| 摘要 | 第1-7页 |
| 英文摘要 | 第7-9页 |
| Acknowledgements | 第9-10页 |
| Table of contents | 第10-12页 |
| List of Tables and Figures | 第12-13页 |
| Chapter One INTRODUCTION | 第13-16页 |
| ·Object of the study | 第13-14页 |
| ·Significance of the study | 第14-15页 |
| ·Overview of the thesis | 第15-16页 |
| Chapter Two LITERATURE REVIEW | 第16-26页 |
| ·Defining two key terms | 第16-19页 |
| ·Criticism | 第16-18页 |
| ·Conflict articles | 第18-19页 |
| ·Studies on conflict articles | 第19-20页 |
| ·Diachronic studies on criticism in academic writing | 第20-22页 |
| ·Studies on politeness strategies for enacting criticism in academic writing | 第22-24页 |
| ·Summary | 第24-26页 |
| Chapter Three THEORETICAL FRAMEWORK | 第26-31页 |
| ·Face and face-threatening acts | 第26-28页 |
| ·Strategies for doing FTAs | 第28-31页 |
| Chapter Four METHODOLOGY | 第31-39页 |
| ·Research questions | 第31页 |
| ·Data Collection | 第31-33页 |
| ·Source of the data | 第32页 |
| ·The two corpora | 第32-33页 |
| ·Data analysis | 第33-39页 |
| ·Identification of criticism | 第34-35页 |
| ·Quantification of criticism | 第35-36页 |
| ·Identification of mitigating strategies | 第36-39页 |
| Chapter Five RESULTS AND DISCUSSION | 第39-63页 |
| ·Categories of criticism in the two corpora | 第39-45页 |
| ·Types of targets | 第39-42页 |
| ·Similarities and differences in the targets between the two corpora | 第42-45页 |
| ·Mitigating strategies for enacting criticism | 第45-59页 |
| ·Categories of mitigating strategies | 第45-55页 |
| ·Similarities and differences in the use of mitigating strategies | 第55-59页 |
| ·Mitigated and unmitigated criticism | 第59-61页 |
| ·A dichotomy of criticism | 第59-60页 |
| ·Distributional differences of mitigated and unmitigated criticism | 第60-61页 |
| ·Summary | 第61-63页 |
| Chapter Six CONCLUSION | 第63-67页 |
| ·Major findings of the study | 第63-64页 |
| ·Implications of the study | 第64-65页 |
| ·Limitations of the study and Suggestions for future research | 第65-67页 |
| References | 第67-70页 |
| Appendix One | 第70-107页 |
