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单选题 10. What does the author say about silk production in the last paragraph

A. A) The Japanese people acquired knowledge of silk production from the Indians

B. B) The Chinese emperor failed to keep silk production a secret

C. C) Silk production came to the Persian Empire in the 6th century AD

D. D) Knowledge about silk production was not valuable after the 6th century AD

学科英语(大学英语-4)-2024-2025第二学期课程封面

学科:学科英语(大学英语-4)-2024-2025第二学期

时间:2025-06-07 15:22:58

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