参考答案

正确答案：July 25 2006Dear Sir or MadamThis is to certify that the holder of this letter Li ping is a graduate of Guangzhou University majoring in English language and literature. in my capacity as an English teacher of this university I have the pleasure to recommend her as a post-graduate student in the English Department of your university.During her school years she achieved excellent results in study and was interested in a wide range of subjects. As for her moral character she was also praiseworthy she was polite and respectful to her teachers and cooperative with his classmates. I believe she will also do well in the field of the graduate study in her chosen field.Any attention which you extend to her will be gratefully appreciated.Sincerely yoursProfessor Chen YuDean of the English DepartmentGuangzhou University
July 25, 2006Dear Sir or Madam,This is to certify that the holder of this letter, Li ping is a graduate of Guangzhou University, majoring in English language and literature. in my capacity as an English teacher of this university, I have the pleasure to recommend her as a post-graduate student in the English Department of your university.During her school years, she achieved excellent results in study, and was interested in a wide range of subjects. As for her moral character, she was also praiseworthy, she was polite and respectful to her teachers, and cooperative with his classmates. I believe she will also do well in the field of the graduate study in her chosen field.Any attention which you extend to her will be gratefully appreciated.Sincerely yours,Professor Chen YuDean of the English DepartmentGuangzhou University, 解析：这类证明书是单位或有关人士对其管辖范围内的人或事情的真实情况所开具的证明信件。
其格式和一般的书信的格式类似，称呼语常用“To Whom It May Concern”，落款用单位的公章或个人的签名。正文常用This is to certify that…来开头。
常用的证明书：身份证明书Identity Certificate
出生证明书：Birth Certificate
学历证明书：Schooling Certificate
医生证明书：Doctor’s Certificate
病假证明书：Certificate for Sick Leave
结婚证明书：Marriage Certificate
毕业证明书：Graduation Certificate
学位证明书：Degree Certificate
离职证明书：Resignation Certificate
退休证明书：Retirement Certificate
获奖证明书：Certificate of Merit