英文申请推荐信的范文 急！！

你需要一份恳请专家为你写推荐信的信，还是需要一封专家的推荐信。如果你需要的是前者 （见下面范文1）：
Dear Prof. XXX,
I am in the process of putting together an application package for a position at Chrome. One of the requirements for applying for this position is letters of recommendations from three fessors. Since I have taken two computor couses from you, I'm wondering if you would be willing to write a letter of recommendation focusing on my computer knowledge. For your information, I have also enclosed a copy of my current CV.
Thank you very much for your patience and understanding.
Yours sincerely,
xxx

如果你需要的是后者（见下面范文) 2：
March 1, 2012
Re: Recommendation letter for Eric Xu
To Whom This May Concern:
I am very pleased to write this letter of support on behalf of Mr. Eric Xu for hisapplicat