| 摘要 | 第1-7页 |
| Abstract | 第7-10页 |
| Contents | 第10-12页 |
| List of Tables | 第12-13页 |
| Abbreviation | 第13-14页 |
| Chapter 1 Introduction | 第14-18页 |
| ·Research Background | 第14-15页 |
| ·Research Significance | 第15-17页 |
| ·Structure of the Thesis | 第17-18页 |
| Chapter 2 Literature Review | 第18-27页 |
| ·Previous Studies on Conflictive Business Letters | 第18-20页 |
| ·Definition of Conflictive Business Letters | 第19页 |
| ·Linguistic Features of Conflictive Business Letters | 第19-20页 |
| ·Previous Studies on Cohesion | 第20-27页 |
| ·Definition and Classification of Cohesion | 第20-23页 |
| ·Differences in the Use of Cohesion across Proficiency Levels | 第23-24页 |
| ·Relationship between the Use of Cohesion and the Writing Quality | 第24-25页 |
| ·Analysis of Cohesion from Contrastive Linguistics | 第25-27页 |
| Chapter 3 Research Methodology | 第27-34页 |
| ·Research Questions | 第27页 |
| ·Method and Analytical Framework | 第27-30页 |
| ·Error Analysis Approach | 第27-29页 |
| ·Contrastive Interlanguage Analysis | 第29-30页 |
| ·Data Collection | 第30-31页 |
| ·Data Analysis | 第31-34页 |
| Chapter 4 Results and Discussions | 第34-65页 |
| ·Cohesive Features and Problems in Conflictive Business Letters | 第34-49页 |
| ·Cohesive Features in Conflictive Business Letters | 第34-43页 |
| ·Problems and Causes in Conflictive Business Letters | 第43-49页 |
| ·Differences in the Use of Cohesive Devices between the High-score and the Low-score Groups | 第49-59页 |
| ·Differences in Frequency | 第50-53页 |
| ·Differences in Distribution | 第53-59页 |
| ·Relationship between the Use of Cohesive Devices and Writing Quality | 第59-65页 |
| ·Correlation between the Use of Cohesive Devices and the Test Score | 第59-61页 |
| ·Indicators of the Test Score | 第61-65页 |
| Conclusion | 第65-70页 |
| References | 第70-75页 |
| Appendix A Sources for Native Letters | 第75-81页 |
| Appendix B Selected Letters for the Study | 第81-84页 |
| Appendix C 详细中文摘要 | 第84-87页 |
| Acknowledgements | 第87页 |
