Summer is coming again. Many students 1 swimming. It's a good way 2 cool. And it's also good for our health. But sometimes it's very 3 because some students are not always 4 others or they don't swim in a 5 place. They always think 6 is around them and 7 will happen (发生) to them. Then some people 8 their lives when they were swimming. So we should 9 make it alone when we plan to swim. If everyone remembers this, swimming 10 safe. Let's enjoy swimming and keep safe!