| Abstract | 第5-6页 |
| 摘要 | 第7-12页 |
| Chapter One Introduction | 第12-16页 |
| 1.1 Background of the Research | 第12-13页 |
| 1.2 Significance of the Research | 第13-14页 |
| 1.3 Layout of the Research | 第14-16页 |
| Chapter Two Literature Review | 第16-27页 |
| 2.1 Theoretical Studies | 第16-21页 |
| 2.1.1 Usage-based Approach to Wh-questions | 第16-19页 |
| 2.1.2 Acquisition Sequence | 第19页 |
| 2.1.3 Description of Wh-questions | 第19-21页 |
| 2.2 Empirical Studies | 第21-27页 |
| 2.2.1 Previous Studies on the Acquisition of Wh-questions at Home | 第22-23页 |
| 2.2.2 Previous Studies on the Acquisition of Wh-questions Abroad | 第23-27页 |
| Chapter Three Experiment | 第27-33页 |
| 3.1 The Form in Focus | 第27页 |
| 3.2 The Experimental Materials | 第27-28页 |
| 3.3 Subjects | 第28-31页 |
| 3.4 The Experimental Procedure | 第31页 |
| 3.5 Research Questions | 第31-33页 |
| Chapter Four Research Results | 第33-50页 |
| 4.1 Overview of the Wh-questions in Child-directed Speech | 第33-42页 |
| 4.1.1 Distribution of the Mean Length of Utterances in CDS | 第33-36页 |
| 4.1.2 Distribution of Wh-questions in CDS | 第36-42页 |
| 4.2 Overview of the Wh-questions in Child Speech | 第42-50页 |
| 4.2.1 Distribution of the Questions in Child Speech | 第42-45页 |
| 4.2.2 Distribution of Wh-questions | 第45-46页 |
| 4.2.3 The Sequence of the Acquisition of Individual Questions | 第46-50页 |
| Chapter Five Discussion | 第50-58页 |
| 5.1 Domination of Wh-questions in Child-directed Speech | 第50-52页 |
| 5.2 Children’s Production of Wh-questions | 第52-53页 |
| 5.3 Distribution Patterns of Different Wh-questions | 第53页 |
| 5.4 Factors Affecting the Acquisition Sequence of Different Wh-questions | 第53-58页 |
| 5.4.1 Language Input and its Frequency | 第54-55页 |
| 5.4.2 Conceptual Notion | 第55-56页 |
| 5.4.3 Actual Language Use | 第56-58页 |
| Chapter Six Conclusion | 第58-62页 |
| 6.1 Major Findings | 第58-59页 |
| 6.2 Pedagogical Implications | 第59-61页 |
| 6.3 Limitations of the Research | 第61-62页 |
| Bibliography | 第62-67页 |
| 攻读学位期间取得的研究成果 | 第67-68页 |
| Acknowledgements | 第68页 |
