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我不赞同杨志从经济、环保的角度考虑,教科书的循环使用的确有利,尤其是美术、音乐的教科书,用的纸张质量好、造价高,学生在使用过程中不易破损,循环使用教科书利于节约。对《科学》教科书的循环
I do not agree with Yang from the perspective of economy and environmental protection. Recycling of textbooks is really beneficial. Especially the art and music textbooks are of good quality and high cost. Students are not easily damaged during use. Recycling of textbooks is conducive to saving . The cycle of “science” textbooks