| Acknowledgements | 第1-6页 |
| Abstract | 第6-8页 |
| 摘要 | 第8-11页 |
| Chapter One Introduction | 第11-19页 |
| ·Background of the Study | 第11-13页 |
| ·Necessity and Significance of the Study | 第13-18页 |
| ·Necessity of the Study | 第13-15页 |
| ·Significance of the Study | 第15-18页 |
| ·Structure of the Thesis | 第18-19页 |
| Chapter Two Literature Review | 第19-25页 |
| ·Foreign Research Actuality | 第19-22页 |
| ·Concept of Third Language Acquisition | 第19-20页 |
| ·Impact of the Existing Language System on Trilingual Acquisition | 第20页 |
| ·Studies on Social Factors in Third Language Acquisition | 第20页 |
| ·Comparison of SLA and TLA | 第20-22页 |
| ·Domestic Researches | 第22-23页 |
| ·Learner’s Emotional Factors | 第23页 |
| ·Content of Third Language Acquisition Research | 第23页 |
| ·Achievements and Problems of Domestic and Foreign Research | 第23-25页 |
| Chapter Three Research Design | 第25-30页 |
| ·Research Questions | 第25页 |
| ·Research Subjects | 第25-27页 |
| ·Research Instruments | 第27-28页 |
| ·Questionnaire | 第27页 |
| ·Interviews | 第27-28页 |
| ·Written Exam | 第28页 |
| ·Research Procedures | 第28-29页 |
| ·Pre-survey | 第28页 |
| ·Study in the Second Phase | 第28-29页 |
| ·Study in the Third Phase | 第29页 |
| ·Data Analysis | 第29-30页 |
| Chapter Four Results and Discussion | 第30-54页 |
| ·Results in Subjective Factors of Learners | 第30-36页 |
| ·Motivation in English Learning | 第30-31页 |
| ·Attitudes towards the Culture of English Language | 第31-34页 |
| ·Strategies for Learning English | 第34-36页 |
| ·Results in Objective Factors of Third Language Acquisition | 第36-51页 |
| ·Course Objectives for Senior High School English | 第38-40页 |
| ·Model of Third Language Acquisition | 第40-41页 |
| ·Textbooks | 第41-43页 |
| ·Teacher’s Factors | 第43页 |
| ·Transfer of Chinese to the Third Language Acquisition | 第43-47页 |
| ·Medium Language Mainly Chinese | 第47-48页 |
| ·Relations between Uyghur and English | 第48-50页 |
| ·Resources | 第50-51页 |
| ·Suggestions | 第51-54页 |
| ·Suggestions for the Subjective Factors | 第51-52页 |
| ·Suggestions for Objective factors | 第52-54页 |
| Chapter Five Conclusion | 第54-56页 |
| ·Major Findings | 第54-55页 |
| ·Limitations and Some Suggestions for Future Studies | 第55-56页 |
| References | 第56-59页 |
| Appendix One | 第59-71页 |
| Appendix Two | 第71-72页 |
| Appendix Three | 第72-74页 |
| About the Author | 第74页 |
