一、和谐性原则是媒体选择的基础１．媒体与教学目标、学习内容的统一性。在课堂中，一切教学活动都应该紧紧围绕教学目标来进行，只有认真研究教学目标与教学内容，选用与之统一的教学媒体，才能使和谐性原则得到落实。这样，教学目标成为媒体选用的一个基本标尺，在这个... First, the principle of harmony is the basis of media choice. Media and teaching objectives, learning content uniformity. In the classroom, all teaching activities should be carried out around the teaching objectives. Only by conscientiously studying the teaching objectives and teaching contents and using the unified teaching media can the principle of harmony be implemented. In this way, teaching objectives become a basic gauge of media selection, in this ...