| 摘要 | 第4-5页 |
| Abstract | 第5-6页 |
| Abbreviations | 第9-10页 |
| Chapter One Introduction | 第10-13页 |
| 1.1 Background of the study | 第10-11页 |
| 1.2 Significance of the study | 第11-12页 |
| 1.3 Structure of the thesis | 第12-13页 |
| Chapter Two Literature review | 第13-33页 |
| 2.1 Multimodality | 第13-19页 |
| 2.1.1 A brief introduction to multimodality | 第13页 |
| 2.1.2 Some concepts clarified | 第13-16页 |
| 2.1.2.1 Mode and medium | 第14-15页 |
| 2.1.2.2 Modality | 第15-16页 |
| 2.1.3 Interrelations among modes | 第16-18页 |
| 2.1.4 Systemic-functional theory (SFT) as the theoretical basis | 第18-19页 |
| 2.1.4.1 Mode as a social semiotic and meaning potential | 第18页 |
| 2.1.4.2 Metafunctions of modes | 第18-19页 |
| 2.2 Sociocultural theory (SCT) and the ecological view | 第19-27页 |
| 2.2.1 Mind development | 第19-20页 |
| 2.2.2 Mediation | 第20-22页 |
| 2.2.3 The metaphor of ecology | 第22-23页 |
| 2.2.4 Affordances instead of input | 第23页 |
| 2.2.5 Semiotic resources in language classrooms | 第23-26页 |
| 2.2.6 L2 classroom interaction from SCT perspectives | 第26-27页 |
| 2.3 SFT and SCT combined | 第27-28页 |
| 2.4 Review of studies concerning the multimodal approach to classes | 第28-33页 |
| 2.4.1 Studies abroad | 第28-30页 |
| 2.4.2 Domestic studies | 第30-33页 |
| Chapter Three Research methodology | 第33-37页 |
| 3.1 The nature and overview of the research | 第33页 |
| 3.2 Research purpose and research questions | 第33-34页 |
| 3.3 Data sources and transcription | 第34-35页 |
| 3.4 Data analytical framework | 第35-37页 |
| Chapter Four Data analysis | 第37-74页 |
| 4.1 Multimodal analysis of T-S interactions in teaching vocabulary | 第37-51页 |
| 4.1.1 Displaying the new word "square" (from Ms. Yang's class) | 第37-44页 |
| 4.1.2 Distinguishing "growing older" and "growing up" (from Mr. Feng's class) | 第44-51页 |
| 4.2 Multimodal analysis of T-S interactions in teaching grammar | 第51-62页 |
| 4.2.1 Introducing the comparative degree (from Ms. Cao's class) | 第51-57页 |
| 4.2.2 Introducing the superlative degree (from Ms. Cao's class) | 第57-62页 |
| 4.3 Multimodal analysis of T-S interactions in constructing ideological concept | 第62-73页 |
| 4.3.1 Seeking "what is life" (from Ms. Yang's class) | 第62-68页 |
| 4.3.2 Negotiating the connotation of "beauty" (from Ms. Cao's class) | 第68-73页 |
| 4.4 Summary | 第73-74页 |
| Chapter Five Conclusion | 第74-78页 |
| 5.1 Major findings | 第74-75页 |
| 5.2 Implications for teaching and academic researching | 第75-76页 |
| 5.3 Limitations and prospective studies | 第76-78页 |
| Appendix | 第78-79页 |
| Bibliography | 第79-85页 |
| Acknowledgements | 第85页 |
