| Abstract | 第3-4页 |
| 摘要 | 第5-7页 |
| Abbreviations | 第7-10页 |
| Chapter 1 Introduction | 第10-14页 |
| 1.1 Background of the research | 第10-11页 |
| 1.2 Significance of the present research | 第11-13页 |
| 1.2.1 Theoretical significance | 第11-12页 |
| 1.2.2 Pedagogical significance | 第12-13页 |
| 1.3 Structure of the thesis | 第13-14页 |
| Chapter 2 Literature Review | 第14-28页 |
| 2.1 Definition of written syntactic complexity | 第14-15页 |
| 2.2 Definition and selection of written syntactic complexity measures | 第15-19页 |
| 2.3 Relevant empirical studies on written syntactic complexity | 第19-26页 |
| 2.3.1 Studies into the relationship between written syntactic complexityand timing condition | 第20-21页 |
| 2.3.2 Studies into the relationship between written syntactic complexityand genre | 第21-24页 |
| 2.3.3 Studies into the inter-relationship among genre, timing conditionand written syntactic complexity | 第24-26页 |
| 2.4 Theoretical foundation—Skehan’s Trade-off Hypothesis | 第26-28页 |
| Chapter 3 Research Methodology | 第28-36页 |
| 3.1 Research questions | 第28-30页 |
| 3.2 Research participants | 第30页 |
| 3.3 Research instrument | 第30-31页 |
| 3.4 Data collection | 第31-33页 |
| 3.5 Data analysis | 第33-36页 |
| Chapter 4 Results and Discussion | 第36-53页 |
| 4.1 The effect of genre on the written syntactic complexity | 第36-41页 |
| 4.1.1 The effect of genre on the writing units length | 第36-39页 |
| 4.1.2 The effect of genre on the writing units density | 第39-41页 |
| 4.2 The effect of timing condition on the written syntactic complexity | 第41-46页 |
| 4.2.1 The effect of timing condition on the writing units length | 第42-44页 |
| 4.2.2 The effect of timing condition on the writing units density | 第44-46页 |
| 4.3 The interactive effects between genre and timing condition on the writtensyntactic complexity | 第46-53页 |
| 4.3.1 The interactive effects between genre and timing condition on thewriting units length | 第47-51页 |
| 4.3.2 The interactive effects between genre and timing condition on thewriting units density | 第51-53页 |
| Chapter 5 Conclusion | 第53-58页 |
| 5.1 Major findings | 第53-55页 |
| 5.2 Pedagogic implications | 第55-56页 |
| 5.3 Limitations and suggestions for further research | 第56-58页 |
| References | 第58-61页 |
| Appendix I Writing Requirements | 第61-63页 |
| Appendix II Guidelines for T-Units, Clauses (Polio, 1997) | 第63-65页 |
| Appendix III Coding Instances | 第65-67页 |
| Acknowledgements | 第67-68页 |
| 在读期间公开发表论文（著）及科研情况 | 第68页 |
