AcknowledgmentsFirst and foremost, I would like to express my heartfelt gratitude to my respected supervisor Wang Yang, who has been giving me valuable suggestion, patient guidance and sincere help in the academic studies
Without her conscientious guidance, this thesis would not have been completed
I also feel grateful for my families and friends, who encourage me, stand by me and help me out of trouble during my study without any complaints
Last but not least, I own my university a special debt of appreciation for giving me such a stage to draw a perfect period of my four years’ undergraduate education
AbstractToni Morrison, a famous American writer, is the first African-American female who is awarded the Nobel Prize for literature and pays close attention to African-American females’ li