2018_2019学年高中地理第三章地球上的水3.3水资源的合理利用学案1新人教版必修1.doc

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1第三节 水资源的合理利用学习目标:1、学生能够从广义和狭义(尤其是狭义)两个角度解释水资源的概念。2、能够举例说明水资源的特点和作用。3、归纳、总 结并记住我国水资源的基本国情。课前探究:(1)为什么地球上缺水?(2)为什么世界上的水资源分布不均?(3)如何解决这种分布的不均?请提出意见和建议自主学习:1、通常说的水资源主要指 。2、人类比较容易利用的淡水资源,主要是 、 和 。3、水资源丰富的地区降水量 ,水循环 ;水资源贫乏地区则相反。4、一个国家或地区水资源的丰歉程度,通常用 来衡量。5、世界各大洲水资源(南极洲除外) ,水资源最多的是 ,最少的是 。6、我国水资源分布不均:从地区分布上看 多 少, 多 少;从时间分配看 多 少。7、水资源的数量会影响经济活动 的大小;水资源的质量会影响经济活动的 。在不同生产力条件下,水资源的数量、质量对人类影响程度是 。8、目前水资源的利用状况(即水危机产生的原因)(1)人类对水资源的需求量 (即工农业生产、生活用水量大) ;(2)水污染 ;(3)水浪费 。9、合理利用水资源采取的措施(1)开源措施 ; ; ; 。2(2)节流措施 ; ; ;

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