| ABSTRACT | 第1-8页 |
| 摘要 | 第8-14页 |
| CHAPTER ONE INTRODUCTION | 第14-17页 |
| ·Research Background | 第14-15页 |
| ·Purpose and Significance of the Study | 第15-16页 |
| ·Structure of This Thesis | 第16-17页 |
| CHAPTER TWO REVIEW OF THE PREVIOUS AND CURRENTRELEVANT STUDIES | 第17-30页 |
| ·Literature Review of Power Trio | 第17-26页 |
| ·Power Words | 第17-19页 |
| ·Power Grammar | 第19-22页 |
| ·Power Composition | 第22-26页 |
| ·Literature Review of Tourism English and its Teaching | 第26-30页 |
| ·Literature Review of Textbooks of Tourism English | 第27-28页 |
| ·Literature Review of the Teaching of Tourism English | 第28-30页 |
| CHAPTER THREE DATA COLLECTION AND ANALYSIS | 第30-37页 |
| ·Data Collection | 第30页 |
| ·Data Analysis | 第30-37页 |
| ·Annotation | 第32-35页 |
| ·Methods of Analysis | 第35-37页 |
| CHAPTER FOUR POWER TRIO FEATURES IN THE TEXTSOF TOURISM ENGLISH | 第37-62页 |
| ·Power Trio Features in the Texts about Professional Skills | 第37-46页 |
| ·Power Words in Texts about Professional Skills | 第37-38页 |
| ·Power Grammar in Texts about Professional Skills | 第38-42页 |
| ·Power Composition in Texts about Professional Skills | 第42-46页 |
| ·Power Trio Features in the Texts about Scenic Attractions | 第46-55页 |
| ·Power Words in Texts about Scenic Attractions | 第46-47页 |
| ·Power Grammar in Texts about Scenic Attractions | 第47-52页 |
| ·Power Composition in Texts about Scenic Attractions | 第52-55页 |
| ·Features and Functions of Power Trio in the Texts of TourismEnglish | 第55-62页 |
| CHAPTER FIVE CONCLUSION | 第62-66页 |
| ·Main Findings | 第62-63页 |
| ·Implications of Power Trio for the Teaching of Tourism English | 第63-64页 |
| ·Limitations and Suggestions for Further Research | 第64-66页 |
| REFERENCES | 第66-70页 |
| ACKNOWLEDGEMENTS | 第70页 |
