| Abstract | 第1-8页 |
| 摘要 | 第8-11页 |
| Chapter One Introduction | 第11-13页 |
| ·Background of the study | 第11页 |
| ·The purpose of the thesis | 第11-12页 |
| ·The organization of the thesis | 第12-13页 |
| Chapter Two A General Survey of Critical Discourse Analysis | 第13-21页 |
| ·Research of CDA abroad | 第13-15页 |
| ·Research of CDA at home | 第15-16页 |
| ·Language and Ideology | 第16-21页 |
| ·Language as a social practice | 第16-17页 |
| ·The concept of Ideology | 第17-19页 |
| ·The relationship between language and ideology | 第19-21页 |
| Chapter Three Analytic Method | 第21-33页 |
| ·Analytic method of CDA | 第21-23页 |
| ·Procedure for critical analysis by Fairclough | 第21-22页 |
| ·Halliday's Systemic-Functional Grammar | 第22-23页 |
| ·Analytic methods of the present study | 第23-33页 |
| ·Lexical classification | 第23-24页 |
| ·Transitivity | 第24-28页 |
| ·Syntactic transformation | 第28-30页 |
| ·Passive voice | 第28-29页 |
| ·Nominalization | 第29-30页 |
| ·Modality | 第30-31页 |
| ·Thematic choice | 第31-33页 |
| Chapter Four Comparative study of President Bush's Speeches on Iraqi War | 第33-63页 |
| ·A brief introduction to the Iraqi War | 第33-34页 |
| ·Social background and main contents of the speeches | 第34-36页 |
| ·Social background and content of Speech One | 第34页 |
| ·Social background and content of Speech Two | 第34-36页 |
| ·Social background and content of Speech Three | 第36页 |
| ·Lexical classification of the three speeches | 第36-43页 |
| ·Lexical classification in Speech One | 第37-39页 |
| ·Lexical classification in Speech Two | 第39-40页 |
| ·Lexical classification in Speech Three | 第40-42页 |
| ·Summary | 第42-43页 |
| ·Comparative study of transitivity | 第43-51页 |
| ·Material process | 第43-48页 |
| ·Relational process | 第48-50页 |
| ·Mental process | 第50-51页 |
| ·Comparative study of syntactic transformation | 第51-54页 |
| ·Comparative study of passive voice | 第51-52页 |
| ·Passive voice in Speech One | 第51页 |
| ·Passive voice in Speech Two | 第51-52页 |
| ·Passive voice in Speech Three | 第52页 |
| ·Comparative study of nominalization | 第52-54页 |
| ·Typical examples of nominalization in Speech One | 第52-53页 |
| ·Typical examples of nominalization in Speech Two | 第53页 |
| ·Typical examples of nominalization in Speech Three | 第53-54页 |
| ·Comparative study of modality | 第54-60页 |
| ·Modality in Speech One | 第54-56页 |
| ·Modality in Speech Two | 第56-58页 |
| ·Modality in Speech Three | 第58-60页 |
| ·Comparative study of thematic choice | 第60-63页 |
| ·Comparative study of unmarked themes | 第60-61页 |
| ·Comparative study of marked themes | 第61-63页 |
| ·Marked themes in Speech One | 第61页 |
| ·Marked themes in Speech Two | 第61-62页 |
| ·Marked themes in Speech Three | 第62-63页 |
| Chapter Five Conclusions | 第63-66页 |
| ·Summary of major finding | 第63-64页 |
| ·Pedagogical implications | 第64-66页 |
| Bibliography | 第66-69页 |
| Appendix | 第69-77页 |
| Acknowledgements | 第77页 |
