| Acknowledgements | 第1-7页 |
| Abstract in English | 第7-9页 |
| Abstract in Chinese | 第9-10页 |
| Preface | 第10-17页 |
| Chapter One Introduction | 第17-19页 |
| ·Significance of the study | 第17-18页 |
| ·General organization of the thesis | 第18-19页 |
| Chapter Two Literature review | 第19-39页 |
| ·Speech act theory | 第19-24页 |
| ·Austin's contributions to speech act theory | 第20-21页 |
| ·Searle's development on speech act theory | 第21-24页 |
| ·The study of politeness | 第24-34页 |
| ·Some scholars' views about politeness | 第24页 |
| ·Grice's Cooperative Principle (CP) | 第24-26页 |
| ·Leech's Politeness Principle (PP) | 第26-28页 |
| ·Leech's Absolute Politeness | 第28-29页 |
| ·Gu's Model of Politeness | 第29-30页 |
| ·Brown and Levinson's face theory | 第30-34页 |
| ·Negative and positive face | 第31-32页 |
| ·Constraints on politeness | 第32-34页 |
| ·Face-threatening acts | 第34页 |
| ·Pragmatic failure | 第34-36页 |
| ·Pragmalinguistic failure | 第35页 |
| ·Sociolinguistic failure | 第35-36页 |
| ·Communicative competence | 第36-37页 |
| ·Summary | 第37-39页 |
| Chapter Three An empirical study of the refusal strategies in speech acts | 第39-56页 |
| ·The relevant research on refusal speech acts | 第39-40页 |
| ·Purposes | 第40-41页 |
| ·Instrument | 第41-44页 |
| ·Subjects | 第44页 |
| ·Data collection | 第44-48页 |
| ·Results and discussions | 第48-54页 |
| ·Summary | 第54-56页 |
| Chapter Four Pedagogical implications of present study in language teaching | 第56-66页 |
| ·The present situation of college English teaching in China | 第56-57页 |
| ·Inadequacy of developing the students' communicative and pragmatic competence | 第57页 |
| ·Some knowledge of speech act and politeness strategies under the different context in college English teaching | 第57-61页 |
| ·Emphasis on pragmatic competence and communicative competence | 第61-64页 |
| ·Summary | 第64-66页 |
| Chapter Five Conclusion | 第66-69页 |
| ·The theoretical and practical significance | 第66-67页 |
| ·Limitations of the study | 第67-69页 |
| References | 第69-74页 |
| Appendix Ⅰ | 第74-76页 |
| Appendix Ⅱ | 第76-78页 |
