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【单选题】

下列不是造成沙漠化的认为原因是()

A.
人口急速增长
B.
过度放牧、过度垦殖、过度樵采
C.
不合理地利用水资源
D.
风力作用
题目标签:沙漠化
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【单选题】我国沙漠化治理的有效措施有( )

A.
封沙封草育林, 飞播造林(草), 人工造林并举
B.
开垦草场
C.
砍伐森林
D.
过度放牧

【单选题】Passage One Desertification (沙漠化) in the dry United States is very serious. Groundwater supplies beneath vast stretches of land are dropping rapidly. Many river systems have dried up. Hu...

A.
both the world and America need the land for agricultural aims
B.
they bring about a large amount of waste of resources
C.
Americans do not need that many shopping centers and apartments
D.
industrial parks and waste dumps are seriously polluting the environment

【单选题】下列不是造成沙漠化的认为原因是()

A.
人口急速增长
B.
过度放牧、过度垦殖、过度樵采
C.
不合理地利用水资源
D.
风力作用