现行初三社会发展常识新教材是由原初二社会发展简史与初三中国社会主义建设常识合并、规范而成的。原初二教材就史论史，现实性和教育性相对不足。原初三教材虽现实性和教育性强，但又没有理论根基，难成体系。合并后的初三新教材保留了原初二、初三教材的主体部分，扬长... The current third-generation social development common sense new teaching material was formed from the merger and norm of the first two brief history of social development and the third common sense of socialist construction in China. The original two textbooks are relatively short on the history of history, reality and education. Although the primary three teaching materials are practical and educational, they do not have a theoretical foundation and are difficult to achieve. After the merger, the new textbook for the third grade has retained the main part of the original second and third grade teaching materials.