我国的黄土高原在几万年前曾是茂密森林，如今却成了荒山秃岭，根本原因是；_刷题宝

题干

我国的黄土高原在几万年前曾是茂密森林，如今却成了荒山秃岭，根本原因是（）；

A：过度开发和破坏

B：长期干旱少雨

C：土地贫瘠

D：森林不能适应自然环境的变化

上一题下一题 0.0难度选择题更新时间:2014-09-03 08:32:13

答案(点此获取答案解析）

A

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