假設你是李華，你的朋友John最近沉迷于電腦游戲不能自拔，嚴重影響了學習和身心健康，請你給他寫一封信，勸他改掉這個壞習慣，并對他的學習生活給出自己的建議。
從以下幾個方面入手：
（1）作者首先要陳述自己的擔憂；
（2）指出沉迷于電腦游戲的危害；
（3）表達作者的希望并提出建議；
注意：
（1）詞數(shù)：100左右；
（2）可以適當增加細節(jié)，以使行文連貫；

Dear John ，___________
Yours，
Li Hua

【考點】應用文；環(huán)境保護．

【答案】Dear John，
  Knowing that you are addicted to computer games recently，which has seriously affected your study and physical and mental health，I feel very worried and now I am writing to persuade you to quit this bad habit and offer some of my suggestions on you study and life.【高分句型一】（寫信目的）
  Though it's generally believed that computer games ate interesting and can inspire our imagination，they will be harmful to you in many ways if you abuse them.Not only will they waste too much valuable time which should be spent on your study or other beneficial things，but also playing games for a long time will do harm to your health，especially to your eyes.【高分句型二】（勸他戒掉這個不良習慣）
  Therefore，I strongly hope that you can keep away from jye.aim.The earlier，the better.In your free time，you can read more good books，take more exercise to build you up or participate in some social activities to live a meaningful life.（對他的學習和生活給出自己的建議）
  Looking forward to your good news.（表達期盼）
Yours，
Li Hua