| Abstract | 第4-5页 |
| 中文摘要 | 第6-10页 |
| 1. Introduction | 第10-14页 |
| 1.1 Research background | 第10-11页 |
| 1.2 Research significance | 第11-12页 |
| 1.3 Organization of the thesis | 第12-14页 |
| 2. Literature Review | 第14-24页 |
| 2.1 The origin and development of Appraisal Theory | 第14-15页 |
| 2.2 Subsystems under Appraisal Theory | 第15-19页 |
| 2.2.1 Attitude under Appraisal Theory | 第15-17页 |
| 2.2.2 Engagement under Appraisal Theory | 第17-18页 |
| 2.2.3 Graduation under Appraisal Theory | 第18-19页 |
| 2.3 Previous studies on Appraisal Theory | 第19-24页 |
| 2.3.1 Previous studies on Appraisal Theory abroad | 第20-21页 |
| 2.3.2 Previous studies on Appraisal Theory at home | 第21-24页 |
| 3. Research Design | 第24-28页 |
| 3.1. Research questions | 第24页 |
| 3.2 Data collection | 第24-25页 |
| 3.3 Research method | 第25页 |
| 3.4 Research procedure | 第25-28页 |
| 4. Results and Discussions | 第28-52页 |
| 4.1 Frequencies of Appraisal resources in the target essays | 第28页 |
| 4.2 Distributions and discussions of Attitude resources in the target essays | 第28-33页 |
| 4.2.1 Distributions of Attitude resources in the target essays | 第28-29页 |
| 4.2.2 Discussions of Attitude resources in the target essays | 第29-33页 |
| 4.3 Distributions and discussions of Engagement resources in the target essays | 第33-38页 |
| 4.3.1 Distributions of Engagement resources in the target essays | 第33-35页 |
| 4.3.2 Discussions of Engagement resources in the target essays | 第35-38页 |
| 4.4 Distributions and discussions of Graduation resources in the target essays | 第38-40页 |
| 4.4.1 Distributions of Graduation resources in the target essays | 第38页 |
| 4.4.2 Discussions of Graduation resources in the target essays | 第38-40页 |
| 4.5 Top 30 frequently used Appraisal words | 第40-52页 |
| 4.5.1 Analysis of Attitude resources in the top 30 Appraisal words | 第42-47页 |
| 4.5.2 Analysis of Engagement resources in the top 30 Appraisal words | 第47-49页 |
| 4.5.3 Analysis of Graduation resources in the top 30 Appraisal words | 第49-52页 |
| 5. Conclusion | 第52-58页 |
| 5.1 Major findings | 第52-54页 |
| 5.2 Implications of the study | 第54-56页 |
| 5.2.1 Implications for English majors in senior year | 第54-55页 |
| 5.2.2 Implications for teaching writing | 第55-56页 |
| 5.3 Limitations and suggestions for further study | 第56-58页 |
| Bibliography | 第58-62页 |
| Acknowledgements | 第62-64页 |
| Publications | 第64页 |
