在一堂美术课中,有这样一个镜头:“今天我们来画《青少年宫》,请同学们按老师刚才讲的方法来画,画的内容必须触及纸的四边,色彩要浓重,下面开始。”教师说完,学生操作,教师则稳稳当当地在讲台前的凳子上坐了下来。一堂完整的美术课,由导入、新授、学生操作、评价、课堂总结五个环节组成。教师普遍认为导入、新授、讲评、总结这四个环节是教师的任务,应予以 In an art class, there is such a scene: “Today we come to draw the” Children’s Palace. “Students are invited to draw according to what the teacher just said. The contents of the painting must touch the four sides of the paper. The color should be thick and start below. ”The teacher finishes, the student operates, the teacher is steadily sat down on the bench in front of the podium. A complete art class, from the introduction, the new grant, student operation, evaluation, class summary of the five components. Teachers generally believe that the introduction, the new grant, comment, summarize these four links is the teacher’s task should be