题目内容:
According to the last paragraph, the fourth way is "of a different kind" because( )
A. the first three ways can increase the water supply, while the fourth one can't B. the first three ways can make a better use of water, while the fourth one can't ※考试大※在线-考试中心※
C. the first three ways is technology-based, while the fourth one is market-based
D. the first three ways can't balance the supply and demand of water, while the fourth one can
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答案解析: