| ABSTRACT | 第4-5页 |
| 摘要 | 第6-7页 |
| AKNOWLEDGEMENTS | 第7-10页 |
| LIST OF ABBREVIATION | 第10-13页 |
| CHAPTER ONE INTRODUCTION | 第13-17页 |
| 1.1 Research background and objectives | 第13-14页 |
| 1.2 Motivation and significance of the study | 第14-16页 |
| 1.3 Organization of the thesis | 第16-17页 |
| CHAPTER TWO LITERATURE REVIEW | 第17-31页 |
| 2.1 Move analysis and the structure of RA abstracts | 第17-21页 |
| 2.1.1 Move analysis | 第17-18页 |
| 2.1.2 Move structure of RA abstracts | 第18-21页 |
| 2.2 Phraseology in academic discourse | 第21-29页 |
| 2.2.1 Lexical bundles | 第21-28页 |
| 2.2.2 Phrase-frames | 第28-29页 |
| 2.3 Disciplinary variation | 第29-31页 |
| CHAPTER THREE RESEARCHMETHODOLOGY | 第31-40页 |
| 3.1 Research questions | 第31-32页 |
| 3.2 The corpora used and Corpus annotation | 第32-37页 |
| 3.3 Procedure for data collection and analysis | 第37页 |
| 3.4 Corpus tools used in the study | 第37-40页 |
| CHAPTER FOUR RESULTS AND DISCUSSION | 第40-68页 |
| 4.1 Moves in LRA abstracts | 第40-47页 |
| 4.1.1 Obligatory and optional moves | 第41-43页 |
| 4.1.2 Move sequence | 第43-45页 |
| 4.1.3 Steps in the LRAC | 第45-47页 |
| 4.2 Distribution of lexical bundles in the move sub-corpora | 第47-52页 |
| 4.2.1 Lexical bundles in the Purpose Move and the PTR Move | 第48-50页 |
| 4.2.2 Lexical bundles in the Conclusion Move and the STF Move | 第50-52页 |
| 4.3 Comparison of lexical bundles structurally and functionally | 第52-57页 |
| 4.3.1 Structures of bundles in LRAC-P and ERAC-PTR | 第53-54页 |
| 4.3.2 Structures of bundles in LRAC-C and ERAC-STF | 第54页 |
| 4.3.3 Functions of bundles in LRAC-P and ERAC-PTR | 第54-56页 |
| 4.3.4 Functions of bundles in LRAC-C and ERAC-STF | 第56-57页 |
| 4.4 The distribution of Phrase-frames | 第57-62页 |
| 4.4.1 Phrase-frames in the Purpose Move and the PTR Move | 第58-60页 |
| 4.4.2 Phrase-frames in the Conclusion Move and the STF Move | 第60-62页 |
| 4.5 Comparison of phrase frames structurally and functionally | 第62-68页 |
| 4.5.1 Structures of phrase frames in LRAC-P and ERAC-PTR | 第62-63页 |
| 4.5.2 Functions of phrase frames in LRAC-P and ERAC-PTR | 第63-65页 |
| 4.5.3 Structures of phrase frames in LRAC-C and ERAC-STF | 第65-66页 |
| 4.5.4 Functions of phrase frames in LRAC-C and ERAC-STF | 第66-68页 |
| CHAPTER FIVE CONCLUSION | 第68-74页 |
| 5.1 Summary of major findings | 第68-71页 |
| 5.2 Implications of the study | 第71-72页 |
| 5.3 Limitations and Suggestions for future research | 第72-74页 |
| REFERENCES | 第74-81页 |
| APPENDIX | 第81-85页 |
