如果地球上只剩下最后一滴水，那就是我们的眼泪。”每当看到这句为人们及时敲响警钟的经典语句，我便想起两年前一件令我醒悟的小事。
两年前的一天，我和同学在踢毽子，累了，我就朝学校洗手间跑去。拧开水龙头，我将脏乎乎的手伸了过去，那清澈的水流在我的脏手上，我的手很快就干净了。我不禁来了兴趣，用手堵住了水龙头，水就像喷泉一样向外射起来，很快就流了满地，我这才心满意足地走了出去。
当我再踏进洗手间时，看见墙上贴了一张纸条，上面歪歪扭扭的写着“节约用水”。我毫不犹豫地将它撕了下来，又在水龙头前玩了个够。
可是很奇怪，当我再次看到美丽的“喷泉”时，那张节约用水的纸条又出现在我眼前。我像个小侦探似的躲在门后。
一个小姑娘进来了，看起来她像个一年级的学生，她很吃力地把写有“节约用水”的纸条贴在墙上，然后洗完小手走了出去。
我震撼了，一个低年级的小姑娘都知道为节约用水尽自己的力量，而我已经是三年级的学生了，头脑里还丝毫没有节水的意识。后来随着年龄的增长，我逐渐知道了有限的水资源是经不起浪费的，中国在世界上属于严重缺水国家，许多大城市已经限制用水，而我们甘肃的定西地区更是以干旱贫穷而闻名于世的.地方。
我们张掖地处黑河流域，背靠祁连雪山，表面上看起来暂时不缺水，但是每年肆虐的沙尘暴，给人们生产生活带来的不便，又说明了什么呢?我们的生态环境需要水。我们只有从小树立节水意识，并向周围的人们宣传节约用水的重要性，从小做起，从我做起，才能真正为保护水资源，保护我们的生存环境做出一点努力，不然的话，我们的子孙后代吃什么喝什么呢?
节约用水不是一句空话，而是要从每件具体的小事做起，养成良好的用水习惯。只要人人都节约用水，建设节水型社会的目标一定会实现。
2with the developing rises live, people directs more and more excessively on environment, especially in a few middle-schools. it would destroy nature if we wastes excessive balance.
protect the environment is the duty of everyone, we are just some students , we couldn't make something especially big contribution for the environment , but we can secondary composes up in our environment , from protecting schools' environment, for example: observe in connection with the regulation forbidding chaos to throw away various waste , avoid using the drink cup , metin , plastic bag for one time merely , use pa-pe-r box to wait in the place or container throwing away waste to appointment, replace, such can cut down a rubbish greatly, lightening refuse disposal job pressure , treasuring flowers and plants trees , being the cleaning giving to new year card as a gift , keeping campus short and so on.
although these being minor matter at above ,but if everybody gets to do, set about from saving resource and falling off contaminating, self life-style adjusting an once, we are therefore likely to be to protect the earth ma-ki-ng a contribution out.
as the teen-agers who taking knowledge now , we should protection environment up right now.save the resource, protection environment , act as the young host who protects the earth
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