2. 外语
  3. A、Supporting the soil. B、Providing shade for animals. C、Loosening soil structure. D、Protecting the soil from wind and rain damag

A、Supporting the soil. B、Providing shade for animals. C、Loosening soil structure. D、Protecting the soil from wind and rain damag

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问题
选项 A、Supporting the soil.
B、Providing shade for animals.
C、Loosening soil structure.
D、Protecting the soil from wind and rain damage.
答案C
解析 短文提到，在边缘性土地上种树可以提高土质，减弱风雨对土壤的侵袭，并可以为牲畜提供阴凉地，但文中没有提到种树可以松土，故选C)项。
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大学英语四级

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