| Acknowledgements | 第3-4页 |
| Abstract in English | 第4-5页 |
| Abstract in Chinese | 第6-9页 |
| Chapter One Introduction | 第9-18页 |
| 1.1 Research Background | 第9-14页 |
| 1.1.1 Doris Lessing's Life | 第9-12页 |
| 1.1.1.1 Doris Lessing's Life in Africa | 第9-10页 |
| 1.1.1.2 Doris Lessing's Life in Britain | 第10-12页 |
| 1.1.2 An Introduction of The Marriages Between Zones Three,Four and Five | 第12-14页 |
| 1.2 The Significance of the Study | 第14-15页 |
| 1.3 The Objectives of the Study and Research Questions | 第15页 |
| 1.4 The Method of the Study | 第15-16页 |
| 1.5 The Organization of the Thesis | 第16-18页 |
| Chapter Two Literature Review | 第18-26页 |
| 2.1 Doris Lessing's Works | 第18-19页 |
| 2.2 Studies on Lessing's Space Fictions | 第19-26页 |
| 2.2.1 Studies on Lessing's Space Fictions Abroad | 第20-22页 |
| 2.2.2 Studies on Lessing's Space Fictions at Home | 第22-26页 |
| Chapter Three Theoretical Framework | 第26-30页 |
| 3.1 Introduction | 第26-30页 |
| 3.1.1 Genette's Classification of Narrative Focalization | 第26-28页 |
| 3.1.2 Shen Dan's Classification of Narrative Focalization | 第28-30页 |
| Chapter Four Narrative Focalizations in the Novel | 第30-38页 |
| 4.1 Omniscient Focalization | 第30-32页 |
| 4.2 The First Person External Focalization | 第32-35页 |
| 4.2.1 The First Person Focalization during the Recalling Process | 第32-33页 |
| 4.2.2 The First person Focalization on the fringe of the Story | 第33-35页 |
| 4.3 The Third Person Limited Focalization | 第35-38页 |
| Chapter Five Shifts Of Different Narrative Focalization and the Significance | 第38-59页 |
| 5.1 The shifts of Different Narrative Focalizations | 第38-45页 |
| 5.1.1 Shift s between Different the Third person LimitedFocalizations | 第38-40页 |
| 5.1.2 The Shift between Omniscient Focalization and the Third Person Limited Focalization | 第40-41页 |
| 5.1.3 Shift between External First Person Focalization and Limited Third Person Focalization | 第41-45页 |
| 5.2 Literature Effects of the Shifts of Narrative Focalizations | 第45-59页 |
| 5.2.1 Portrayal of the Images of Characters | 第45-55页 |
| 5.2.1.1 Portrayal of Image of Al.Ith | 第46-50页 |
| 5.2.1.2 Portrayal of Image of Ben Ata | 第50-53页 |
| 5.2.1.3 Portrayal of Image of Dabeeb | 第53-55页 |
| 5.2.2 Communication between the Narrator and readers | 第55-59页 |
| Chapter Six Conclusion | 第59-62页 |
| 6.1 Introduction | 第59页 |
| 6.2 The Major Findings of the Thesis | 第59-61页 |
| 6.3 Limitations | 第61-62页 |
| Works Cited | 第62-65页 |
| Publications | 第65-66页 |
