假如你是李华。你的朋友Mike 染上了烟瘾，请你写一封信说服他戒烟。
要点如下:

吸烟的危害	1. 危害自身和他人健康
	2. 污染空气
	3. 其它原因
戒烟方法	1. 远离吸烟者
	2. 逐渐减少吸烟量
	3. 其它方法

 
词数：100-120 左右，信的开头和结尾已给出。
Dear Mike,
Recently I have noticed that you are addicted to smoking. 
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Quitting smoking is not as hard as you think. If you keep trying you will succeed.
Yours,
Li Hua