标签：话题作文 话题 英语四级作文
字数：1200字
提要：The Helpful Features of TextbooksWrite a passage with the words given:textbooks, school, levels, kinds, purpose, learn, therefore, features, information, contents, parts, page,understand, divide,sections, finally,index, alphabetical, most, help, quickly, efficiently.The Helpful Features of TextbooksTextbooks are books that students use in school. Students at all levels and in all kinds of schools ..