题目内容

【题目】根据下列材料回答下面的问题。

材料一、我国水资源从地区分布来看是不均匀的,华北地区人口占全国的24.1%,耕地占全国的45%,水资源占全国的6%,从降水的季节分配来看,我国绝大部分地区降水集中在5—10月,而华北地区则高度集中在7—8月,这两个月降水量占全年降水量的80%,冬春季节则出现持续干旱。

材料二、华北地区自古以来就是我国人口分布集中的地区之一,新中国成立以后,本区人口增长特别迅速,农业用水、工业用水成倍增长,使淡水的供应更加紧张。

根据材料,请你分析华北地区水资源紧张的原因。

(1)①自然原因:

②社会原因:

(2)为了唤起人们对淡水资源的危机意识,请你设计一则公益广告词。

【答案】(1)①自然原因:降水少,季节分配不均

②人为原因:人口稠密,工业用水量大

(2)水是生命之源,节约用水,从点滴开始

【解析】

整体该题以读材料为切入点,考查的是华北地区水资源紧张的原因,要求学生理解掌握。

(1)①自然原因降水少,季节分配不均

②社会原因人口稠密,工业用水量大

(2)为了唤起人们对淡水资源的危机意识,设计一则公益广告词水是生命之源,节约用水,从点滴开始

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