阅读短文,根据短文大意及上下文和首字母提示填词.

阅读短文,根据短文大意及上下文和首字母提示填词.
Swimming is very popular in summer .people like s___ in summer because water them feel cool.If you swim in awrong place,it may not be s____ .Some people die when they are swimming in a w______ place.Most of them are students.
But some people are still not c____ in swimming .they often think n____ can happento them in water.S____ is here again.If you go swimming in summer ,don't f______ that good swimming often die in water .They did b____ they are not careful ,not because they can't s_____.So don't get into water when you are alone.If there is a "No swimming" sign,don't get into water.If you remember t______,swimming will be safer.