【答案解析】[参考范文]
Dear Sir or Madam,
I am pleased to recommend Zhang Wei, a close associate of mine, for the position as an assistant director of the research department at our company.
As his best friend, we once worked on many projects, and I got to know him very well during that period. He had excellent performance on the projects we collaborated. Combined with sophisticated grasp of professional knowledge, his rich working experience will greatly improve the productivity of our demanding tasks. As a hard-working gentleman, he gets along well with others and will be an enthusiastic and pleasant colleague.
If Zhang Wei could be given the opportunity to work in our company, I firmly believe that he will be an excellent worker and meet your expectations.
Yours sincerely,
Li Ming
[解析] 本题要求写一封邮件，实质是推荐信。推荐信是一个人为推荐另一个人得到某个机会或者某个职位而写的信。写作需要注意以下三点。(1)开门见山说明写信目的，即推荐谁及其与被推荐人之间的关系；(2)描述推荐的理由以及被推荐人的主要特点；(3)希望优先考虑等。要注意多写优点，充分肯定成绩。篇幅不宜过长，也不能三言两语。