一、多媒体技术有利于突破新教材中的知识难点由于地理学科内容的广泛性、时间的长久性、空间的无限性和具体形式的抽象性,加上人的视野与感知时间的有限性,决定了学生对许多地理事物看不见、摸不着,特别是新教材打破了传统的知识体系结构,构建了体现综合性、均衡性、选择性的新课程体系,这样部分知识对学生来说,没 First, the multimedia technology is conducive to breaking through the new textbook knowledge Difficult due to the wide range of geography disciplines content, the long-term nature of the infinite space and the specific form of abstraction, coupled with the human horizon and the perception of time is limited, the decision The students can not see or touch many geo-objects, especially the new teaching materials break the traditional knowledge structure and construct a new curriculum system that reflects comprehensiveness, balance and selectivity, so that part of the knowledge does not affect the students