目了然，取得举一反三的教学效果。初中《思想政治》教材中能够运用线段图进行教学的内容和方法很多，现举如下四例。长线段内截取法人类进入资本主义社会以后，从18世纪60年代开始? According to the content of teaching materials, the use of appropriate line segment diagrams for demonstration teaching can make many abstract ideas, concepts, and theories in-depth and easy to understand at a glance. There are many contents and methods that can be used to teach students in the “ideological and political” textbook of junior middle school. The following four examples are given below. Interception in the Long Line After entering the capitalist society, began in the 1860s?