作为课本和练习册的补充材料，本书既可以供教师在课上当作练习使用，也可以作为学生的课下作业。还可以作为考卷，用来测试学生对每课内容的掌握程度。
Serving as supplementary material for the textbooks and workbooks, this worksheet can be used by teachers for in-class exercises or assigned as homework for students. It can also be utilized as a test paper to assess students' mastery of the content in each lesson.
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