| 摘要 | 第1-7页 |
| Abstract | 第7-9页 |
| Table of contents | 第9-11页 |
| List of tables | 第11-12页 |
| Chapter Ⅰ Introduction | 第12-16页 |
| ·Research background | 第12-14页 |
| ·Purpose and significance of this paper | 第14页 |
| ·Research questions | 第14-15页 |
| ·Organization of this paper | 第15-16页 |
| Chapter Ⅱ Literature Review | 第16-38页 |
| ·Discourse and text | 第16-17页 |
| ·Theoretical basis of this essay | 第17-24页 |
| ·Cohesion | 第17-18页 |
| ·Coherence | 第18-20页 |
| ·Relationship of cohesion and coherence | 第20-21页 |
| ·Three opinions on the relationship between cohesion and coherence | 第21-24页 |
| ·Related research home and abroad | 第24-28页 |
| ·Domestic researches | 第24-26页 |
| ·Foreign researches | 第26-28页 |
| ·Taxonomy of cohesive devices in the present thesis | 第28-36页 |
| ·Reference | 第28-31页 |
| ·Substitution and ellipsis | 第31页 |
| ·Conjunction | 第31-33页 |
| ·Lexical cohesion | 第33-36页 |
| ·Summary | 第36-38页 |
| Chapter Ⅲ Research Methodology | 第38-41页 |
| ·Marking schemes | 第38页 |
| ·The subjects | 第38页 |
| ·Research Procedures | 第38-39页 |
| ·Coding scheme | 第39-40页 |
| ·Summary | 第40-41页 |
| Chapter Ⅳ Result and discussion | 第41-69页 |
| ·Description of the frequency of cohesive devices in the G group and P group | 第41-42页 |
| ·Description of the use of cohesive devices and the quality of the student writing | 第42-45页 |
| ·Cohesive devices and quality of the student writing | 第42-43页 |
| ·Conjunctive cohesive devices and quality of the student writing | 第43-44页 |
| ·Lexical cohesive devices and quality of the student writing | 第44-45页 |
| ·Description of the cohesive features of the students | 第45-67页 |
| ·Total cohesive devices | 第45-46页 |
| ·Reference | 第46-50页 |
| ·Conjunction | 第50-59页 |
| ·Lexical | 第59-67页 |
| ·Summary | 第67-69页 |
| Chapter V Conclusion | 第69-75页 |
| ·Findings of the research | 第69-71页 |
| ·Pedagogical suggestions | 第71-73页 |
| ·Limitations and suggestions | 第73-75页 |
| References | 第75-78页 |
| Appendix Ⅰ Lexical devices employed by G group | 第78-79页 |
| Appendix Ⅱ Lexical devices employed by L group | 第79-80页 |
| Appendix Ⅲ Conjunctive devices employed by G group | 第80-81页 |
| Appendix Ⅳ Conjunctive devices employed by L group | 第81-82页 |
| Appendix Ⅴ G group compositions score and Cohesive devices | 第82-83页 |
| Appendix Ⅵ L group compositions score and Cohesive devices | 第83-84页 |
| Acknowledgements | 第84-85页 |
