What was the great significance of Zheng He’s voyages according to the text?
A. They helped Zheng He to become a famous celebrity around the globe.
B. They contributed to the construction of the Maritime Silk Road.
C. They promoted the harmonious connections between China and the unknown regions across the world.
D. They led Ming Dynasty to a period of great prosperity.
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What did Zhu Di do during his rule?
A. He built the Forbidden City.
B. He extended the Great Wall.
C. He commanded the fleet.
D. He supervised the ships.
黄连的来源于____植物____.____或 ____的干燥根及根茎。
企业文化师、玩具设计师、调香师、咖啡师等属于行业分类。
A. 对
B. 错
教育业属于第几产业？
A. 第一
B. 第二
C. 第三
D. 第四
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