| 摘要 | 第1-8页 |
| ABSTRACT | 第8-11页 |
| Chapter One Introduction | 第11-21页 |
| ·Importance of Lexical Cohesion in English Writing | 第11-12页 |
| ·Writing Problems in Chinese EFL Learners | 第12-14页 |
| ·Writer-based Awareness in Writing | 第12-13页 |
| ·Grammar-centered Awareness in Writing | 第13页 |
| ·Lack of Cohesion in Writing | 第13-14页 |
| ·Previous Research | 第14-18页 |
| ·Research Carried Out Abroad | 第15-17页 |
| ·Research Carried Out at home | 第17-18页 |
| ·Purposes and Significance of the Present Research | 第18-19页 |
| ·Organization of the Thesis | 第19-21页 |
| Chapter Two Theoretical Background | 第21-31页 |
| ·Discourse and Discourse Analysis | 第21-23页 |
| ·Cohesion and Coherence | 第23-25页 |
| ·Lexical Cohesion | 第25-31页 |
| ·Lexical Cohesive Ties | 第25-29页 |
| ·Lexical Cohesive Chains | 第29-31页 |
| Chapter Three Methodology | 第31-38页 |
| ·Research Design | 第31-34页 |
| ·Objectives | 第31页 |
| ·Subjects | 第31页 |
| ·Data Collection | 第31-32页 |
| ·Evaluation of the Compositions | 第32-34页 |
| ·Data Analysis | 第34-38页 |
| Chapter Four Results and Discussion | 第38-58页 |
| ·Lexical Cohesive Ties and Writing Quality | 第38-49页 |
| ·Total Number of Lexical Cohesive Ties | 第38页 |
| ·Simple Repetition and Writing Quality | 第38-39页 |
| ·Complex Repetition and Writing Quality | 第39-41页 |
| ·Synonym and Writing Quality | 第41-44页 |
| ·Antonym and Writing Quality | 第44-45页 |
| ·Superordinate and Writing Quality | 第45-46页 |
| ·Collocation and Writing Quality | 第46-49页 |
| ·Lexical Cohesive Chains and Writing Quality | 第49-56页 |
| ·Number of Chains and Writing Quality | 第49-50页 |
| ·Mean Length of Chains and Writing Quality | 第50-53页 |
| ·Word Types in Chains and Writing Quality | 第53-56页 |
| ·Summary | 第56-58页 |
| Chapter Five Implications and Applications | 第58-65页 |
| ·A New Perspective on the Teaching of EFL Writing | 第58-59页 |
| ·A New Approach to the Teaching of EFL Writing | 第59-64页 |
| ·Language Input | 第59-61页 |
| ·Writing Practice | 第61-62页 |
| ·Writing Evaluation | 第62-64页 |
| ·Summary | 第64-65页 |
| Chapter Six Conclusion | 第65-68页 |
| ·Major Findings of the Present Research | 第65-66页 |
| ·Limitations of the Present Research | 第66-67页 |
| ·Suggestions for Future Research | 第67-68页 |
| Appendix I Lexical Devices Employed by “P”and “G”Group | 第68-73页 |
| Appendix II Two Compositions Taken From Two Groups | 第73-76页 |
| Bibliography | 第76-81页 |
| 攻读学位期间发表的学术论文 | 第81-82页 |
| Acknowledgements | 第82页 |
