| 摘要 | 第4-5页 |
| Abstract | 第5页 |
| Chapter One Introduction | 第11-15页 |
| 1.1 Research Background | 第11-12页 |
| 1.2 Purpose of the Study | 第12-13页 |
| 1.3 Significance of the Study | 第13-14页 |
| 1.4 Structure of the Thesis | 第14-15页 |
| Chapter Two Literature Review | 第15-28页 |
| 2.1 Review of Hedges | 第15-23页 |
| 2.1.1 Definitions of Hedges | 第15-18页 |
| 2.1.2 Classifications of Hedges | 第18-19页 |
| 2.1.3 Practical Applications of Hedges | 第19-23页 |
| 2.2 Review of Weather Forecasts | 第23-26页 |
| 2.2.1 Relevant Studies abroad | 第23-25页 |
| 2.2.2 Relevant Studies at home | 第25-26页 |
| 2.3 Empirical Studies of Hedges with Cooperative Principle | 第26-28页 |
| Chapter Three Theoretical Framework | 第28-37页 |
| 3.1 Cooperative Principle | 第28-31页 |
| 3.1.1 Four Maxims under the Cooperative Principle | 第28-29页 |
| 3.1.2 Hedges and Maxims of Cooperative Principle | 第29-31页 |
| 3.2 Prince et al.'s Model of Hedges | 第31-33页 |
| 3.3 Operating Theoretical Framework of the Study | 第33-37页 |
| Chapter Four Methodology | 第37-43页 |
| 4.1 Research Questions | 第37页 |
| 4.2 Data Collection | 第37-38页 |
| 4.3 Data Categorization | 第38-41页 |
| 4.4 Data Analysis | 第41-43页 |
| Chapter Five Results and Discussion | 第43-65页 |
| 5.1 General Description of Hedges in the Data Collected | 第43-44页 |
| 5.2 Similarities of Hedges in English and Chinese Newspaper Weather Forecasts | 第44-47页 |
| 5.2.1 Similarities in Approximators and Shields | 第44-46页 |
| 5.2.2 Similarities in Plausibility Shields | 第46-47页 |
| 5.3 Differences of Hedges in English and Chinese Newspaper Weather Forecasts | 第47-54页 |
| 5.3.1 Differences in Approximators and Shields | 第48-49页 |
| 5.3.2 Differences in Adaptors | 第49-50页 |
| 5.3.3 Differences in Rounders | 第50-51页 |
| 5.3.4 Differences in Attribution Shields | 第51-53页 |
| 5.3.5 Differences in Top Ten Hedges | 第53-54页 |
| 5.4 Reasons for the Similarities and Differences of Hedges in English and ChineseNewspaper Weather Forecasts | 第54-60页 |
| 5.4.1 Reasons for the Similarities of Hedges | 第54-58页 |
| 5.4.2 Reasons for the Differences of Hedges | 第58-60页 |
| 5.5 Pragmatic Functions of Hedges in English and Chinese Newspaper WeatherForecasts | 第60-65页 |
| 5.5.1 Enhancing Reliability and Appropriateness | 第60-61页 |
| 5.5.2 Protecting Forecasters | 第61-63页 |
| 5.5.3 Showing the Politeness to the Readers | 第63-65页 |
| Chapter Six Conclusion | 第65-68页 |
| 6.1 Major Findings | 第65-67页 |
| 6.2 Limitations of the Present Study | 第67页 |
| 6.3 Suggestions for Future Studies | 第67-68页 |
| References | 第68-73页 |
| Appendix Ⅰ Ten Weather Forecasts from Accuweather | 第73-81页 |
| Appendix Ⅱ Ten Weather Forecasts from Chinese Weather | 第81-85页 |
| Appendix Ⅲ Corpus of English Weather Forecasts | 第85-88页 |
| Appendix Ⅳ Corpus of Chinese Weather Forecasts | 第88-90页 |
| 作者简介 | 第90-91页 |
| Acknowledgements | 第91页 |
