我在指导学生学习“中国主要的工业基地”时 ,采用示意地图 ,取得了很好的效果。示意地图是用简单的笔法把复杂的地理事物 ,绘制成简略的黑板图。其特点是主题突出、鲜明 ,一目了然 ;两三笔勾划 ,省时省力 ,可随用随绘 ,绘时用单色笔 ,也可用彩色粉笔。我绘的“四大工业基地” When I was instructing students to learn “China’s major industrial bases”, I used schematic maps and achieved good results. Schematic maps use simple strokes to draw complex geographies into simple chalkboards. Its characteristics are prominent and distinctive, clear at a glance; two or three strokes, saving time and effort, can be used with the drawing, drawing with a monochrome pen, but also use colored chalk. The four major industrial bases I painted