| ACKNOWLEDGEMENTS | 第6-7页 |
| 摘要 | 第7-10页 |
| ABSTRACT | 第10-12页 |
| CHAPTER ONE INTRODUCTION | 第16-21页 |
| 1.1 Need for the Study | 第16-19页 |
| 1.2 Purpose of the Study | 第19页 |
| 1.3 Structure of the Thesis | 第19-21页 |
| CHAPTER TWO LITERATURE REVIEW | 第21-31页 |
| 2.1 Defining Key Terms | 第21-23页 |
| 2.1.1 Social network services(SNS) | 第21-22页 |
| 2.1.2 Sensitive discourse | 第22页 |
| 2.1.3 Leads | 第22-23页 |
| 2.1.4 Clickbait | 第23页 |
| 2.2 Studies Concerning Problematic Use of Online Leads | 第23-26页 |
| 2.2.1 Media studies on problematic use of online leads | 第24-25页 |
| 2.2.2 Social and psychological studies on problematic use of online leads 10 | 第25页 |
| 2.2.3 Linguistics studies on problematic use of online leads | 第25-26页 |
| 2.3 Pragmatic Studies on Language Use in Social Network Services | 第26-27页 |
| 2.4 Critical Pragmatic Analysis of Online Language Use | 第27-29页 |
| 2.5 Summary | 第29-31页 |
| CHAPTER THREE ANALYTICAL FRAMEWORK | 第31-38页 |
| 3.1 A Sketch of Critical Pragmatic Analysis | 第31-32页 |
| 3.2 The Analytical Framework Used in the Study | 第32-34页 |
| 3.3 The Theoretical Foundation of the Study | 第34-36页 |
| 3.4 Summary | 第36-38页 |
| CHAPTER FOUR METHODOLOGY | 第38-44页 |
| 4.1 Research Questions | 第38-39页 |
| 4.2 Data Collection | 第39-40页 |
| 4.3 Data Analysis | 第40-44页 |
| CHAPTER FIVE RESULTS AND DISCUSSION | 第44-78页 |
| 5.1 Use of Sensitive Leads in WeChat | 第44-56页 |
| 5.1.1 Frequency of sensitive leads and the distribution of their types | 第44-48页 |
| 5.1.2 Topic distribution of these sensitive leads and of each type | 第48-51页 |
| 5.1.3 Adapted targets of these sensitive leads | 第51-56页 |
| 5.2 Use of Sensitive Leads in Twitter | 第56-65页 |
| 5.2.1 Frequency of sensitive leads and the distribution of their types | 第56-59页 |
| 5.2.2 Topic distribution of these sensitive leads and of each type | 第59-62页 |
| 5.2.3 Adapted targets of these sensitive leads | 第62-65页 |
| 5.3 Comparing the Use of Leads in Chinese and English Social Networks | 第65-71页 |
| 5.3.1 Similarities in the use of leads between WeChat and Twitter | 第66-68页 |
| 5.3.2 Differences in the use of leads between WeChat and Twitter | 第68-71页 |
| 5.4 Discussion | 第71-76页 |
| 5.4.1 The influence of ideology and cultural background | 第72-73页 |
| 5.4.2 The influence of state regulation and interest group behind | 第73-75页 |
| 5.4.3 The influence of personal diversity and spiritual vacuity | 第75-76页 |
| 5.5 Summary | 第76-78页 |
| CHAPTER SIX CONCLUSION | 第78-84页 |
| 6.1 Major Findings of the Study | 第78-81页 |
| 6.2 Implications of the Study | 第81-83页 |
| 6.3 Limitations and Recommendations for Further Research | 第83-84页 |
| REFERENCES | 第84-94页 |
