Swimming is very popular in summer．People like swimming in summer because water makes them 1 cool．If you like swimming but swim in a 2 place, it may not be safe．These years, more than ten people 3 while they were enjoying themselves in the water and 4 of them were students．But some people are 5 not careful in swimming．They often think they swim so 6 that nothing can happen to them in water．Summer is here again．If you go swimming in summer, don't forget 7 better swimmers have died in water．They died because they were not careful, not because they 8 swim．So don't get into water when you are alone． 9 there is a“No Swimming”sign, don't get into water, 10 ．If you remember these, swimming will be safer．
