判断正误。T表示正确。F表示错误。

Swimming is very popular in summer．People like swimming in summer because water makes them feel cool．If you swim in a wrong place, it may not be safe．These years, more than ten people died in this city while they were enjoying in the water and most of them were students． But some people are still not careful in swimming．They often think they swim so well that nothing can happen to them in water．Summer is here again．If you go swimming, don’t forget that better swimmers have died in water．They died because they were not careful, not because they were not good at swimming．So don’t get into water when you are alone．If there is a “No swimming” sign, don’t get into water, either．If you remember all this, swimming will be safer．

（   ）1． Swimming is a very safe sport．

（   ）2． We shouldn’t swim in some wrong places．

（   ）3． Only students died in water．

（   ）4． If you are good at swimming, you will not died in water．

（   ）5． If we often practice swimming, we will be safe．