Smoking Is Harmful
      It is said that about half of people in China smoke. Many young boys and girls have the habit of smoking, though they are middle school students.
      As we all know, smoking does great harm to human beings. More and more people have come to realize how serious this problem is. But they are never bored with it. Some people think it is a kind of fashion, some think it is of great fun and others think that smoking can refresh themselves.
      Smoking causes many illnesses. A lot of people always cough because of smoking. The most serious illness caused by smoking is lung cancer. Meanwhile smoking is a waste of money. Besides, careless smokers may cause dangerous fires.
      In order to keep healthy, we should get rid of the bad habit of smoking. Please stop smoking at once.

    吸烟有害
    据说，中国有一半人在吸烟。许多男孩和女孩都有吸烟的习惯，尽管他们还是中学生。
    众所周知，吸烟对人身体有害。越来越多的人们认识到这个问题的严重性，但他们仍然乐此不疲。一些人认为抽烟是一种时尚，一些人认为抽烟很有趣，还有一些人认为吸烟可以提神。
    吸烟能导致很多疾病。由于吸烟，一些人一直在咳嗽。肺癌是吸烟导致的最严重的疾病。同时，吸烟很浪费金钱。除此而外，粗心的烟民还可能引起火灾。
    为了保证人们的身体健康，我们应当改掉吸烟的坏习惯。请立即停止吸烟吧。