Primitively， slash and burn technology brought only poor harvests， which urged Emperor Yan to improve sowing and planting methods._精华吧

Primitively， slash and burn technology brought only poor harvests， which urged Emperor Yan to improve sowing and planting methods.

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Primitively， slash and burn technology brought only poor harvests， which urged Emperor Yan to improve sowing and planting methods.

A.正确

B.错误

正确答案：正确

Tag：英语话农史华夏篇时间：2024-01-04 19:56:19

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