| ABSTRACT | 第1-5页 |
| 摘要 | 第5-10页 |
| Chapter Ⅰ Introduction | 第10-15页 |
| ·Need for the Study | 第10-11页 |
| ·Objectives of the Study | 第11-13页 |
| ·Organization of the Thesis | 第13-15页 |
| Chapter Ⅱ Literature Review | 第15-35页 |
| ·Vague Language | 第15-26页 |
| ·Reasons for the Existence of Vague Language | 第15-17页 |
| ·Working Definition of Vague Language | 第17-21页 |
| ·Working Classification of Vague Language | 第21-26页 |
| ·Distinction of Vagueness and Fuzziness, Generality, Ambiguity | 第26-29页 |
| ·Vagueness and Fuzziness | 第26-27页 |
| ·Vagueness and Generality | 第27页 |
| ·Vagueness and Ambiguity | 第27-28页 |
| ·Treatment of the Term "Vagueness" in This Thesis | 第28-29页 |
| ·Vague Language in Political Discourse | 第29-32页 |
| ·Political Language | 第29-30页 |
| ·Political Discourse | 第30-31页 |
| ·Vagueness in Political Discourse | 第31-32页 |
| ·Previous Researches on Vague Language | 第32-35页 |
| ·Researches Abroad | 第32-33页 |
| ·Researches at Home | 第33-35页 |
| Chapter Ⅲ Theoretical Framework | 第35-50页 |
| ·Overview of Verschueren's Linguistic Adaptation Theory | 第35-38页 |
| ·Origin of Adaptation Theory | 第35-37页 |
| ·Development of Adaptation Theory | 第37-38页 |
| ·Making Choices | 第38-39页 |
| ·Three Properties of Language:Variability, Negotiability, and Adaptability | 第39-40页 |
| ·Variability | 第39页 |
| ·Negotiability | 第39-40页 |
| ·Adaptability | 第40页 |
| ·Four Angles of Adaptability | 第40-50页 |
| ·Contextual Correlates of Adaptability | 第40-44页 |
| ·Structural Objects of Adaptability | 第44-45页 |
| ·Dynamics of Adaptability | 第45-47页 |
| ·Salience of the Adaptation Processes | 第47-48页 |
| ·Summary | 第48-50页 |
| Chapter Ⅳ Research Methodology and Analysis of Vague Language inEnglish Political Discourse | 第50-78页 |
| ·Research Methodology | 第50-51页 |
| ·Research Methods | 第50页 |
| ·Data Collection | 第50-51页 |
| ·Pragmatic Functions of Vague Language in English Political Language | 第51-57页 |
| ·Creating Harmonious Atmosphere &Achieving Politeness | 第52-54页 |
| ·Shedding off Responsibilities | 第54-55页 |
| ·Self-Protecting | 第55-56页 |
| ·Being Flexible and Tactful | 第56-57页 |
| ·Summary | 第57页 |
| ·Linguistic Realization of Vagueness in English Political Discourse | 第57-70页 |
| ·Vagueness at Lexical Level | 第58-65页 |
| ·Vagueness at Syntactic Level | 第65-68页 |
| ·Vagueness at Discourse Level | 第68-70页 |
| ·Realization by Contextual Correlates of Adaptation in English Political Discourse | 第70-76页 |
| ·Adaptability to Mental World | 第71-72页 |
| ·Adaptability to Social World | 第72-74页 |
| ·Adaptability to Physical World | 第74-76页 |
| ·Summary | 第76-78页 |
| Chapter Ⅴ Conclusion | 第78-81页 |
| ·Major Findings and Implications of the Study | 第78-79页 |
| ·Limitations and Suggestions for Further Research | 第79-81页 |
| REFERENCES | 第81-85页 |
| ACKNOWLEDGEMENTS | 第85-86页 |
