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It's easy for people to cold in winter or spring．But we canalso do a lot healthy．Here is some advice．Wash your hands often，and it will stop germs（细菌） from one person to another. Don't your hands when coughing．Use a tissue（纸巾）、and then throw it away at once．Turn your head away from people near you when you （咳嗽） ．Get some fresh air．Germs like staying in wet and warm room．So you'd better your window open at night when you are sleeping，or you won'tenough fresh air．If flu（流感）is going around your house or school，you should to stay away from those who ill．Rememberyour towel（毛巾）for about a minute to kill germs．
