| Acknowledgements | 第5-6页 |
| 内容摘要 | 第6-8页 |
| ABSTRACT | 第8-10页 |
| Chapter 1 Introduction | 第14-18页 |
| 1.1 Background of the Study | 第14-16页 |
| 1.2 Significance of the Study | 第16-17页 |
| 1.3 Organization of the Thesis | 第17-18页 |
| Chapter 2 Literature Review | 第18-36页 |
| 2.1 Definition of Key Terms | 第18-21页 |
| 2.1.1 Age of Acquisition | 第18-19页 |
| 2.1.2 Age Effect and CP Effect | 第19-20页 |
| 2.1.3 Second Language Environment and Foreign Language Environment | 第20-21页 |
| 2.2 Ao A Effects on Second and Foreign Language Segmental Phonemes | 第21-24页 |
| 2.2.1 Ao A Effects on Second Language Segmental Phonemes | 第22-23页 |
| 2.2.2 Ao A Effects on Foreign Language Segmental Phonemes | 第23-24页 |
| 2.3 Prosody in Language Acquisition | 第24-28页 |
| 2.3.1 Foreign Language Prosody | 第24-26页 |
| 2.3.2 Chinese EFL learners’ Suprasegmental Features | 第26-28页 |
| 2.4 Ao A Effects on Second and Foreign Language Suprasegmental Features | 第28-35页 |
| 2.4.1 Ao A Effects on Language Suprasegmental Features in Second Language.Environment | 第28-31页 |
| 2.4.2 Ao A Effects on Language Suprasegmental Features in Foreign Language.Environment | 第31-35页 |
| 2.5 Summary | 第35-36页 |
| Chapter 3 Methodology | 第36-49页 |
| 3.1 To BI | 第36-39页 |
| 3.1.1 To BI Labeling System | 第36-38页 |
| 3.1.2 Superiority and Limitation of To BI Labeling | 第38-39页 |
| 3.2 Research Design | 第39-48页 |
| 3.2.1 Research Questions | 第39页 |
| 3.2.2 Hypotheses and Predictions | 第39-40页 |
| 3.2.3 Participants | 第40-41页 |
| 3.2.4 Data Collection | 第41-42页 |
| 3.2.4.1 Reading Materials | 第41-42页 |
| 3.2.4.2 Recording Procedures | 第42页 |
| 3.2.5 Data Labeling | 第42-47页 |
| 3.2.5.1 Theoretical Basis of To BI | 第42-46页 |
| 3.2.5.2 Labeling Procedures | 第46-47页 |
| 3.2.6 Data Analysis | 第47-48页 |
| 3.3 Summary | 第48-49页 |
| Chapter 4 Results | 第49-65页 |
| 4.1 Correlations between Ao A and Prosodic Outcomes | 第49-52页 |
| 4.2 ANOVA Results on Speech rate and Articulation rate | 第52-53页 |
| 4.3 ANOVA Results on Phonological Categories | 第53-63页 |
| 4.3.1 Analysis of Total Number of Pitch Accents, Intermediate Phrases, andIntonation Phrases | 第54-56页 |
| 4.3.2 Analysis of Types of Pitch Accents, Phrase Accents, and Boundary Tones | 第56-59页 |
| 4.3.3 Analysis of Dominant Prosodic Patterns | 第59-63页 |
| 4.4. Summary | 第63-65页 |
| Chapter 5 Discussion | 第65-75页 |
| 5.1 The Correlation between Ao A and All the Prosodic Categories | 第65-66页 |
| 5.2 Ao A Group Differences on Speech and Articulation Rate | 第66-67页 |
| 5.3 Ao A Effects on Prosodic Features | 第67-71页 |
| 5.3.1 Ao A Effects on Prosodic Groupings | 第67-68页 |
| 5.3.2 Ao A Effects on Total Pitch Accents and Different Accent and Tone Types | 第68-70页 |
| 5.3.3 Ao A Effects on Dominant Prosodic Patterns | 第70-71页 |
| 5.4 Possible Explanations | 第71-75页 |
| Chapter 6 Conclusion | 第75-79页 |
| 6.1 Major Findings | 第75-76页 |
| 6.2 Implications | 第76-77页 |
| 6.3 Limitations and Suggestions | 第77-79页 |
| References | 第79-89页 |
| Appendix | 第89页 |
