Passing Nabokov's Intellectual Test

I would like to express my deepest gratitude to Professor Li Gongzhao, my supervisor, for his insightful guidance, valuable encouragements and careful reviews during my writing of this thesis. I am also greatly indebted to Professor Yao Naiqiang, Professor Xue Hanrong, and Associate Professor Wang Lan for their enlightening lectures from which I have benefited so much.Special thanks go to my classmates whose suggestions and encouragements during my writing of the thesis are heartily appreciated.