| 摘要 | 第1-6页 |
| Abstract | 第6-8页 |
| Contents | 第8-11页 |
| Introduction | 第11-15页 |
| Chapter 1 Literature Review | 第15-37页 |
| ·Different Perspectives on the Study of Vague Language | 第15-24页 |
| ·Studies from the Philosophical Perspective | 第16-18页 |
| ·Studies from the Semantic Perspective | 第18-20页 |
| ·Studies from the Pragmatic Perspective | 第20-24页 |
| ·Research on News Reporting | 第24-27页 |
| ·Definitions of News Reporting | 第24-26页 |
| ·Classifications of News Reporting | 第26-27页 |
| ·Reporting Principles for News Reporting | 第27页 |
| ·Relevant Studies of Vague Language in News Reporting | 第27-30页 |
| ·Theoretical Framework of the Study | 第30-37页 |
| ·A General Introduction to Adaptation Theory | 第30-32页 |
| ·The Three Properties of Language | 第32-34页 |
| ·Four Angles of Investigation | 第34-37页 |
| Chapter 2 Vagueness in News Reporting | 第37-53页 |
| ·The Linguistic Realization Devices of Vague Language in NewsReporting | 第37-43页 |
| ·Appromators | 第38-41页 |
| ·Shields | 第41-43页 |
| ·The Use of Hedges in Different Types of News | 第43-53页 |
| ·Hedges in Political News | 第44-45页 |
| ·Hedges in Economic News | 第45-48页 |
| ·Hedges in Culture,Education and Health News | 第48-49页 |
| ·Hedges in Social News | 第49-51页 |
| ·Hedges in Sports News | 第51-53页 |
| Chapter 3 Data Collection and Results Analysis | 第53-65页 |
| ·Data Collection | 第53-54页 |
| ·Research Methodology | 第54页 |
| ·Results Analysis | 第54-65页 |
| ·The Frequency of Hedges in Different News | 第54-61页 |
| ·Results Analysis | 第61-65页 |
| Chapter 4 Pragmatic Functions of Hedges in News Reporting | 第65-88页 |
| ·Adaptation to the Reporting Principles | 第66-72页 |
| ·Adaptation to the Physical World | 第72-73页 |
| ·Adaptation to Readers'Mental World | 第73-76页 |
| ·Adaptation to the Social World | 第76-83页 |
| ·Adaptation to Politeness Motivation | 第83-88页 |
| Conclusion | 第88-91页 |
| Bibliography | 第91-97页 |
| Acknowledgement | 第97-98页 |
| 攻读硕士学位期间主要的研究成果目录 | 第98页 |
