| ACKNOWLEDGMENTS | 第5-6页 |
| ABSTRACT | 第6-7页 |
| 摘要 | 第8-14页 |
| CHAPTER ONE INTRODUCTION | 第14-20页 |
| 1.1 Background of the study | 第14-16页 |
| 1.2 Research questions | 第16-17页 |
| 1.3 Significance of the study | 第17-18页 |
| 1.4 Structure of the thesis | 第18-20页 |
| CHAPTER TWO LITERATURE REVIEW | 第20-38页 |
| 2.1 The nature of dou | 第20-24页 |
| 2.1.1 Dou as a distributive operator | 第21页 |
| 2.1.2 Dou as a sum operator | 第21-22页 |
| 2.1.3 Dou as a universal quantifier | 第22-24页 |
| 2.2 The exhaustivity feature of dou | 第24-26页 |
| 2.3 Universal quantifiers and negation | 第26-28页 |
| 2.3.1 Universal quantifiers and negation in English | 第26-27页 |
| 2.3.2 Universal quantifiers and negation in Mandarin Chinese | 第27-28页 |
| 2.4 Acquisition studies | 第28-37页 |
| 2.4.1 Acquisition studies on exhaustivity | 第28-31页 |
| 2.4.3 Acquisition studies on negation | 第31-33页 |
| 2.4.4 Acquisition studies on scope relation between universal quantifiers and negation | 第33-37页 |
| 2.5 Summary | 第37-38页 |
| CHAPTER THREE METHODOLOGY | 第38-52页 |
| 3.1 Subjects | 第38-47页 |
| 3.1.1 Specific Language Impairment (SLI) Group | 第38-41页 |
| 3.1.2 Typically-Developing Age-Matched (TDA) group | 第41-42页 |
| 3.1.3 Typically-Developing Younger (TDY) Group | 第42-47页 |
| 3.2 Experimental design and procedure | 第47-52页 |
| 3.2.1 Design principles | 第47页 |
| 3.2.2 Materials and procedure of the first test | 第47-49页 |
| 3.2.3 Materials and the procedure of the second test | 第49-52页 |
| CHAPTER FOUR RESULTS AND STATISTIC ANALYSIS | 第52-56页 |
| 4.1 Analysis of the first experiment | 第52-54页 |
| 4.2 Analysis of the second experiment | 第54-56页 |
| CHAPTER FIVE DISCUSSION | 第56-64页 |
| 5.1 Difficulties in acquiring exhaustivity of universal quantifier dou | 第56-57页 |
| 5.2 Difficulties in the interpretation of scope relation between universal quantifiers and negation | 第57-64页 |
| CHAPTER SIX CONCLUSION | 第64-66页 |
| 6.1 Findings of the research | 第64-65页 |
| 6.2 Limitations of the research | 第65-66页 |
| REFERENCES | 第66-73页 |
| APPENDICES | 第73-78页 |
| Appendix A Experiment materials for the test on exhaustivity | 第73-76页 |
| Appendix B Experiment materials for the test on scope interpretation | 第76-78页 |
