| ACKNOWLEDGEMENTS | 第5-6页 |
| ABSTRACT | 第6-7页 |
| 摘要 | 第8-13页 |
| CHAPTER ONE INTRODUCTION | 第13-18页 |
| 1.1 Research background | 第13-14页 |
| 1.2 Rationale of the present study | 第14-15页 |
| 1.3 Significance of the study | 第15-16页 |
| 1.4 Research questions | 第16页 |
| 1.5 Organization of the thesis | 第16-18页 |
| CHAPTER TWO LITERATURE REVIEW | 第18-30页 |
| 2.1 Theoretical studies on metadiscourse | 第18-24页 |
| 2.1.1 Definitions of metadiscourse | 第18-20页 |
| 2.1.2 Classifications of metadiscourse | 第20-24页 |
| 2.2 Empirical studies on metadiscourse | 第24-27页 |
| 2.2.1 Metadiscourse in advertisements | 第24-25页 |
| 2.2.2 Metadiscourse in other texts | 第25-27页 |
| 2.3 Previous studies on tourism advertisements | 第27-28页 |
| 2.4 Summary | 第28-30页 |
| CHAPTER THREE THEORETICAL FRAMEWORK | 第30-42页 |
| 3.1 Hyland's interactional model of metadiscourse | 第30-35页 |
| 3.1.1 Stance features | 第32-33页 |
| 3.1.2 Engagement features | 第33-35页 |
| 3.2 Three means of persuasion | 第35-37页 |
| 3.3 Analytical framework of the present study | 第37-39页 |
| 3.4 Research methods | 第39-42页 |
| 3.4.1 Methods and tool | 第39页 |
| 3.4.2 Data collection and corpus building | 第39-40页 |
| 3.4.3 Analytical procedure | 第40-42页 |
| CHAPTER FOUR ANALYSIS AND DISCUSSION | 第42-83页 |
| 4.1 Analysis of subcategories of interactional metadiscourse used in American tourism advertisement texts | 第42-67页 |
| 4.1.1 Analysis of stance features | 第42-54页 |
| 4.1.2 Analysis of engagement features | 第54-67页 |
| 4.2 Characteristics of American tourism advertisement texts in terms of frequency and distribution of interactional metadiscourse | 第67-73页 |
| 4.2.1 The most frequently used reader pronouns and directives | 第68-70页 |
| 4.2.2 The balanced application of hedges and boosters | 第70-71页 |
| 4.2.3 Less frequently used attitude markers and personal asides | 第71-72页 |
| 4.2.4 The least frequently used self-mentions, questions and shared knowledge | 第72-73页 |
| 4.3 Analysis of realization of persuasive function by using interactional metadiscourse in American tourism advertisement texts | 第73-83页 |
| 4.3.1 Analysis of pathos: the affective appeals | 第73-78页 |
| 4.3.2 Analysis of ethos: the credible appeals | 第78-81页 |
| 4.3.3 Analysis of logos: the rational appeals | 第81-83页 |
| CHAPTER FIVE CONCLUSION | 第83-87页 |
| 5.1 Major findings | 第83-85页 |
| 5.2 Implications of the present study | 第85-86页 |
| 5.3 Limitations of the present study and suggestions for future studies | 第86-87页 |
| REFERENCE | 第87-92页 |
| APPENDIX | 第92-95页 |
