正确答案: A

取水——保护水源地 输水——减少过程损耗 用水——节约、综合利用 排水——防止当地污染

题目：在水资源的社会循环个环节中，下列做法不够恰当的是

解析：D

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举一反三的答案和解析：

[单选题]

[单选题]The passage suggests that ________

the Iroquois Indians took safety into account while building their wigwams

[单选题]请认真阅读下面各题，从题中所给的A、 B、 C 、D 、四个选项中，选出最佳选项，21. The population of Jiangsu __ to more than twice what it was in 1949. The figure is now approaching 74 million.

has grown