本单元的写作要求是就某一社会问题写信给媒体陈述自己的观点和看法，此类信件一般遵循以下步骤和原则：
1．首段：陈述事实，表明写作意图和反映的问题。
2．主体段：写明要谈论或陈述的具体内容。要求文字简明达意，层次分明，字迹清楚。
3．末段：表明自己的观点和态度并提出建议。
二、增分佳句
1．I’m writing to express my views concerning ...
2．I’d like to suggest that ...
3．It seems to me that ...
4．I believe it would be more beneficial if you could ...
5．I hope you’ll take my advice into account.
6．In my opinion ...
7．I’m looking forward to hearing from you soon.
8．Will you please give me some advice?
