| 摘要 | 第5-7页 |
| Abstract | 第7-8页 |
| Chapter One Introduction | 第13-19页 |
| 1.1 Background of the Research | 第13-15页 |
| 1.2 Purpose of the Research | 第15页 |
| 1.3 Significance of the Research | 第15-17页 |
| 1.4 Organization of the Thesis | 第17-19页 |
| Chapter Two Literature Review | 第19-33页 |
| 2.1 Introduction | 第19页 |
| 2.2 Identity in Foreign Language Acquisition | 第19-27页 |
| 2.2.1 Definitions of Identity | 第19-21页 |
| 2.2.2 Variety of Identity | 第21页 |
| 2.2.3 Relevant studies on Identity and Language Learning Abroad | 第21-25页 |
| 2.2.4 Relevant studies on Identity and Language Learning in China | 第25-27页 |
| 2.3 English Achievements | 第27-30页 |
| 2.3.1 Introduction | 第27-28页 |
| 2.3.2 Studies on English Achievements | 第28-30页 |
| 2.4 Relationship between Identity and English Achievements | 第30-31页 |
| 2.5 Research Gap and Research Questions | 第31-33页 |
| Chapter Three Theoretical Framework | 第33-37页 |
| 3.1 Bonny Norton’s Investment Model | 第33-34页 |
| 3.2 Bonny Norton’s Expanded Investment Model | 第34-37页 |
| Chapter Four Research Methodology | 第37-45页 |
| 4.1 Introduction | 第37页 |
| 4.2 Research Participants | 第37-38页 |
| 4.3.Research Instruments | 第38-42页 |
| 4.3.1 Questionnaire | 第38-41页 |
| 4.3.2 Narrative Inquiry | 第41-42页 |
| 4.4 Data Collection and Analysis | 第42-45页 |
| Chapter Five Results and Discussions | 第45-66页 |
| 5.1 Analysis and Discussions of the Questionnaire | 第45-55页 |
| 5.1.1 Overall Analysis of Students’ Identity | 第45-47页 |
| 5.1.2 Relationship between Imagined Identity and Language Investment Concepts | 第47-49页 |
| 5.1.3 Relationship between Imagined Identity and Language Investment Degree | 第49-51页 |
| 5.1.4 Relationship between English Achievement and Imagined Identity | 第51-52页 |
| 5.1.5 Relationship between English Achievement and Language Investment Concepts | 第52-54页 |
| 5.1.6 Relationship between English Achievement and Language Investment Degree | 第54-55页 |
| 5.2 Analysis and Discussion of Narrative Frameworks | 第55-64页 |
| 5.2.1 Identity Construction of Going Abroad for a Postgraduate Degree | 第56-58页 |
| 5.2.2 Identity Construction of Being a More Professional Teacher by Getting a Postgraduate Degree | 第58-62页 |
| 5.2.3 Identity Construction of Applying Financial Work after Graduation | 第62-64页 |
| 5.3 Summary | 第64-66页 |
| Chapter Six Conclusion | 第66-73页 |
| 6.1 Major Findings | 第66-68页 |
| 6.2 Implications of the Present Study for Language Learning and Teaching | 第68-71页 |
| 6.2.1 Implications for Language Learners | 第69-70页 |
| 6.2.2 Implications for English Teaching | 第70-71页 |
| 6.3 Limitations of the Present Study | 第71-72页 |
| 6.4 Suggestions for Future Research | 第72-73页 |
| Bibliography | 第73-78页 |
| Appendix Ⅰ | 第78-79页 |
| Appendix Ⅱ | 第79-81页 |
| 攻读学位期间取得的学术成果 | 第81-82页 |
| Acknowledgements | 第82页 |
