| Acknowledgements | 第1-6页 |
| Abstract | 第6-8页 |
| 摘要 | 第8-11页 |
| ChapterⅠ Introduction | 第11-13页 |
| ·Significance of the study | 第11页 |
| ·Organization of the research | 第11-13页 |
| Chapter Ⅱ Literature Review | 第13-29页 |
| ·Language transfer | 第13-19页 |
| ·Definition of language transfer | 第13-14页 |
| ·Manifestations of language transfer | 第14-16页 |
| ·Related studies of influence of language transfer on SLA | 第16-19页 |
| ·Speech act theory | 第19-25页 |
| ·Austin’s speech act theory | 第19-20页 |
| ·Searle’s speech act theory | 第20-21页 |
| ·Speech act of request | 第21-23页 |
| ·Elements of English requests | 第21-22页 |
| ·Request strategies | 第22-23页 |
| ·Politeness principle | 第23-25页 |
| ·Studies on requests at home and abroad | 第25-29页 |
| ·Studies on Chinese request made by native Chinese | 第26-27页 |
| ·Contrastive studies on English request and Chinese request | 第27-29页 |
| Chapter Ⅲ Methodology and Design of the Research | 第29-35页 |
| ·Research purpose and research questions | 第29页 |
| ·Instruments of the research | 第29-32页 |
| ·Origin of the discourse completion test | 第29-31页 |
| ·Modification of DCT for the present study | 第31-32页 |
| ·Subjects | 第32-33页 |
| ·Data collection and analysis | 第33-35页 |
| ·Procedure of data collection | 第33页 |
| ·Analysis procedure | 第33-35页 |
| Chapter Ⅳ Results and Discussion | 第35-51页 |
| ·Results of the study | 第35-36页 |
| ·Types of request strategies used by the two groups in general | 第36-39页 |
| ·Influences of mother language transfer on their choice of English request strategies | 第39-51页 |
| ·Characteristics of Chinese requests | 第39-45页 |
| ·Negative influences of Chinese request strategies | 第45-49页 |
| ·Positive influences of Chinese request strategies | 第49-51页 |
| Chapter Ⅴ Conclusion and Implications | 第51-54页 |
| ·Findings of the study | 第51-52页 |
| ·Pedagogical implications | 第52-53页 |
| ·Limitations and suggestions for future studies | 第53-54页 |
| Bibliography | 第54-58页 |
| Appendix I 汉语请求言语行为的问卷调查 | 第58-59页 |
| Appendix II Questionnaire of Requests (the English version) | 第59-60页 |
| Papers Published during MA Program | 第60页 |