考研英语中，建议信是一种常见的写作题型，考查的是考生如何清晰、有条理地表达自己的观点和建议。以下是一些建议信的写作结构和内容要点，以及一个示例：
写作结构
开头
说明写信的目的。
可以使用“I am writing to advise you of...”或“I would like to make a recommendation that...”等句式。
提出建议
使用“Firstly, Secondly, Thirdly...”等结构来组织建议。
每条建议后简要说明理由。
结尾
期盼对方的回复。
可以使用“Thank you for your attention. Please take good consideration of my advice.”等句式。
示例
```
Dear [Recipient's Name],
I am writing to advise you on the matter of [topic of the letter]. As [your relationship to the recipient], I believe that my suggestions could be of assistance.
Firstly, I would like to suggest that [first suggestion]. This is because [reason for the first suggestion]. Secondly, it would be beneficial if [second suggestion]. This is due to [reason for the second suggestion]. Lastly, [third suggestion] could be implemented to [reason for the third suggestion].
I hope that my suggestions are helpful for your decision-making. I look forward to hearing from you soon.
Sincerely,
[Your Name]
```
注意事项
确保建议具有可行性和实际意义。
使用礼貌和正式的语言。
保持结构清晰，便于读者理解。
希望这些建议能对你准备考研英语的建议信写作有所帮助。