| Acknowledgements | 第1-6页 |
| Abstract | 第6-8页 |
| 摘要 | 第8-12页 |
| Chapter One Introduction | 第12-15页 |
| ·Background of the Study | 第12-13页 |
| ·Purposes and Methodology of the Study | 第13-14页 |
| ·Significance of the Study | 第14页 |
| ·Organization of the Study | 第14-15页 |
| Chapter Two Literature Review | 第15-35页 |
| ·Pragmatic Enrichment | 第15-18页 |
| ·Studies Abroad on Contextual Meanings of Lexicons | 第18-28页 |
| ·Studies from Semantic Perspective | 第18-21页 |
| ·Studies from Pragmatic Perspective | 第21-28页 |
| ·Studies at Home on Contextual Meanings of Lexicons | 第28-30页 |
| ·Previous Researches of News Headlines | 第30-33页 |
| ·Summary | 第33-35页 |
| Chapter Three Theoretic Framework | 第35-49页 |
| ·Relevance Theory | 第35-38页 |
| ·Principles of Relevance and Ostension-Inferential Model | 第36-37页 |
| ·Deficiencies of Relevance Theory | 第37-38页 |
| ·Adaptation Theory | 第38-43页 |
| ·Four Aspects of Investigation | 第39-43页 |
| ·Deficiencies of Adaptation Theory | 第43页 |
| ·Adaptation-Relevance Model | 第43-48页 |
| ·Ran’s Adaptation-Relevance Model | 第43-46页 |
| ·The Revised Adaptation-Relevance Model | 第46-48页 |
| ·Summary | 第48-49页 |
| Chapter Four Lexical Pragmatic Enrichment in News Headlines | 第49-68页 |
| ·Data Collection | 第49页 |
| ·The Analysis of Syntactic Features of News Headlines | 第49-54页 |
| ·The Sentential Structure in News Headlines | 第50-52页 |
| ·The Non-sentential Structure in News Headlines | 第52-53页 |
| ·Combinative Usages in News Headlines | 第53-54页 |
| ·The Operation of Lexical Pragmatic Enrichment in News Headlines | 第54-66页 |
| ·Lexical Narrowing | 第55-60页 |
| ·Lexical Broadening | 第60-66页 |
| ·Summary | 第66-68页 |
| Chapter Five Conclusion | 第68-71页 |
| ·Major Findings | 第68-69页 |
| ·Limitations and Suggestions for Further Studies | 第69-71页 |
| References | 第71-76页 |
| Appendix News Headlines | 第76-78页 |
| Publications | 第78页 |
