【题目】阅读材料，回答问题。
我国是一个贫水国家，面临着严重的水资源短缺，然而在现实生活中，却仍有不少人似乎并不知道水在人类生活中的作用，在我国面临水资源严重紧缺的情况下，仍在漫不经心地浪费和污染着这种稀缺的资源。唤起全社会的关注，治理水资源的浪费和污染，已成为刻不容缓的事情。
（1）水资源的浪费主要表现在生活中、农业上、工业上的用水浪费，我们怎样去节约用水？提出你的建议。
（2）水污染主要指生活中的污水、工业上的废水、农业上农药化肥污染水，我们怎样去防治水污染呢？请提出你的看法。
【答案】（1）生活中，一水多用，使用节水器具等；农业上改变灌溉方式，多用喷灌或滴灌，培育耐旱品种；工业上水要循环使用等。
（2）沿途植树造林，增加水的自动净化能力；少向河流扔垃圾、排放污水；建立污水处理厂，污水达标才能排放；农业中少使用农药和化肥，多使用有机肥；生活中少使用洗衣粉、洗洁精等。
【解析】
（1）保护水资源一是要防止水资源污染，二是要节约用水，所以保护水资源的措施：①节约用水；②大力植树造林；③加强污水的治理循环利用；④加强海水淡化利用等合理即可。
（2）目前防治水污染的方法主要有以下几种：沿途植树造林，增加水的自动净化能力；少向河流扔垃圾、排放污水；建立污水处理厂，污水达标才能排放；农业中少使用农药和化肥，多使用有机肥；生活中少使用洗衣粉、洗洁精等。
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