| ACKNOWLEDGEMENT | 第1-6页 |
| ABSTRACT | 第6-8页 |
| 摘要 | 第8-11页 |
| Chapter One INTRODUCTION | 第11-15页 |
| ·Research Background | 第11-12页 |
| ·Necessity of This Study | 第12-13页 |
| ·Purpose of This Study and Research Questions | 第13-14页 |
| ·A Framework of This Thesis | 第14-15页 |
| Chapter Two LITERATURE REVIEW | 第15-30页 |
| ·Multimodality/Multimodal Discourse Analysis/Multiliteracies | 第15-17页 |
| ·Halliday’s Three Metafuctions of Language and the Semiotic Perspective | 第17-19页 |
| ·Kress and Van Leeuwen’s Visual Grammar | 第19-22页 |
| ·Royce’s Framework of Intersemiotic Complementarity | 第22-27页 |
| ·A Review of Previous Studies on Textbook Discourses | 第27-30页 |
| ·Studies of images in textbook discourses | 第27-28页 |
| ·Multimodal discourse analysis on textbooks | 第28-30页 |
| Chapter Three METHODLOGY IN PRESENT STUDY | 第30-35页 |
| ·Introduction | 第30页 |
| ·The Corpus in This Study | 第30-31页 |
| ·Methodology: Multimodal Discourse Analysis | 第31-35页 |
| Chapter Four RESULTS AND DISCUSSIONS | 第35-55页 |
| ·Introduction | 第35页 |
| ·The Results and Discussions of the Representational Meaning of the Images | 第35-47页 |
| ·Types of images | 第35-45页 |
| ·Four processes in narrative images | 第38-41页 |
| ·Three processes in concept images | 第41-45页 |
| ·Results of ideational intersemiotic complementarity | 第45-47页 |
| ·The Results and Discussions of the Interpersonal Meaning of Images | 第47-50页 |
| ·Introduction | 第47页 |
| ·Analysis of the visual modality | 第47-49页 |
| ·An analysis of “Mood”in textbook images | 第49-50页 |
| ·Results and Discussions of the Compositional Meaning of Images | 第50-53页 |
| ·Introduction | 第50-51页 |
| ·The results of information value of the images in three textbooks | 第51-53页 |
| ·Possible Reasons for the Differences | 第53-55页 |
| Chapter Five CONCLUSION | 第55-59页 |
| ·Answers to the Research Questions | 第55-57页 |
| ·Pedagogical Implications of This Study | 第57-58页 |
| ·Limitations in the Present Study | 第58页 |
| ·Summary | 第58-59页 |
| REFERENCES | 第59-62页 |
