掘井导致草原破坏的原因是 A.过度樵采 B.过度放牧 C.过度开垦 D

掘井导致草原破坏的原因是

A.过度樵采 B.过度放牧 C.过度开垦 D.水资源利用不当

答案

D


解析:

人们为了解决干旱地带人畜用水问题而掘井,人畜活动必然会以水井为中心,从而严重破坏草原植被,导致荒漠化在干旱半干旱地区迅速蔓延。

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