[解析]
Dear sir or Madam,
My name is Li Hua.I'm writing to recommend myself as one of the image ambassadors.(写信的目的)
I come from Class 3 Senior 2.I do well in my lessons,especially good at spoken English.I got the first pace in the English speech contest in our city last year.As a member of the English club in my city,I have a lot of chances to speak English with native speakers,so I have no difficulty communicating with foreigners in English.【高分句型一】Besides,I'm interested in Western culture,so I love reading English novels in my spare time.(陈述优势)
I would like to learn more about Western countries and have a better understanding of foreign culture.I think this is a good chance for me to put my talent to good use.By accompanying visiting students from foreign countries,I can exchange ideas with them and spread Chinese culture.【高分句型二】I hope to be an image ambassador of our school.(对这次交流活动的看法)
Looking forward to your reply.(希望获得批准)
Yours,
Li Hua