| ACKNOWLEDGEMENTS | 第9-10页 |
| ABSTRACT | 第10-11页 |
| 摘要 | 第12-18页 |
| CHAPTER Ⅰ INTRODUCTION | 第18-22页 |
| 1.1 Background of the Research | 第18-19页 |
| 1.2 Significance of the Research | 第19-20页 |
| 1.3 Organization of the Research | 第20-22页 |
| CHAPTER Ⅱ LITERATURE REVIEW | 第22-32页 |
| 2.1 Previous Studies on Evidentiality | 第22-28页 |
| 2.1.1 A Historical Review of Evidentiality Studies | 第22-23页 |
| 2.1.2 Definitions and Classifications of Evidentiality and Evidentials | 第23-25页 |
| 2.1.2.1 Definitions of Evidentiality and Evidentials | 第23-24页 |
| 2.1.2.2 Classifications of evidentiality and evidentials | 第24-25页 |
| 2.1.3 Relevant Studies on Evidentiality from the Perspective of Language Itself | 第25-26页 |
| 2.1.4 Relevant Studies on Evidentiality from the Aspect of Discourse | 第26-28页 |
| 2.2 Previous Studies on News Reports | 第28-30页 |
| 2.2.1 Definitions and Classifications of News Reports | 第28-29页 |
| 2.2.2 Relevant Studies on News Reports Used as the Corpus | 第29-30页 |
| 2.3 Comments on the Previous Studies and Innovation of the Paper | 第30-32页 |
| CHAPTER Ⅲ THEORETICAL FRAMEWORK | 第32-39页 |
| 3.1 Hu Zhuanglin’s View on Evidentiality | 第32-37页 |
| 3.1.1 Chafe’s Model of Evidentiality | 第32-34页 |
| 3.1.2 Hu Zhuanglin’s Modification of Chafe’s Model | 第34-37页 |
| 3.2 Genre Analysis of News Reports | 第37-39页 |
| CHAPTER Ⅳ METHODOLOGY | 第39-46页 |
| 4.1 Research Objectives and Research Questions | 第39页 |
| 4.2 Research Methods | 第39-40页 |
| 4.3 Research Procedures | 第40-41页 |
| 4.4 Data Collection and Analysis | 第41-46页 |
| CHAPTER Ⅴ RESULTS AND DISCUSSION | 第46-77页 |
| 5.1 Features of Evidentiality in News Reports in the Two Corpora | 第46-57页 |
| 5.1.1 Frequency of Evidentials in the Two Corpora | 第46-49页 |
| 5.1.2 Distribution of Evidentials and Lexical Realizations in the Two Corpora | 第49-57页 |
| 5.1.2.1 Belief Evidentials | 第54页 |
| 5.1.2.2 Deduction Evidentials | 第54-55页 |
| 5.1.2.3 Induction Evidentials | 第55页 |
| 5.1.2.4 Hearsay Evidentials | 第55-56页 |
| 5.1.2.5 Reliability Evidentials | 第56页 |
| 5.1.2.6 Verbal Resources Evidentials | 第56-57页 |
| 5.1.2.7 Expectations Evidentials | 第57页 |
| 5.2 Contrastive Analysis of Evidentials and Lexical Realizations in the TwoCorpora | 第57-70页 |
| 5.2.1 Similarities and Differences in Overall Distributions of Evidentials | 第57-63页 |
| 5.2.2 Differences in Distribution of Belief Evidentials | 第63-64页 |
| 5.2.3 Differences in Distribution of Deduction Evidentials | 第64-65页 |
| 5.2.4 Differences in Distribution of Induction Evidentials | 第65页 |
| 5.2.5 Differences in Distribution of Hearsay Evidentials | 第65-67页 |
| 5.2.6 Differences in Distribution of Reliability Evidentials | 第67-68页 |
| 5.2.7 Differences in Distribution of Verbal Resources Evidentials | 第68-69页 |
| 5.2.8 Differences in Distribution of Expectations Evidentials | 第69-70页 |
| 5.3 Possible Reasons for the Similarities and Differences | 第70-77页 |
| 5.3.1 General Communicative Intention of News Reports | 第72-74页 |
| 5.3.2 Differences in Thinking Patterns Between Chinese and Americans | 第74-75页 |
| 5.3.3 Familiarity with English Used as the Working Language | 第75-77页 |
| CHAPTER Ⅵ CONCLUSION | 第77-81页 |
| 6.1 Major Findings of the Research | 第77-79页 |
| 6.2 Limitations of the Research | 第79-80页 |
| 6.3 Suggestions for Further Research | 第80-81页 |
| REFERENCES | 第81-84页 |
