一场特大洪水骤然把长江推向全国乃至世界舆论的焦点。长江发生大洪水并不是什么新鲜事，历史上有洪水记载的2000多年间，长江发生大洪水平均每10年次，清代更为频繁，平均每5年一次。而今年的洪水以其水位高、水量大、持续时间长而成为历史上罕见的一次，恰与1954年长江所出现 A flood suddenly brought the Yangtze River to the focus of public opinion throughout the country and the world. The Great Flood in the Yangtze River is nothing new. In the history of floods recorded in 2000, the floods in the Yangtze River averaged every 10 years and the Qing Dynasty was more frequent, with an average of once every 5 years. This year’s floods, with its high water level, large amount of water and long duration, became a rare occurrence in history, just as the 1954 Yangtze River emerged