板书是教师经常采用的重要教学手段,它(包括板图)所以重要,首先在于它的直观性。我们知道,在人的认识过程中,感觉、印象是很重要的。列宁曾经说过:“不经过感觉,我们就不知道实物的任何形式,也不能知道运动的任何形式。”(《列宁全集》第14卷,第319页。)毛泽东同志把感性认识叫做认识过程的“第一步”。青少年认识问题尤其如此,他们接受新知识总是由具体到抽象,由 Board writing is an important teaching method often used by teachers. It is important (including board drawing), above all, its intuitiveness. We know that in the process of human awareness, feeling, impression is very important. Lenin once said: “Without feeling, we have no knowledge of any form of materiality nor any form of movement.” (Collected Works of Lenin, Vol 14, p 319.) Comrade Mao Tse-tung called perceptual awareness as the cognitive process The “first step.” This is particularly true for adolescents’ cognitive problems, and their acceptance of new knowledge is always from concrete to abstract and from