| Acknowledgements | 第1-8页 |
| Abstract (English) | 第8-11页 |
| Abstract (Chinese) | 第11-13页 |
| Abbreviations | 第13-14页 |
| Lists of Tables | 第14-15页 |
| Chapter One Introduction | 第15-21页 |
| ·The Significance of Adverbial Connectors in English Writing | 第15-18页 |
| ·The Aim and Scope of the Present Study | 第18-20页 |
| ·Overview of the Remaining Chapters | 第20-21页 |
| Chapter Two Literature Review | 第21-40页 |
| ·Classification of Adverbial Connectors | 第21-34页 |
| ·Semantic Classifications | 第21-27页 |
| ·Functional Classifications | 第27页 |
| ·Classification of Adverbial Connectors in the Present Study | 第27-34页 |
| ·Previous Studies of Adverbial Connectors | 第34-38页 |
| ·Research Questions in the Present Study | 第38-40页 |
| Chapter Three Methods and Procedures | 第40-54页 |
| ·the Methodology of Corpus-based Analysis and CIA | 第40-42页 |
| ·Corpora | 第42-47页 |
| ·A Brief Introduction to the Retrieving Software | 第47页 |
| ·the Retrieval Procedure of Adverbial Connectors in the Present Study | 第47-54页 |
| ·Determining the Search Items | 第48-49页 |
| ·Data Retrieval | 第49-50页 |
| ·Identification of Adverbial Connectors | 第50-54页 |
| Chapter Four Results and Discussion | 第54-82页 |
| ·General Study of Adverbial Connectors | 第54-63页 |
| ·Overall Frequencies of Adverbial Connectors | 第55页 |
| ·Semantic Types of Adverbial Connectors | 第55-58页 |
| ·Functional Categories of Adverbial Connectors | 第58页 |
| ·Positions of Adverbial Connectors | 第58-59页 |
| ·Relationship between the Learners' Use of Adverbial Connectors and Writing Quality | 第59-62页 |
| ·Some Possible Explanations for the General Findings | 第62-63页 |
| ·Specific Study of Adverbial Connectors | 第63-81页 |
| ·Top Ten Adverbial Connectors in CLTST3 and NSC | 第64-65页 |
| ·Adverbial Connectors Over-/underused by Chinese Learners | 第65-67页 |
| ·Top Fifteen Adverbial Connectors in the Learners' Essays across Four Different Proficiency Levels | 第67-69页 |
| ·Possible Explanations for the Leamers' Use of Individual Adverbial Connectors | 第69-81页 |
| ·Summary | 第81-82页 |
| Chapter Five Conclusion | 第82-87页 |
| ·Major Findings of the Study | 第82-83页 |
| ·Pedagogical Implications of the Study | 第83-85页 |
| ·Limitations of the Study | 第85-87页 |
| Bibliography | 第87-93页 |
| Appendix Ⅰ | 第93-95页 |
| Appendix Ⅱ | 第95-96页 |
| Appendix Ⅲ | 第96-98页 |
| Appendix Ⅳ | 第98-99页 |
| Appendix Ⅴ | 第99-101页 |
