| Acknowledgements | 第4-5页 |
| Abstract | 第5-7页 |
| 摘要 | 第8-14页 |
| Chapter One Introduction | 第14-18页 |
| 1.1 Background of the study | 第14-16页 |
| 1.2 Aims and significance of the study | 第16-17页 |
| 1.3 Overall structure of the thesis | 第17-18页 |
| Chapter Two Literature Review | 第18-31页 |
| 2.1 Key terms of lexical quality | 第18-22页 |
| 2.1.1 Definition of lexical quality | 第18-19页 |
| 2.1.2 Definition of word-level skills | 第19-22页 |
| 2.1.2.1 Definition and measures of phonological skill | 第19-20页 |
| 2.1.2.2 Definition and measures of orthographic skill | 第20-21页 |
| 2.1.2.3 Definition and measures of semantic skill | 第21-22页 |
| 2.2 Theoretical foundations in this Study | 第22-26页 |
| 2.2.1 Lexical quality hypothesis | 第22-26页 |
| 2.2.2 Three-phase model of listening comprehension | 第26页 |
| 2.3 Studies on Lexical Quality and Listening Comprehension | 第26-31页 |
| 2.3.1 Previous studies abroad | 第27-29页 |
| 2.3.2 Previous studies at home | 第29-31页 |
| Chapter Three Research Methodology | 第31-38页 |
| 3.1 Research questions | 第31页 |
| 3.2 Research design | 第31-38页 |
| 3.2.1 Participants | 第31-32页 |
| 3.2.2 Instruments | 第32-36页 |
| 3.2.2.1 Word-level skills test | 第32-35页 |
| 3.2.2.2 Listening comprehension test | 第35-36页 |
| 3.2.3 Data collection | 第36-37页 |
| 3.2.4 Data analysis | 第37-38页 |
| Chapter Four Results and Discussion | 第38-54页 |
| 4.1 Present situation of high school students' word-level skills and listening comprehension performance | 第38-42页 |
| 4.1.1 Phonological skill | 第39-40页 |
| 4.1.2 Orthographic skill | 第40-41页 |
| 4.1.3 Semantic skill | 第41-42页 |
| 4.2 The relationship between high school students' word-level skills and listening comprehension performance | 第42-49页 |
| 4.2.1 The correlation between word-level skills and listening comprehension | 第42-45页 |
| 4.2.2 The contribution of word-level skills to listening comprehension | 第45-49页 |
| 4.3 The difference of word-level skills between skilled and less skilled listeners | 第49-54页 |
| 4.3.1 The difference in phonological skill | 第50-51页 |
| 4.3.2 The difference in orthographic skill | 第51-52页 |
| 4.3.3 The difference in semantic skill | 第52-54页 |
| Chapter Five Conclusions | 第54-58页 |
| 5.1 Findings | 第54-55页 |
| 5.2 Implications | 第55-56页 |
| 5.3 Limitations and suggestions | 第56-58页 |
| References | 第58-63页 |
| Appendix Ⅰ | 第63-70页 |
| Appendix Ⅱ | 第70-71页 |
| Appendix Ⅲ | 第71-73页 |
| Appendix Ⅳ | 第73-75页 |
