| 摘要 | 第4-5页 |
| Abstract | 第5-6页 |
| Chapter 1 Introduction | 第9-13页 |
| 1.1 Background of the Study | 第9-11页 |
| 1.2 Purpose of the Study | 第11页 |
| 1.3 Organization of the Thesis | 第11-13页 |
| Chapter 2 Literature Review | 第13-23页 |
| 2.1 Fuzzy Language | 第13-20页 |
| 2.1.1 Definitions of Fuzzy Language | 第13-15页 |
| 2.1.2 Classifications of Fuzzy Language | 第15-16页 |
| 2.1.3 Previous Researches on Fuzzy Language at Home and Abroad | 第16-20页 |
| 2.2 Presidential Inaugural Addresses | 第20-23页 |
| 2.2.1 Features of PIAs | 第20-21页 |
| 2.2.2 Previous Studies on PIAs | 第21-23页 |
| Chapter 3 Theoretical Framework | 第23-32页 |
| 3.1 A Brief Introduction of Adaptation Theory | 第23-25页 |
| 3.2 Aspects of Adaptability | 第25-27页 |
| 3.2.1 Contextual Correlates of Adaptability | 第25-26页 |
| 3.2.2 Structural Objects of Adaptability | 第26页 |
| 3.2.3 Dynamics of Adaptability | 第26-27页 |
| 3.2.4 Salience of the Adaptability | 第27页 |
| 3.3 Contextual Correlates of Adaptability | 第27-32页 |
| 3.3.1 Language Users: Utterer and Interpreter | 第28-29页 |
| 3.3.2 The Mental World | 第29-30页 |
| 3.3.3 The Social World | 第30-31页 |
| 3.3.4 The Physical World | 第31-32页 |
| Chapter 4 Contextual Adaptability of Fuzzy Language in APIA | 第32-58页 |
| 4.1 Features of fuzzy language in APIAs | 第33-39页 |
| 4.1.1 Classifications of fuzzy language in APIAs | 第33-37页 |
| 4.1.2 Frequencies of fuzzy language in APIAs | 第37-39页 |
| 4.2 Fuzzy Language Adapted to the Mental World | 第39-47页 |
| 4.2.1 Adapted to Emotions | 第40-43页 |
| 4.2.2 Adapted to Intentions or motivations | 第43-47页 |
| 4.3 Fuzzy Language Adapted to the Social World | 第47-54页 |
| 4.3.1 Adapted to Social Settings | 第48-51页 |
| 4.3.2 Adapted to Social Norms and Values | 第51-54页 |
| 4.4 Fuzzy Language Adapted to the Physical World | 第54-58页 |
| 4.4.1 Adapted to Time | 第54-56页 |
| 4.4.2 Adapted to Impreciseness of the Content | 第56-58页 |
| Chapter 5 Functions of Fuzzy Language in APIAs | 第58-67页 |
| 5.1 Being Flexible | 第58-61页 |
| 5.2 Self-protecting | 第61-62页 |
| 5.3 Drawing Audience Attention | 第62-64页 |
| 5.4 Achieving Politeness | 第64-67页 |
| Chapter 6 Conclusion | 第67-71页 |
| 6.1 Major Findings | 第67-69页 |
| 6.2 Limitations and Suggestions for Future Study | 第69-71页 |
| Reference | 第71-75页 |
| Paper Published during Study | 第75-77页 |
| Acknowledgements | 第77页 |
