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- 你们参加高级程度英语考试要读哪些必修课本？
What are your set books for English A Level?
- 每个学生发了一本课本。
Each student was issued with a textbook.
- 这是这一科的权威性课本。
This is the standard textbook on the subject.
- 这本课本有二十单元。
This textbook has twenty units.
- 我们的课本插图丰富。
Our textbook is very well illustrated.
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