| Acknowledgements | 第5-6页 |
| Abstract | 第6-7页 |
| 摘要 | 第8-12页 |
| List of Abbreviations | 第12-13页 |
| Chapter One Introduction | 第13-18页 |
| 1.1 Introduction | 第13-14页 |
| 1.2 Background of the Study | 第14-15页 |
| 1.3 Purpose and Significance of the Study | 第15-16页 |
| 1.4 Structure of the Thesis | 第16-18页 |
| Chapter Two Literature Review | 第18-32页 |
| 2.1 Definition of Attitude | 第18-19页 |
| 2.2 Definition of Learning Attitude | 第19-21页 |
| 2.3 Categories of Learning Attitude | 第21-24页 |
| 2.4 Definitions of "Trilingualism" | 第24-25页 |
| 2.5 Relevant Studies Abroad and at Home | 第25-29页 |
| 2.5.1 The Studies of Trilingual Learning Attitudes on Abroad | 第25-27页 |
| 2.5.2 The Studies of Trilingual Learning Attitudes at Home | 第27-29页 |
| 2.6 Policies of Trilingualism | 第29-32页 |
| Chapter Three Research Methodology | 第32-42页 |
| 3.1 Introduction | 第32页 |
| 3.2 Participants | 第32-34页 |
| 3.3 Research Questions | 第34页 |
| 3.4 Instruments | 第34-39页 |
| 3.4.1 Questionnaire | 第35-38页 |
| 3.4.2 Interviews | 第38-39页 |
| 3.5 Procedures and Implementation | 第39-40页 |
| 3.6 Reliability and Validity | 第40-41页 |
| 3.7 Summary of Chapter Three | 第41-42页 |
| Chapter Four Results and Discussion | 第42-69页 |
| 4.1 Introduction | 第42-43页 |
| 4.2 The Chief Attitudes of Jingpo Ethnic Minority Learners towards TrilingualLearning | 第43-49页 |
| 4.2.1 Jingpo Students’Attitudes towards English | 第43-45页 |
| 4.2.2 Jingpo Students’Attitudes towards Chinese | 第45-47页 |
| 4.2.3 Jingpo Students’Attitudes towards Jingpo Language | 第47-49页 |
| 4.3 The Differences in Learning Attitudes towards Trilingualism | 第49-51页 |
| 4.3.1 Comparison of the Same Language in Three Different Schools | 第49-50页 |
| 4.3.2 Comparison of the Different Languages in the Same School | 第50-51页 |
| 4.4 Interview Results: Brief Case Studies | 第51-57页 |
| 4.4.1 The Jingpo Students’Attitudes towards Trilingual Learning | 第51-57页 |
| 4.4.1.1 The Result of the Interviews with Jingpo Students’ Attitudes toEnglish | 第52-54页 |
| 4.4.1.2 The Result of the Interviews with Jingpo Students’ Attitudes toChinese | 第54-55页 |
| 4.4.1.3 The Result of the Interviews with Jingpo Students’Attitudes to JingpoLanguage | 第55-57页 |
| 4.5 The Influencing Factors of Students’Attitudes towards Trilingual Learning | 第57-58页 |
| 4.6 The Results of the Interviews with Some English Teachers | 第58-64页 |
| 4.6.1 English Teachers’Attitudes Towards Trilingual Learning | 第58-60页 |
| 4.6.2 Views on the Ethnic Group Students’Achievements and Behaviors | 第60-62页 |
| 4.6.3 Comments on Applying the Ethnic Language to English Teaching | 第62-63页 |
| 4.6.4 Suggestions to Develop Trilingual Education in the Ethnic MinorityAreas | 第63-64页 |
| 4.7 The Result of the Interviews with Three Schoolmasters | 第64-66页 |
| 4.8 Discussion | 第66-67页 |
| 4.9 Summary | 第67-69页 |
| Chapter Five Conclusion and Implication | 第69-77页 |
| 5.1 Introduction | 第69页 |
| 5.2 Main Findings | 第69-72页 |
| 5.3 Implications from This Paper | 第72-74页 |
| 5.3.1 To Cultivate Ethnic Students’ Positive English Attitudes | 第72页 |
| 5.3.2 To Cultivate Ethnic Students’ Positive Chinese Attitudes | 第72-73页 |
| 5.3.3 To Cultivate Ethnic Students’ Positive Jingpo Language Attitudes | 第73-74页 |
| 5.3.4 Language Policy and Language Education | 第74页 |
| 5.4 Limitations of Present Study | 第74-76页 |
| 5.4.1 Subjects Chosen | 第74-75页 |
| 5.4.2 Question Design | 第75-76页 |
| 5.4.3 Methodological Limitations | 第76页 |
| 5.5 Recommendations for the Further Research | 第76-77页 |
| Bibliography | 第77-83页 |
| Appendix Ⅰ | 第83-88页 |
| Appendix Ⅱ | 第88-89页 |
| Appendix Ⅲ | 第89-90页 |
| Appendix Ⅳ | 第90-91页 |
| Publications | 第91页 |