2. 外语
  3. A、To forbid grazing on marginal lands. B、To plant more trees on marginal lands. C、To establish good ground cover. D、To graze ani

A、To forbid grazing on marginal lands. B、To plant more trees on marginal lands. C、To establish good ground cover. D、To graze ani

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问题
选项 A、To forbid grazing on marginal lands.
B、To plant more trees on marginal lands.
C、To establish good ground cover.
D、To graze animals rotationally.
答案D
解析 短文提到，减轻过度放牧的损害的一个方法是将牲畜从一个地方转移到另一地方放牧。专家认为这种循环放牧对保护边缘性土地非常重要。故选D)项。
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大学英语四级

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