| 摘要 | 第1-6页 |
| Abstract | 第6-9页 |
| Chapter One Introduction | 第9-11页 |
| Chapter Two Literature Review | 第11-16页 |
| ·A Brief Review of Language Variety | 第11-15页 |
| ·Definition of language variety | 第11-12页 |
| ·Classification of language variety | 第12-14页 |
| ·Factors influencing social variety of a language | 第14-15页 |
| ·A Brief Review of American Presidents' Background | 第15-16页 |
| Chapter Three The Analysis on the Linguistic Features of American Presidents' Inaugural Addresses from the Prospective of Style Variation and Social Variety | 第16-46页 |
| ·The Analysis on Features of American Presidents' Inaugural Addresses from the Perspective of Style Variation | 第16-34页 |
| ·Language Style | 第16-18页 |
| ·Definition of language style | 第16页 |
| ·Essential factors of language style | 第16-17页 |
| ·Varieties of American English style | 第17-18页 |
| ·Language style of American Presidents' Inaugural Addresses | 第18页 |
| ·Linguistic Features of American Presidents' Inaugural Addresses from the Perspective of Style Variation | 第18-34页 |
| ·Phonetic features | 第19-22页 |
| ·Lexical features | 第22-28页 |
| ·Syntactic features | 第28-34页 |
| ·The Analysis on the Linguistic Features of American Presidents' Inaugural Addresses from the Prospective of Social Variety | 第34-46页 |
| ·Christianity in America | 第34-37页 |
| ·Christian America | 第34-35页 |
| ·The general religious characteristic of American presidents' addresses influenced by Christianity | 第35-37页 |
| ·Linguistic Features of American Presidents' Inaugural Addresses influenced by Christianity | 第37-46页 |
| ·Lexical features | 第37-42页 |
| ·Syntactic features | 第42-46页 |
| Chapter Four Conclusion | 第46-48页 |
| Bibliography | 第48-51页 |
| Acknowledgements | 第51页 |
