| Synopsis | 第1-6页 |
| 摘要 | 第6-11页 |
| Chapter 1 Introduction | 第11-16页 |
| ·Research Orientation | 第11-12页 |
| ·Aims and Significance | 第12-13页 |
| ·Data Collection and Research Procedures | 第13-14页 |
| ·Structure of the Research | 第14-16页 |
| Chapter 2 Literature Review | 第16-44页 |
| ·Overview | 第16页 |
| ·Discourse Analysis | 第16-19页 |
| ·Cohesion and Coherence | 第19-27页 |
| ·Origins and Development of Cohesion and Coherenc | 第19-20页 |
| ·Definitions of Cohesion and Coherence | 第20-23页 |
| ·Relationship Between Cohesion and Coherence | 第23-27页 |
| ·Lexical cohesion | 第27-43页 |
| ·General Concept about Lexical Cohesion | 第28-29页 |
| ·Importance of Lexical Cohesion | 第29-30页 |
| ·Theoretical Studies on Lexical Cohesion | 第30-35页 |
| ·Empirical Researches on Lexical Cohesion | 第35-43页 |
| ·Summary | 第43-44页 |
| Chapter 3 English Political Public Speaking | 第44-52页 |
| ·Overview | 第44页 |
| ·Significance of Studying English Public Political Speaking | 第44-46页 |
| ·Characteristics of English Public Political Speaking | 第46-48页 |
| ·Studies on English Public Political Speaking | 第48-51页 |
| ·Summary | 第51-52页 |
| Chapter 4 Lexical Cohesion in English public Political Speaking | 第52-87页 |
| ·Overview | 第52页 |
| ·Taxonomy of Lexical Cohesion | 第52-68页 |
| ·Three Most Influential Taxonomies of Lexical Cohesion | 第52-58页 |
| ·Categories of Lexical Cohesion | 第58-68页 |
| ·Lexical Relation | 第58-65页 |
| ·Text-Bound Relation | 第65-68页 |
| ·A Sample Analysis: John. F. Kennedy’s Inaugural Address | 第68-77页 |
| ·Lexical Relation in Kennedy’s Inaugural Address | 第69-73页 |
| ·Text-Bound Relation in Kennedy’s Inaugural Address | 第73-75页 |
| ·Frequencies of Different Lexical Cohesive devices in Kennedy’s Inaugural Address | 第75-77页 |
| ·Frequencies and Functions of Different Lexical Cohesive Devices in All the Samples: Results and Analysis | 第77-85页 |
| ·Frequency histogram | 第77-80页 |
| ·Possible Reasons for the Differences | 第80-82页 |
| ·Comparison of Results with Previous Analyses | 第82-85页 |
| ·Limitations of the Present Study | 第85-86页 |
| ·Summary | 第86-87页 |
| Chapter 5 Conclusion | 第87-90页 |
| ·Major findings and Significance | 第87-88页 |
| ·Pedagogical Implications | 第88-90页 |
| Bibliography | 第90-94页 |
| Appendix | 第94-104页 |
| Acknowledgements | 第104页 |
