基础题
基础题：
题目：你的笔友 Tom 最近学习压力大，失眠严重。请给他写一封建议信，建议他通过运动和听音乐来放松。
解答过程：：
1.
开头：Dear Tom, I'm sorry to hear that you are suffering from insomnia due to study pressure. (表明目的+简述困境)
2.
主体：
- 建议1：I suggest doing some light exercise, such as jogging or swimming, for 30 minutes before bed. (具体建议)
- 理由1：This can help release tension and improve your sleep quality. (理由)
- 建议2：Also, listening to soft music might be a good idea. (具体建议)
- 理由2：It can calm your mind and help you fall asleep faster. (理由)
3.
结尾：I hope these suggestions will be helpful to you. Looking forward to your reply. (祝愿+期待)
变式题：
题目：学校图书馆噪音大，影响阅读。请以学生会名义给图书馆管理员写一封建议信，建议安装隔音设施并设立静音区。
解答过程：：
1.
开头：Dear Librarian, On behalf of the Student Union, I am writing to offer some suggestions regarding the noise issue in our library. (表明身份+目的)
2.
主体：
- 建议1：It is recommended that sound-absorbing materials be installed in the reading areas. (具体建议，使用被动语态更显正式)
- 理由1：This would significantly reduce background noise and create a quieter environment for students. (理由)
- 建议2：In addition, setting up specific "Silent Zones" with clear signs would be beneficial. (具体建议)
- 理由2：This allows students who need absolute silence to focus, while others can still discuss quietly in other areas. (理由，体现可行性)
3.
结尾：We trust that these measures will improve the library's atmosphere. Thank you for your consideration. (信任+感谢)