| Abstract | 第3-4页 |
| 摘要 | 第5-6页 |
| Contents | 第6-8页 |
| Chapter One Introduction | 第8-12页 |
| 1.1 Research Background | 第8-10页 |
| 1.2 Purpose and Significance of This Research | 第10页 |
| 1.3 Framework of the Thesis | 第10-12页 |
| Chapter Two Literature Review | 第12-26页 |
| 2.1 Definition of Ambiguity and Tolerance of Ambiguity (TA) | 第12-13页 |
| 2.2 Classifications of Ambiguity | 第13-14页 |
| 2.3 Assessment of Ambiguity | 第14-16页 |
| 2.4 Ambiguity in Second Language Acquisition (SLA) | 第16-18页 |
| 2.4.1 Vocabulary retention | 第16页 |
| 2.4.2 Syntactic ambiguity | 第16-17页 |
| 2.4.3 Grammar ambiguity | 第17-18页 |
| 2.4.4 Cultural ambiguity | 第18页 |
| 2.5 Empirical Studies of TA | 第18-26页 |
| 2.5.1 Empirical studies on relationship between TA and English proficiency | 第18-22页 |
| 2.5.2 Differences in TA between male and female students | 第22-24页 |
| 2.5.3 Differences in TA between science and art students | 第24-26页 |
| Chapter Three Research Methodology | 第26-30页 |
| 3.1 Research questions | 第26页 |
| 3.2 Subjects | 第26-27页 |
| 3.3 Instruments | 第27-29页 |
| 3.3.1 Questionnaire | 第27-28页 |
| 3.3.2 English proficiency test | 第28页 |
| 3.3.3 Interview | 第28-29页 |
| 3.4 Data Collection and Analysis | 第29-30页 |
| Chapter Four Results and Discussion | 第30-46页 |
| 4.1 The general situation of TA of senior high students | 第30-33页 |
| 4.2 Relationship of TA to English proficiency | 第33-38页 |
| 4.3 Differences in TA between male and female students | 第38-42页 |
| 4.3.1 Overall differences in TA between male and female students | 第38-40页 |
| 4.3.2 Differences in TA between male and female students by items | 第40-42页 |
| 4.4 Differences in TA between science and art students | 第42-46页 |
| 4.4.1 Overall differences in TA between science and art students | 第42-43页 |
| 4.4.2 Differences in TA between science and art students by item | 第43-46页 |
| Chapter Five Conclusion and Implications | 第46-51页 |
| 5.1 Summary of the Major findings | 第46-47页 |
| 5.2 Pedagogical implications for English teaching and learning | 第47-49页 |
| 5.3 Limitations of the study and recommendations for future research | 第49-51页 |
| Bibliography | 第51-56页 |
| Appendix | 第56-57页 |
| Acknowledgements | 第57-58页 |
| 在读期间公开发表论文（著）及科研情况 | 第58页 |
