一、多媒体辅助教学使新课的导入更简洁鲜明俗话说:“好的开始是成功的一半。”新课的导入是一堂课的开始,也是关键之一。课的导入要简洁明了,使学生更快的理解教师的意图,不迷惑。如何去做,才会收到最佳效果,一直是众多教师研究和探讨的问题。而多媒体的运用则能够产生令人满意的效果:一段动画演示可 First, the multimedia-assisted teaching to make the introduction of the new lesson more concise As the saying goes: “Good start is half the success.” "The introduction of the new lesson is the beginning of a lesson, but also one of the keys. The introduction of the class should be concise, so that students understand the teacher’s intentions faster, not confused. How to do it, will receive the best results, has been the study and discussion of many teachers. The use of multimedia can produce satisfactory results: an animation demonstration can be