| ABSTRACT | 第4-5页 |
| 摘要 | 第6-11页 |
| Chapter One Introduction | 第11-15页 |
| 1.1 Objectives of This Study | 第12-13页 |
| 1.2 Significance of This Study | 第13页 |
| 1.3 Organization of This Study | 第13-15页 |
| Chapter Two Literature Review | 第15-28页 |
| 2.1 Studies of Involvement Load in Different Task Types | 第15-20页 |
| 2.2 Formulaic Sequences and the Lexical Approach | 第20-28页 |
| Chapter Three Theoretical Framework | 第28-38页 |
| 3.1 Comprehensible Output Hypothesis | 第28-32页 |
| 3.2 Involvement Load Hypothesis | 第32-38页 |
| Chapter Four Research Methodology | 第38-53页 |
| 4.1 Research Design | 第38-45页 |
| 4.2 Procedures | 第45-52页 |
| 4.3 Data Collection and Processing | 第52-53页 |
| Chapter Five Data Analysis | 第53-62页 |
| 5.1 Results of the Retention of Formulaic Sequences | 第53-56页 |
| 5.2 Results of the Use of Formulaic Sequences | 第56-58页 |
| 5.3 Results of the Acquisition of Two Different Kinds of Formulaic Sequences | 第58-62页 |
| Chapter Six Discussions and Findings | 第62-73页 |
| 6.1 The Retention of Formulaic Sequences | 第62-65页 |
| 6.2 The Use of Formulaic Sequences | 第65-67页 |
| 6.3 The Acquisition of Two Different Kinds of Formulaic Sequences | 第67-69页 |
| 6.4 Implications | 第69-73页 |
| Conclusion | 第73-76页 |
| Bibliography | 第76-83页 |
| Appendices | 第83-90页 |
| Acknowledgements | 第90-91页 |
