| Acknowledgements | 第1-4页 |
| Abstract | 第4-6页 |
| 摘要 | 第6-10页 |
| Chapter One Introduction | 第10-15页 |
| ·Overview | 第10页 |
| ·The Rationale of the Present Study | 第10-12页 |
| ·Research Questions and Purpose of the Present Study | 第12-14页 |
| ·Thesis Organization | 第14-15页 |
| Chapter Two Literature Review | 第15-24页 |
| ·An Introduction to Critical Discourse Analysis | 第15-19页 |
| ·The Birth and Development of Critical Discourse Analysis | 第15-17页 |
| ·Main Theoretical Basis of CDA | 第17页 |
| ·Basic Notions of Critical Discourse Analysis | 第17-19页 |
| ·Language | 第18页 |
| ·Discourse | 第18-19页 |
| ·Ideology | 第19页 |
| ·A Brief Introduction of News Discourse | 第19-20页 |
| ·Previous Research on News Discourse from the Perspective of CDA | 第20-23页 |
| ·CDA Studies on Media Discourse Conducted by Scholars Abroad | 第20-22页 |
| ·CDA Studies on Media Discourse Conducted by Scholars in China | 第22-23页 |
| ·Summary | 第23-24页 |
| Chapter Three Methodology | 第24-32页 |
| ·Halliday’s Systematic Functional Grammar | 第24-28页 |
| ·The Ideational Function | 第25-26页 |
| ·Transitivity | 第25页 |
| ·Lexical Classification | 第25-26页 |
| ·The Interpersonal Function | 第26-27页 |
| ·Modality | 第26-27页 |
| ·The Textual Function | 第27-28页 |
| ·Speech Reporting | 第27-28页 |
| ·Data Collection | 第28-31页 |
| ·Data Collection Procedure | 第28-31页 |
| ·General Description of the Research Material | 第29页 |
| ·Time Span and Criteria for the Research Material | 第29页 |
| ·Brief Account of the Sources of the Research Material | 第29-31页 |
| Sources of the News Samples from the U.S. | 第30页 |
| Sources of the News Samples from China | 第30-31页 |
| ·Summary | 第31-32页 |
| Chapter Four Results and Discussion | 第32-57页 |
| ·Social and Economic Background | 第32-34页 |
| ·Data Analysis | 第34-55页 |
| ·Analysis of the Headline | 第34-37页 |
| ·Analysis of Lexical Choice | 第37-40页 |
| ·Analysis from the Perspective of Modality | 第40-46页 |
| ·Must | 第41-42页 |
| ·Will | 第42-44页 |
| ·Should | 第44-46页 |
| ·Intertexuality Analysis | 第46-55页 |
| ·Speech Reporting | 第46-55页 |
| Analysis of Reporting Modes | 第47-50页 |
| Analysis of News Sources | 第50-53页 |
| Analysis of Reporting Verbs | 第53-55页 |
| ·Summary | 第55-57页 |
| Chapter Five Conclusion | 第57-64页 |
| ·Findings and Discussion | 第57-61页 |
| ·Implications of the Present Research | 第61-62页 |
| ·Limitations of the Present Research | 第62-63页 |
| ·Suggestions for Further Research | 第63-64页 |
| Bibliography | 第64-67页 |
| Appendix 1 Sources of the Selected News Reports | 第67-86页 |
| Appendix 2 Websites for the Selected News Reports | 第86-88页 |
| Appendix 3 Websites for the Supplementary News Reports | 第88-90页 |
