《请重视“弹性水库”》阅读练习及参考答案
下面是小编为大家整理的《请重视“弹性水库”》阅读练习及参考答案,本文共4篇,仅供参考,大家一起来看看吧。 阅读下面文章,回答问题。 请重视“弹性水库” 弹性水库,就是那些装点着青山的树林。 树林,在调节降水时间不均方面,有着不可低估的作用。有人估计过,树大根深的森林区土壤,每公顷可蓄水500~20xx吨。因而,森林享有大气和水资源“绿色卫士”的美称。比如说我国的长白山自然保护区,那里有20万公顷的
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