课堂教学艺术是一个整体。“新课导入仅是其中的一个环节,但却是一个十分重要的环节,是课堂教学整体的有机组成部分。俗话所说:良好的开端意味着成功的一半。这样,学生在学习中不仅学习了知识而且发展了思维能力。多媒体集声、光、影于一体,具有直观性、多变性、知识性、趣味性等特点,能为学生提供生动逼真,丰富多彩的教学资源,能 Classroom teaching art is a whole. ”The introduction of the new course is only one part, but it is a very important part, is an integral part of the classroom teaching.As the saying goes: a good beginning means half the success.Thus, students in learning not only Learn the knowledge and develop the ability of thinking.Multimedia set sound, light, shadow in one, with the characteristics of intuitive, variability, knowledge, interest and so on, can provide students with vivid, colorful teaching resources, can