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如果单纯从一个层面去理解水,说明水的概念,回答和论证关于水的问题,答案应该是轻松的。但如果把水的问题放到整个生态环境及社会经济生活中去探讨、去研究,就并不是那么轻松的了。甚至,水成了一个令人心悸的话题。新千年的春天,本该是春光明媚,桃红柳绿的好时光。然而,一场又一场的罕见沙尘暴却席卷了长城内外,殃及江南部分地区,造成了数十人的死亡和巨大的财产损失。据有关新闻媒体报道,今年3月
If you simply understand the water from one level, explain the concept of water, and answer and justify questions about water, the answer should be relaxed. However, if we put the issue of water in the entire ecological environment and socio-economic life to explore and study, it is not so easy. Even water became a daunting topic. Spring of the new millennium, this should be a beautiful spring, pink willow green good times. However, rare sandstorms one after another have swept across the Great Wall and other parts of the Yangtze River, causing dozens of deaths and huge property losses. According to the news media reported in March this year