结构要点推荐信是向收信人推荐某人做某事的信件，一般分为三个部分：
1．指出被推荐的人及推荐的原因；
2．介绍被推荐人的情况；
3．总结说明被推荐人值得被推荐(例如能胜任工作)。
i have been working with professor wang for almost twenty years and he strikes me as a most intelligent, diligent and responsible teacher. he has teaching a large range of subjects covering both language and culture.professor wang has been a visiting scholar in the united states for three years and thus his english reading and writing abilities are both strong. since he has rich experience in teaching overseas students, i fully believe he will do an excellent job if you decide to give him a chance. please feel free to contact me if you needany further information.
faithfully yours.
li ming
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