Ways of Preventing Obesity
      A healthy diet and regular exercise may help to prevent obesity among children.Take Li Ming for example.
      Li Ming used to be a heahhv boy, but over a year ago, he got into the habit of eating a lot of junk food and snacks. Besides, he spent a lot of time lying on the sofa, watching TV, and did little exercise. As a result, he put on so much weight that he found it difficult to chimb stairs.
      So Li Ming decided to change the unhealthy life style, ftc began to have balanced, healthy diet.  Itc also took part in various sports activities such as swimming, skating, running and playing baskellball. Months later, Li Ming became as fit as before.

    减肥的方法
    健康饮食和体育锻炼可能有助于阻止儿童肥胖，以李明为例。
    李明过去是一个身体健康的孩子，但一年前，李明养成了乱吃零食和垃圾食品的习惯，除此之外，他还整天躺在沙发上看电视，很少运动，结果他变得大肥胖，上楼都困难。
    所以李明决定改变不良的生活习惯，均衡饮食，并且参加各种体育活动如游泳，滑冰，踏步和打篮球等。几个月后，李明又变得和以前一样健康了。