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【题目】下列解决水、土资源配置存在的问题,措施正确的是(  )

A. 南方开垦山区扩大耕地 B. 北方地区大力缩小耕地面积

C. 南水北调能根本解决我国北方地区缺水问题 D. 节水与区外引水相结合是解决北方缺水的长远之策

【答案】D

【解析】

由于我国水资源地区分布不平衡,为了合理利用水资源,有必要兴建跨流域的调水工程。目前规划上马的南水北调工程,将把长江流域的水调入缺水的华北、西北地区.兴修水利工程,能在相当程度上调节水资源的时空分布。但是,随着人口的增长、城市化的推进、工农业的发展,我国水资源的供需矛盾仍然十分严重。我国有半数以上的城市缺水,而水资源污染会使这一问题更加突出。因此,节约用水,科学用水,保护水资源,防治水污染,是解决缺水问题的有效途径。

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