商业函件是一种广告媒体，利用邮局点多面广的优势，以邮寄的方式，将广告客户要求寄发广告商品介绍、订货单、调查征函、通知单等投送到广告客户所希望的.接收人手中。
商业信函：求职信
Directions: For this part, you are allowed 30 minutesto write a letter applying for a position of a should write at least 120 words according to theoutline given below in Chinese:
1、申请职位，2、简要介绍自己的情况，3、期待回信。
范文：
Dear Sir or Madam
I am senior from the Department of BusinessAdministration of Beijing University. I am writing theletter in purpose of applying for admission into youresteemed institution/your recently advertised position for a staff member.
I am sure that I am qualified for it. First, enclosed with this letter is my resume, which furtherdetails my previous academic qualifications and work experience. Second, not only do myqualifications and experience make me a perfect candidate for it, my cheerful personality iswell suited to studying in your prestigious university/working as a staff member. Last, myhobbies include sports and music.
Words fail me when I try to express my heartfelt gratitude to the help you rendered me. Yourprompt and favorable attention to my inqquiry would be highly appreciated.
Yours sincerely,
Li Ming