话题背景中国水资源人均占有量为世界人均占有量的1/4,被列为世界13个贫水国家名单。而京津冀地区生活着全国7%的人口,创造出全国近9%的国民生产总值,但水资源总量仅占全国的1%。自1997年以来,该地区连续4年干旱少雨,地表水日趋减少,地下水大量超采,水污染、水土流失状况严重,水资源供需矛盾日益 Topic Background China’s water resources per capita share of the world average of 1/4, was listed as the list of the world’s 13 water-poor countries. The Beijing-Tianjin-Hebei region, with 7% of the population living in the country, has created nearly 9% of the country’s gross national product, but the total amount of water resources accounts for only 1% of the country’s total. Since 1997, the area has suffered from arid and dry conditions for four years in a row, surface water has been declining, groundwater has been overexploited, water pollution and water and soil erosion have been grave, and water resources supply and demand have become increasingly contradictory