Over-cultivation and a long period of erosion has reduced the______of much of th

游客2025-03-31  0

问题 Over-cultivation and a long period of erosion has reduced the______of much of the country’s farmland.

选项 A、sufficiency
B、fertility
C、prosperity
D、mobility

答案 B

解析 各项的意思是:sufficiency充足;fertility肥力;prosperity幸运,繁荣;mobility活动性,迁移率。根据句意判断,答案为B。
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