地理教材中有很多适合多媒体教学的章节,笔者运用多媒体技术,对“北美概述”一课进行教学时,深感学生兴趣浓、情绪高涨、思维活跃,教学效果很好。笔者认为,“北美概述”一课教学过程的优化主要体现在以下几个方面:一、美化地理学科中含有丰富的美学内容,教师在教学设计时,应充分挖掘教材,想办法使地理知识信息的呈现形式生动有趣、形象美观,使课堂教学充满美感和艺术性,这样,不仅能吸引学生学习的注意力,更 There are many chapters in the geography textbooks that are suitable for multimedia teaching. When the author used multimedia technology to teach the “North America Overview” lesson, he deeply felt the students’ interest, emotions, thoughts, and teaching effectiveness. The author believes that the optimization of the teaching process of the “North American Overview” lesson is mainly reflected in the following aspects: First, beautifying the geography discipline contains rich aesthetic content. When teachers design teaching, they should fully tap the materials and think of ways to make the geography. The presentation of knowledge information is vivid and interesting, and the image is beautiful. It makes the classroom teaching full of beauty and artistry. In this way, it can not only attract students’ attention but also learn