【題目】下列解決水、土資源配置存在的問題，措施正確的是（　�。�

A. 南方開墾山區(qū)擴(kuò)大耕地 B. 北方地區(qū)大力縮小耕地面積

C. 南水北調(diào)能根本解決我國北方地區(qū)缺水問題 D. 節(jié)水與區(qū)外引水相結(jié)合是解決北方缺水的長遠(yuǎn)之策

【答案】D

【解析】

由于我國水資源地區(qū)分布不平衡，為了合理利用水資源，有必要興建跨流域的調(diào)水工程。目前規(guī)劃上馬的南水北調(diào)工程，將把長江流域的水調(diào)入缺水的華北、西北地區(qū)．興修水利工程，能在相當(dāng)程度上調(diào)節(jié)水資源的時空分布。但是，隨著人口的增長、城市化的推進(jìn)、工農(nóng)業(yè)的發(fā)展，我國水資源的供需矛盾仍然十分嚴(yán)重。我國有半數(shù)以上的城市缺水，而水資源污染會使這一問題更加突出。因此，節(jié)約用水，科學(xué)用水，保護(hù)水資源，防治水污染，是解決缺水問題的有效途徑。

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