| Chapter 1 Introduction | 第1-12页 |
| Chapter 2 Grammatical Metaphor (GM) Theory | 第12-25页 |
| ·Halliday's initial treatment of GM | 第12-18页 |
| ·Other research relevant to GM | 第18-20页 |
| ·Halliday's new development of GM | 第20-22页 |
| ·Applied studies on GM----Unpacking metaphorical texts | 第22-25页 |
| Chapter 3 News Discourse | 第25-30页 |
| ·General features of news discourse | 第25-28页 |
| ·Previous studies on news discourse | 第28-30页 |
| Chapter 4 Data-based Contrastive Analyses and Summary of Findings | 第30-52页 |
| ·Data collection and procedure | 第30页 |
| ·Analyses of GM in both English and Chinese news discourse | 第30-37页 |
| ·Summary of similarities of GM in English and Chinese news discourse | 第32-35页 |
| ·Brief Summary of the differences of GM in news discourse of the two languages | 第35-37页 |
| ·Comparison with GM in scientific discourse | 第37页 |
| ·Findings of data analyses: Demonstration of GM's functions | 第37-50页 |
| ·Referring function | 第38-40页 |
| ·Expanding function | 第40-43页 |
| ·Condensing function | 第43-44页 |
| ·Discursive function | 第44-47页 |
| ·Ideological function | 第47-49页 |
| ·Optimalizing function | 第49-50页 |
| ·Implications of our study | 第50-52页 |
| Chapter 5 Summary and Conclusions | 第52-54页 |
| Bibliography | 第54-57页 |
| Appendices | 第57-73页 |
