My sincere thanks also go to my tutor Bao Yiqian for her selfless help andsuggestions for the study.

　　In addition, I would like to express my heartfelt gratitude to the professors in theForeign Language College. I have learned and benefited a lot from theirthought-provoking lectures during the past two years.

　　Finally, I want to express my thanks to my parents for their tender love and greatconfidence in me through all these years. I also own my sincere gratitude to my friendsand fellow classmate who give me their suggestions and help during the painstakingprocess of the thesis writing.

　　论文致谢五：

　　This thesis can’t be finished without the help from many people. It is attributed toseveral persons I’d like to give my sincere appreciation.

　　First of all, I’d like to acknowledge my supervisor professor Yuan Xuemei who hasbeen giving me advice on the proposal and the structure of this thesis and providing mewith many useful references that are of great help during the writing of the paper. Thisthesis can’t be completed without her patient instruction, constant encouragement andinsightful advice. I am so grateful to be her student.

　　Then, I’d like to give my thanks to all the other English teachers who have given meclasses of literature, linguistics, culture and thesis writing, etc. in the two years. Theseclasses greatly enlarge my knowledge and help me finish my thesis writing. I want toexpress my gratitude to Mr. Ren Baogui, Ms. Yuan Caihong, Mr. Li Yinfang, and Mr.Zhao Dongsheng, Mr. Liang Chenggong and Mr. Liu Qicheng who taught me during thepostgraduate study.

　　Besides, I’d like to thank my tutor Wang Jinxuan in No.l senior school of Luoyang,Henan Province who gives me inspiration on the investigation needed in the thesis andoffers many suggestions on my these writing.

　　At last, my parents, friends and roommates all are worth my grateful appreciation.They keep giving me support, encouragement and help in my two-year study so that I canfocus my attention on my learning and research.