在考研英语小作文中，包含了20多种应用文，投诉信就是其中一类。
投诉信是当人们对某机构的工作人员或其服务不满时，向有关机构的主管或监督人员所做出的书面表述。其内容往往包括对被投诉事件的回忆，投诉人的心里伤害、经济损失，以及投诉人对被投诉方提出的合理补偿要求等。
在此新东方在线整理了2015考研英语小作文模板之投诉信，同学们可作参考!
Directions：You live in a room in college which you share with another
student. You find it very difficult to work there because your roommate always
has friends visiting and has parties in the room.
Write a letter to the Accommodation Officer at the college and ask for a new room next term. You would prefer a single room. Explain your reasons.
参考范文：
Dear Sir or Madam，
I am writing to express/air dissatisfaction/disappointment/concern regarding accommodation. I would prefer to move into a single room next semester， as I find the present sharing arrangement inconvenient.
I must explain that the reason for my dissatisfaction is my roommate‘s inconsiderate behavior. For one thing， his friends are constantly visiting him; for another， he regularly holds noisy parties.
To solve this problem/surmount this difficulty/improve this situation/crack this hard nut， I hope to draw the attention of the authorities concerned. I am sure you will aGREe that the only solution for me is to move into a room of my own. Therefore， I would be grateful if you could find a single room for me， preferably not in the same building but as near to the college campus as possible.
Yours sincerely，
Li Ming