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At the request of Mr. Xizhen Chen, my former student in the Department of Computer Science, Beijing Univ. of Sciences, I am glad to write this letter furnishing my evaluation ofhis academic aptitude for your reference. Mr. Chen is interested in your graduate program in Computer Science.I came to know him in September 1987 when Mr. Chen enrolled in my class on FORTRAN IV Programming, a three semesters course.In the class he was one of the most outstanding students. At the semester final he earned a high grade of 81, which should be A according to our grading system. I also ound him good at other studies.After the class, he had personal talks with me several times. He indicated a great interest in computer hardware,

In my opinion, Mr. Chen has a potential in Computer Science, which can be further developed.In view of his previous achievements in this College, I am firmly convinced that Mr. Chen will make a successful graduate student. Your favorable consideration of his admission will be highly appreciated.

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Dear Colleagues£º

As a teacher in Department of Biology, Nankai University, a leading university in China, I am very pleased to take this opportunity to recommend one of my favorite students to your PhD program.

In September, 2004, Miss Zhang was my students in General Biology, the first professional course they take in the field. She likes it very much. I teach her in an open and interactive manner, she is active and passionate about answering class questions. Miss Zhang is bright, energetic and enthusiastic girl who loves speaking out her own ideas. She never escapes from those points of which she is skeptical. Apart from that, she often puts forward her ideas upon questions and exchanges all of her innovate ideas with me after class.

Upon ending of General Biology course, I asked my students to write an essay upon their understanding of biology. I discovered Miss Zhangs essay was so impressive and persuasive; her careful essay comes from dozens of references to Biology literatures. In essay Miss Zhang stretched out her creative thinking upon status quo of biological research and branches in the field of biology. All of this speaks to her creative and logical and scientific thinking capability. I am gladly to say that Miss Zhang has a clear understanding about General Biology, that comprehension has been reflected fully in her essay. Therefore Miss Zhang got a full point for her essay in her class, and other students took it as model essay for granted.

I believe Miss Zhangs industriousness, passion and dedication will make her an ideal candidate you are seeking for your program, so I highly recommend her without any hesitation to you. And I will greatly appreciate it if you could accept her into your program.

Sincerely yours,

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In capacity as Professor of Mathematics at Fudan University¢ŸIm writing to recommend Mr. Wang¢ŸGesintosyour PhD program in Computer Science. I have known Mr. Wang since his sophomore year of college¢Ÿand have acted as his thesis advisor and mentor. In my experience¢Ÿhe is a gifted and diligent student¢Ÿand an admirably hard worker.

Wang is an impressive student because he has been forced to overcome the significant challenge of a serious illness during his freshman year. When I first met Wang in my Discrete Math class¢Ÿhe did not appear to be anything special to me. While his exam scores were good¢Ÿthey were not as high as I would now expect of him. What I didnt know then was that due to his illness¢ŸWang was attempting to take all of the difficult early mathematics courses at one time¢Ÿincluding Discrete Mathematics¢ŸAdvanced Mathematics¢ŸLinear Algebra¢Ÿand Possibilities. While most students found preparing for just one set of these exams difficult¢ŸWang was overwhelmed by four of them. But in the end¢Ÿhe achieved an impressive score on the final exam¢Ÿwhich made me conscious of his unusual determination he demonstrates when confronting difficult challenges.

Mr. Wang and I have often talked about a variety of mathematics and computer science concepts and problems. During these discussions¢ŸI always found him to be delightfully intelligent. Not only does he quickly understand the concepts and problems presented to him¢Ÿhe is able to analyze these problems and present solutions. But perhaps most important is that Wangs thinking is intensely rigorous. When looking at any question¢Ÿhe carefully scrutinizes it and if he finds any uncertain issues¢Ÿhe clears them up immediately. I believe this kind of thought is essential to become an excellent computer programmer.

Serving as his thesis advisor¢ŸI had a first-hand opportunity to observe the way in which Wangs mind works. In his senor thesis¢ŸMr. Wang mainly discussed two challenging questions in regards toANN. In our books in China¢Ÿknowledge of ANN and its uses are very rare. Few people in China have studied this topic and consequently¢Ÿthe materials that are available on ANN are limited. Working on this difficult project¢Ÿnot only did Mr. Wang rise to the challenge¢Ÿbut he went above and beyond the call of duty to analyze his secondary sources and test them for accuracy in practice. In this way¢Ÿhe found mistakes in the book that we use. His diligence and hard work made me extremely proud of him.

Mr. Wang is an intelligent¢Ÿmotivated¢Ÿand industrious individual. Teaching and advising him has been a delightful pleasure. I know that if given the chance to study abroad in America¢Ÿhe will arm himself to become a great programmer he dreams of being. He has the intelligence and background to achieve these goals - now all he needs is the opportunity. I ask that you look upon his application favorably and grant him a chance to study in your university.