标签：话题作文 话题 高考英语作文
字数：750字
提要：Ways of Preventing ObesityA 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..