近日,据不少媒体报道,今年夏季防洪抗灾的形势不容乐观。受连日暴雨的影响,长江水文局预报,长江上游正在形成一场大洪水,洪峰流量将逼近7万m3/s,超过1998年大洪水的上游洪峰流量。长江沿线城市有发生洪水灾害的可能性,防汛形势十分严峻。洪水的直接致命伤害是淹溺。洪水时水面宽阔、水势急、浪头大,能够一下子把人淹没于水中;或者是人员游泳时间长、受冷水浸泡、因离岸远,容易出现体力不支而沉入水中的现象,使获救机会减少。淹溺的发生 Recently, according to many media reports, the situation in flood control and disaster relief this summer is not optimistic. Affected by the heavy rains, the Yangtze Hydrological Bureau predicted that a flood was forming in the upper reaches of the Yangtze River and the flood peak will reach 70,000 m3 / s, exceeding the peak flood peak in 1998. The cities along the Yangtze River have the possibility of flood disasters, flood control situation is very serious. The direct fatal injury to flooding is drowning. When the flood is wide, the water is in a hurry, the waves are big and can submerge people in the water all at once. Or people who swim for a long time are soaked in cold water that the phenomenon of sinking into the water due to being far away from the shore is likely to be rescued cut back. The drowning occurred