| 摘要 | 第1-3页 |
| Abstract | 第3-5页 |
| 中文文摘 | 第5-7页 |
| Synopsis | 第7-11页 |
| Chapter One Introduction | 第11-17页 |
| ·Background | 第11-13页 |
| ·Research Orientation and Its Significance | 第13-15页 |
| ·Methodology | 第15页 |
| ·Structure of the Thesis | 第15-17页 |
| Chapter Two Review of Different Approaches to Vagueness | 第17-24页 |
| ·The Semantic Approach | 第17-19页 |
| ·The Cognitive Approach | 第19-20页 |
| ·The Pragmatic Approach | 第20-22页 |
| ·A Working Definition of Vagueness | 第22-24页 |
| Chapter Three A Pragmatic Framework for Vagueness | 第24-30页 |
| ·Grice's Theory of Cooperative Principle and Vagueness | 第24-26页 |
| ·Adaptation Theory and Vagueness | 第26-27页 |
| ·Relevance Theory and Vagueness | 第27-28页 |
| ·Chinese Scholars' Work on Vagueness in English News Reports | 第28-30页 |
| Chapter Four Vagueness in English News Reports | 第30-37页 |
| ·Types and Characteristics of News | 第30-31页 |
| ·Reasons for the Employment of Vagueness in News Reports | 第31-32页 |
| ·Types of Vagueness in English News Reports | 第32-36页 |
| ·Summary | 第36-37页 |
| Chapter Five Analysis of Vagueness in English News Reports from a Pragmatic Perspective | 第37-52页 |
| ·From the Perspective of Flouting Cooperative Principle | 第37-39页 |
| ·From the Perspective of Adaptation to the Mental,Physical and Social World | 第39-43页 |
| ·From the Perspective of Relevance Inference | 第43-45页 |
| ·Pragmatic Functions of Vagueness in English News Reports | 第45-52页 |
| ·Economy | 第45-46页 |
| ·Expressivity | 第46-47页 |
| ·Self-protective | 第47-48页 |
| ·Deliberately withholding information | 第48-49页 |
| ·Reducing the negative influence | 第49-50页 |
| ·Eliciting credibility and credence | 第50页 |
| ·Summary | 第50-52页 |
| Chapter Six Conclusion | 第52-54页 |
| ·Major Findings and Implication of the Study | 第52-53页 |
| ·Limitations and Suggestions for the Future Study | 第53-54页 |
| References | 第54-57页 |
| 致谢 | 第57页 |
