| Acknowledgements | 第1-5页 |
| 摘要 | 第5-7页 |
| Abstract | 第7-14页 |
| List of Abbreviations | 第14-15页 |
| Chapter One Introduction | 第15-19页 |
| ·Research background | 第15-16页 |
| ·Research significance | 第16页 |
| ·Research objectives | 第16-17页 |
| ·Organization of the thesis | 第17-19页 |
| Chapter Two Literature Review | 第19-35页 |
| ·Definitions of the related terms | 第19-22页 |
| ·Text | 第19页 |
| ·Cohesion and coherence | 第19-21页 |
| ·Lexical cohesion | 第21-22页 |
| ·The development of lexical cohesion theory | 第22-30页 |
| ·Research abroad | 第22-27页 |
| ·M.A.K. Halliday and Ruqaiya Hasan | 第22-24页 |
| ·Ruqaiya Hasan | 第24-25页 |
| ·Michael Hoey | 第25-27页 |
| ·Research at home | 第27-30页 |
| ·Hu Zhuanglin | 第27-28页 |
| ·Zhu Yongsheng and Zheng Lixin et al | 第28-29页 |
| ·Other scholars | 第29-30页 |
| ·University commencement speeches | 第30-32页 |
| ·Definition of university commencement speeches | 第30-31页 |
| ·Relevant research on lexical cohesive devices in English and Chinese UCS | 第31-32页 |
| ·Summary | 第32-35页 |
| Chapter Three Research Design | 第35-41页 |
| ·Research questions | 第35页 |
| ·Data collection | 第35-36页 |
| ·Research method and procedures | 第36-37页 |
| ·The taxonomy of lexical cohesive devices adopted in this study | 第37-38页 |
| ·Summary | 第38-41页 |
| Chapter Four Results and Discussion | 第41-67页 |
| ·Analysis of one English version and one Chinese version | 第41-48页 |
| ·Analysis of one English version | 第42-44页 |
| ·Analysis of one Chinese version | 第44-48页 |
| ·Distribution of using different lexical cohesive devices | 第48-51页 |
| ·Reiteration | 第51-59页 |
| ·The use of reiteration in English and Chinese UCS | 第51-52页 |
| ·The use of repetition | 第52-54页 |
| ·The use of synonymy (near-synonymy) | 第54-56页 |
| ·Similarities of using synonymy (near-synonymy) in English and Chinese UCS | 第55页 |
| ·Differences of using synonymy (near-synonymy) in English and Chinese UCS | 第55页 |
| ·Causes for these similarities and differences | 第55-56页 |
| ·The use of superordinate | 第56-58页 |
| ·Similarities of using superordinate in English and Chinese UCS | 第56-57页 |
| ·Differences of using superordinate in English and Chinese UCS | 第57页 |
| ·Causes for these similarities and differences | 第57-58页 |
| ·The use of general word | 第58-59页 |
| ·Similarities of using general word in English and Chinese UCS | 第58页 |
| ·Differences of using general word in English and Chinese UCS | 第58页 |
| ·Causes for these similarities and differences | 第58-59页 |
| ·Collocation | 第59-64页 |
| ·The use of collocation in English and Chinese UCS | 第59-60页 |
| ·The use of antonymy | 第60-62页 |
| ·Similarities of using antonymy in English and Chinese UCS | 第60-61页 |
| ·Differences of using antonymy in English and Chinese UCS | 第61页 |
| ·Causes for these similarities and differences | 第61-62页 |
| ·The use of co-reference | 第62-63页 |
| ·Similarities of using co-reference in English and Chinese UCS | 第62页 |
| ·Differences of using co-reference in English and Chinese UCS | 第62页 |
| ·Causes for these similarities and differences | 第62-63页 |
| ·The use of other collocation | 第63-64页 |
| ·Similarities of using other collocation in English and Chinese UCS | 第63-64页 |
| ·Differences of using other collocation in English and Chinese UCS | 第64页 |
| ·Causes for these similarities and differences | 第64页 |
| ·Summary | 第64-67页 |
| Chapter Five Conclusion | 第67-71页 |
| ·Summary of the major findings | 第67-68页 |
| ·Implications of the present research | 第68-69页 |
| ·Limitations of the present research and suggestions for further study | 第69-71页 |
| Bibliography | 第71-75页 |
| Appendix Ⅰ | 第75-79页 |
| Appendix Ⅱ | 第79-81页 |
| Appendix Ⅲ | 第81-83页 |
| 攻读学位期间发表的学术论文目录 | 第83-84页 |
