自从七月以来,中国大部分地区遭遇暴雨、特大暴雨、台风等自然灾害的侵袭,首都北京的“七.二一”灾情还未平复,祖国各地又传来洪峰、泥石流、台风登陆的灾情险况。其实,暴雨是我国主要的自然灾害之一,长江流域、黄河流域的人们自小深刻体会水涨船高,洪峰过境的危险,养成了 Since July, most parts of China have been hit by natural disasters such as torrential rains, torrential rain and typhoons. The “July 21” disaster in the capital Beijing has not yet regained its repercussions. Flood strikes, mudslides and typhoon landed on the rest of the country Disaster situation. In fact, heavy rains are one of the major natural disasters in our country. People in the Yangtze River Valley and the Yellow River Basin have experienced profound changes in their height and the danger of crossing the boundary during their childhood so they have developed