生物教学中直观教具的作用是相当大的,其中掛图更是应用得多。因为简便、灵活、生动、表达面广,可以弥补标本模型之不足,所以我每堂课都离不开掛图的。今将几年来缯制生物掛图的一些方法介绍如下:(一)绘哪些图在深入钻研教学大纲和教材后,根据教材提到的动物种类、形态构造来绘制。绘制的 The role of visual aids in biological teaching is quite large, of which the flip chart is much more applied. Because of its simplicity, flexibility, vividness and expression, it can make up for the deficiency of the specimen model, so I can not leave the wall chart for every class. Here are some ways to make bio-flipcharts in the past few years: (1) Which pictures are painted After studying the teaching syllabus and teaching materials in depth, draw according to the animal species and morphological structures mentioned in the textbooks. Drawn