→作文｜Now, many primary schools and middle schools are recycling textbooks. In my opinion, its necessary. As you know, save paper means…〔02-19〕

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  →范文｜写一段话给定的词： 教科书，学校，层次，种类，目的，学习，因此，功能，信息，内容，零部件，网页，了解，分节，最后，索引，按字母顺序排列，最，帮助，很快， efficiently.The 特点是有帮助的 TextbooksTextbooks 书籍，学生在学校使用…〔05-08〕