| Abstract | 第1-5页 |
| 摘要 | 第5-6页 |
| Tables and Figures | 第6-7页 |
| Abbreviations | 第7-10页 |
| 1. Introduction | 第10-14页 |
| ·Background of the study | 第10-11页 |
| ·Significance and purpose of the study | 第11-13页 |
| ·Outline of the thesis | 第13-14页 |
| 2. Literature Review | 第14-26页 |
| ·Communication strategies | 第14-22页 |
| ·Definitions of CSs | 第14-17页 |
| ·Taxonomies of CSs | 第17-20页 |
| ·The taxonomy of CSs adopted in this study | 第20-22页 |
| ·Theoretical rationale of CSs | 第22-23页 |
| ·The role of CSs in SLA | 第22页 |
| ·Communicative competence and communication strategies | 第22-23页 |
| ·Studies of CSs at home and abroad | 第23-24页 |
| ·Related studies abroad | 第23-24页 |
| ·Related studies at home | 第24页 |
| ·The introduction of PETS | 第24-26页 |
| 3. Research Methodology | 第26-32页 |
| ·Research questions | 第26页 |
| ·Subjects | 第26-27页 |
| ·Instruments | 第27页 |
| ·The oral examination of PETS | 第27页 |
| ·Eleven categories of communication strategies | 第27页 |
| ·Methods | 第27-28页 |
| ·Observation | 第27页 |
| ·Verbal report | 第27-28页 |
| ·Procedures of research | 第28-29页 |
| ·The process of recording oral test | 第28页 |
| ·The process of verbal report | 第28-29页 |
| ·The process of marking CS use | 第29页 |
| ·Data collection | 第29-32页 |
| 4. Results | 第32-42页 |
| ·The use of CSs in PETS 3 oral test | 第32-34页 |
| ·Comparison of CSs used by high-score group and low-score group | 第34-36页 |
| ·Correlation between oral scores and CSs use | 第36-37页 |
| ·Results from verbal report | 第37-42页 |
| 5. Discussions | 第42-50页 |
| ·The general situation of CSs use | 第42-46页 |
| ·Use of stalling strategies | 第42-43页 |
| ·Use of achievement strategies | 第43-46页 |
| ·Use of avoidance strategies | 第46页 |
| ·The CSs used by high-score group and low-score group | 第46-48页 |
| ·Stalling strategy use between high-score group and low-score group | 第46-47页 |
| ·Achievement strategy use between high-score group and low-score group | 第47页 |
| ·Avoidance strategy use between high-score group and low-score group | 第47-48页 |
| ·Relationship between CSs use and oral scores | 第48-50页 |
| ·Relationship between stalling strategies and oral scores | 第48页 |
| ·Relationship between achievement strategies and oral scores | 第48-49页 |
| ·Relationship between avoidance strategies and oral scores | 第49-50页 |
| 6. Conclusions | 第50-54页 |
| ·Major findings | 第50页 |
| ·Pedagogical implications | 第50-52页 |
| ·Limitations of research | 第52-53页 |
| ·Suggestions for future research | 第53-54页 |
| Acknowledgements | 第54-55页 |
| Bibliography | 第55-59页 |
| Appendixes | 第59-63页 |
