教科书循环使用的可能性和必要性是显而易见的。2007年,我国农村初中和小学教材,全部实行免费供应,就是说义务教育阶段农村教科书全部由财政买单。可见,教科书循环起来能为政府财政省下一大笔钱。据统计,全国在校的2亿中小学学生,按每个学生每年两学期使用课 The possibilities and the necessity of recycling textbooks are obvious. In 2007, China’s rural junior high school and primary school teaching materials, all implemented free of charge, that is, compulsory education in rural textbooks all paid by the financial. Can be seen, textbooks cycle up for the government to save a lot of money. According to statistics, 200 million primary and secondary school students in schools nationwide use two semesters per year for each student