我校作为原川沙县唯一的一所课程教材改革试点中学，从1991年秋季开始试用上海编《历史》新教材，至今已有四年多的时间。在教改实践中，我们深深体会到：以新观念理解新教材，用新方法教好新教材，避免“穿新鞋走老路”，是教材改革实验成功的关键。就现已使用的高一年级、高? As the only secondary school for the reform of curriculum textbooks in Chuansha County, our school began to use the new textbook “History” compiled by Shanghai in the autumn of 1991. It has been more than four years since then. In the teaching reform practice, we deeply understood that: understanding new textbooks with new concepts, teaching new textbooks with new methods, and avoiding “walking the old road with new shoes” is the key to success of textbook reform experiments. What is the higher grade and height that is already in use?