兴趣作为一种行为动机,是推动学生学习的直接动力。兴趣的职能就是让学生爱学习,把学习当作自己的愿望和需要。我国古代大教育家孔子说过:“知之者不如好之者,好之者不如乐之者。”捷克夸美纽斯认为:“兴趣是创造一个欢乐和光明的教学环境的重要途径之一。”可见,兴趣的力量是巨大的。激发和培养学生的学习兴趣,是教学得以成功的重要条件。教师充分挖掘教材中的有趣因素和艺术魅力,运用电教手段的长处,就可以充分唤起学生的学习兴趣,发挥学生的主体作用。学习兴趣的产生要经过好奇——求知——爱好三个阶段。介入电教媒体时我们可从第一阶段入 As a kind of behavioral motivation, interest is the direct driving force to promote students' learning. The function of interest is to make students love learning, learning as their own wishes and needs. Confucius, an ancient great educator in our country, said: “There is one who knows better than one who is good,” said Czech Comenius: “Interest is one of the important ways to create a happy and bright teaching environment. ”Visible, the power of interest is huge. To stimulate and develop students' interest in learning is an important condition for teaching success. When teachers fully exploit the interesting factors and artistic charm in the textbooks, using the strengths of the means of electronic teaching can fully arouse the students' interest in learning and play the main role of the students. Learning interest generated through curiosity - knowledge - love three stages. When involved in audio-visual media, we can enter from the first stage