| Acknowledgements | 第1-6页 |
| Abstract | 第6-7页 |
| 摘要 | 第7-10页 |
| Ⅰ Introduction | 第10-14页 |
| ·Background of the research | 第10-11页 |
| ·Objective and significance of the research | 第11-12页 |
| ·Scope and structure of the thesis | 第12-14页 |
| Ⅱ Literature Review | 第14-27页 |
| ·Review of theories on speech acts | 第14-15页 |
| ·John L.Austin's Speech Act Theory | 第14页 |
| ·J.R.Searle's Indirect Speech Act Theory | 第14-15页 |
| ·Review of politeness theories | 第15-22页 |
| ·Leech and his politeness principle(PP) | 第15-17页 |
| ·Brown and Levinson and their politeness theory | 第17-21页 |
| ·Gu Yueguo and his Chinese politeness maxims | 第21-22页 |
| ·Related empirical studies on teacher politeness in classroom context | 第22-26页 |
| ·Review of related studies abroad | 第23-24页 |
| ·Review of related studies at home | 第24-26页 |
| ·Differences between the present study and the research before | 第26-27页 |
| Ⅲ Research Design | 第27-31页 |
| ·Research questions | 第27页 |
| ·Subjects | 第27-29页 |
| ·Instruments | 第29-30页 |
| ·Data collection | 第30-31页 |
| Ⅳ Data Analysis | 第31-47页 |
| ·Data analysis of classroom observation | 第31-33页 |
| ·Data analysis of questionnaires | 第33-43页 |
| ·Analysis of students' questionnaire | 第33-38页 |
| ·Analysis of teachers' questionnaire | 第38-43页 |
| ·Data analysis of interviews | 第43-47页 |
| ·Analysis of interviews of Chinese English teachers | 第43-44页 |
| ·Analysis of interviews of American English teachers | 第44-47页 |
| Ⅴ Results and Findings | 第47-51页 |
| ·Results of research question one and findings | 第47页 |
| ·Results of research question two & three and findings | 第47-49页 |
| ·Results of research question four and findings | 第49-51页 |
| Ⅵ Conclusion | 第51-56页 |
| ·Implications | 第51-53页 |
| ·Limitations | 第53页 |
| ·Suggestions | 第53-56页 |
| Bibliography | 第56-60页 |
| Appendix Ⅰ | 第60-62页 |
| Appendix Ⅱ | 第62-64页 |
| Appendix Ⅲ | 第64-65页 |
| Papers Published during MA Program | 第65页 |
