| 内容提要 | 第4-5页 |
| Synopsis | 第5-6页 |
| 摘要 | 第7-11页 |
| Abstract | 第11-20页 |
| Introduction | 第20-24页 |
| Chapter One Literature Review | 第24-36页 |
| 1.1 Definitions of Environmental Discourses | 第24-28页 |
| 1.2 Components and Instrumentalities of Environmental Discourses | 第28-30页 |
| 1.3 Previous Studies of Environmental Discourses | 第30-35页 |
| 1.3.1 Previous Studies of Environmental Discourses Abroad | 第30-33页 |
| 1.3.2 Previous Study of Environmental Discourses at Home | 第33-35页 |
| 1.4 Summary | 第35-36页 |
| Chapter Two Theoretical Framework and Research Methodology | 第36-56页 |
| 2.1 Theoretical Framework: Appraisal Theory | 第36-48页 |
| 2.1.1 An Overview of Appraisal Theory | 第36-41页 |
| 2.1.2 The Attitude System | 第41-48页 |
| 2.2 Research Methodology | 第48-56页 |
| 2.2.1 Research Questions | 第48-49页 |
| 2.2.2 Data Collection | 第49-50页 |
| 2.2.3 Research Instrument | 第50-53页 |
| 2.2.4 Research Procedures | 第53-56页 |
| Chapter Three A Comparative Study of Attitudinal Resources between China Daily and USA Today | 第56-90页 |
| 3.1 A Comparative Study of the Distribution of Attitudinal Resources | 第56-60页 |
| 3.1.1 Similarities and Differences in the General Distribution of Attitudinal Resources | 第56-58页 |
| 3.1.2 Similarities and Differences in the Distribution of Polarity and Explicitness | 第58-60页 |
| 3.2 A Comparative Study of the Employment of Attitudinal Resources | 第60-82页 |
| 3.2.1 Similarities and Differences in the Employment of Affect | 第60-66页 |
| 3.2.2 Similarities and Differences in the Employment of Judgment | 第66-73页 |
| 3.2.3 Similarities and Differences in the Employment of Appreciation | 第73-76页 |
| 3.2.4 Similarities and Differences in the Polarity and Explicitness of Attitudinal Resources | 第76-82页 |
| 3.3 The Functions of the Attitudinal Resources | 第82-90页 |
| 3.3.1 Highlighting the Impacts of the Arctic Climate Change | 第82-85页 |
| 3.3.2 Indicating the Opportunities Brought by the Arctic Climate Change | 第85-87页 |
| 3.3.3 Evaluating the Actions of Governments | 第87-90页 |
| Conclusion | 第90-94页 |
| References | 第94-98页 |
| Appendix Ⅰ Sample Discourses Selected from China Daily and USA Today | 第98-102页 |
| Appendix Ⅱ Typical Examples Used in the Comparative Study | 第102-112页 |
| 作者简介及科研成果 | 第112-114页 |
| Acknowledgements | 第114页 |
