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Under Qing rule in the eighteenth and nineteenth centuries, China experienced unprecedented __________: after taking over a millennium to double, between 1700 and 1850 alone China's population nearly tripled.
- A.political instability
- B.economic growth
- C.social change
- D.demographic expansion
- E.agricultural development
D显示答案
以上解析由 考满分老师提供。
