【正文】
am greatly indebted to my supervisor, Professor Wang Shuting, for his valuable instructions and suggestions on my thesis as well as his careful reading of the feel grateful to all the teachers in the College of Foreign Languages of China University of Petroleum who once offered me valuable courses and advice during my sincere thanks are also given to Ruiliang and whose lectures I benefited but not least, I owe much to my friends and classmates for their valuable suggestions and critiques which are of help and importance in making the thesis a Grateful acknowledgement is made to my supervisor Fang who gave me considerable help by means of suggestion, ments and encouragement and unwavering support has sustained me through frustration and his pushing me ahead, the pletion of this thesis would be addition, I deeply appreciate the contribution to this thesis made in various ways by my friends and classmatesAcknowledgements First and foremost, I am most grateful to my supervisor, Professor XXX, whose useful suggestions, incisive ments and constructive criticism have contributed greatly to the pletion of this devotes a considerable portion of her time to reading my manuscripts and making suggestions for further tremendous assistance in developing the framework for analysis and in having gone through the draft versions of this thesis several times as well as her great care in life deserve more thanks than I can find words to am also greatly indebted to all my teachers who have helped me directly and indirectly in my progress that I have made is the result of their profound concern and selfless them the following require mentioning: Professor XXX, , and I am greatly indebted to my thesis supervisor, his patient assistance and friendly encouragement, it would not be possible for me to plete this thesis in such a short period of time without reducing its scholarly willingness to give me his time so generously has been much , without his painstaking efforts in revising and polishing my drafts, the pletion of the present thesis would not have been sincere thanks should also go to all my teachers for their scholarly advice and generous help during my study in Foreign Language School of Linyi Normal progress that I have made is the result of their profound concern and selfless them the following requires mentioning: Professor XXX, Professor XXX, and .