【正确答案】Dear Sir or Madam,
[1]I am writing to enquire about the enrollment requirements for MBA courses in Sydney University.
I have two-year working experience as an executive assistant in the marketing department of Unilever China. [2]For further personal development, I would like to take MBA courses in one of the sufficiently qualified institutes, Sydney University in particular for its well-established reputation. [3]May I have the honor of being given the specific information of your requirements of MBA applicants? [4]Shall I make contact with you via the Internet in the first place?
[5]I'd appreciate the privilege of a timely reply. I may be reached by the contact information in my resume.

【答案解析】作文要求以“李明”的名义写一封询问信。根据题目内容，考生已有2年工作经验，打算申请就读悉尼大学，特此写信询问相关招录信息。文章措辞应当礼貌谦逊，内容要全面周到。全文结构可以分为：开头点明写信目的；第二部分简要介绍自己的情况，表明申清原因，并询问有关信息；最后确认自己的联系方式，表明希望早日得到回复。 [1]开头直接点明写信目的是询问信息。 [2]说明申请MBA课程的具体原因是为了个人发展。 [3][4]询问是否可以获得具体的信息，措辞礼貌而谦虚，然后询问对方的联系方式。 [5]最后确认自己的联系方式，表明希望能够尽早得到答复。