| Acknowledgement | 第1-10页 |
| Abstract | 第10-12页 |
| 摘要 | 第12-13页 |
| 前言 | 第13-18页 |
| Chapter 1 Introduction | 第18-22页 |
| ·Research background | 第18页 |
| ·Need for the study | 第18-20页 |
| ·Overview of the thesis | 第20-22页 |
| Chapter 2 Literature Review | 第22-41页 |
| ·Oral Fluency | 第22-26页 |
| ·L1 Fluency | 第22-23页 |
| ·L2 oral fluency | 第23-26页 |
| ·An operational definition of L2 oral fluency | 第26页 |
| ·The interpretative models of fluency development | 第26-31页 |
| ·Levelt's Model of Speech Production | 第26-29页 |
| ·Anderson's ACT* Model | 第29-31页 |
| ·Empirical researches on oral fluency | 第31-36页 |
| ·Fluency indices employed in the present study | 第36-37页 |
| ·Integrating fluency indices with Levelt's Model and Anderson's Model | 第37-39页 |
| ·Summary | 第39-41页 |
| Chapter 3 Research Design and Methodology | 第41-52页 |
| ·Goal of research | 第41页 |
| ·Research design | 第41-43页 |
| ·Investigative approach | 第41-42页 |
| ·Research site | 第42页 |
| ·Subjects | 第42-43页 |
| ·Instruments | 第43-45页 |
| ·Oral English production: picture-story narration | 第43-44页 |
| ·Necessary Events Questionnaire | 第44-45页 |
| ·COOL EDIT Software | 第45页 |
| ·SPSS 13.0 | 第45页 |
| ·Procedure of the research | 第45页 |
| ·Data collection and analysis | 第45-52页 |
| ·Necessary events of the picture story | 第45-46页 |
| ·Subjects' oral production | 第46-52页 |
| ·Data collection | 第46页 |
| ·Data preparation | 第46-51页 |
| ·Identification of pauses and calculation of the temporal indices | 第47-49页 |
| ·Identification of errors, T-units and c-units and calculation of the linguistic indices | 第49-50页 |
| ·Identification of repairs and calculation of the performing indices | 第50-51页 |
| ·Data analysis | 第51-52页 |
| Chapter 4 Results and Discussion | 第52-85页 |
| ·Quantitative results | 第52-61页 |
| ·Temporal indices | 第52-55页 |
| ·Speaking rate (SR) | 第52-53页 |
| ·Articulation rate (AR) | 第53-54页 |
| ·Mean length of run (MLR) | 第54页 |
| ·Phonation/time ratio (PTR) | 第54-55页 |
| ·Average length of pause (ALP) | 第55页 |
| ·Content index (Ratio of reported necessary events, RNE) | 第55-56页 |
| ·Linguistic indices | 第56-57页 |
| ·Ratio of error-free T-units (REFT) | 第56页 |
| ·Mean length of c-units after pruning (MLCP) | 第56-57页 |
| ·Subordinate clauses per T-unit(SCT) | 第57页 |
| ·Performing indices | 第57-59页 |
| ·Repairs per 100 syllables (R100) | 第57-58页 |
| ·Ratio of reformulation and replacements (RRR) | 第58-59页 |
| ·Ratio of pruned length (RPL) | 第59页 |
| ·Summary of the quantitative results | 第59-61页 |
| ·Qualitative results | 第61-74页 |
| ·Pauses | 第61-66页 |
| ·Use of lexical phrases | 第66-70页 |
| ·Lexical richness | 第70-73页 |
| ·Lexical variation | 第71-72页 |
| ·Lexical accuracy | 第72-73页 |
| ·Past tense marking | 第73-74页 |
| ·Summary of the quantitative results | 第74页 |
| ·Discussion of results | 第74-84页 |
| ·Development in L2 fluency in terms of temporal indices | 第75-79页 |
| ·Development in L2 fluency as revealed by average length of pause (ALP) and phonation/time ratio (PTR) | 第75-76页 |
| ·Development of L2 oral fluency as revealed by speaking rate (SR) and mean length of run (MLR) | 第76-78页 |
| ·Development of L2 oral fluency as revealed by articulation rate (AR) | 第78-79页 |
| ·Development of L2 oral fluency in terms of content index | 第79-80页 |
| ·Development of L2 oral fluency in terms of linguistic indices | 第80-82页 |
| ·Development of L2 oral fluency as revealed by subordinate-clauses per T-unit (SCT) and mean length of c-unit after pruning (MLCP) | 第80-81页 |
| ·Development of L2 oral fluency as revealed by ratio of error-free T-units (REFT) | 第81-82页 |
| ·Development of L2 oral fluency in terms of performing indices | 第82-84页 |
| ·Development of L2 oral fluency as revealed by ratio of reformulation and replacements to total repairs (RRR) | 第82-83页 |
| ·Development of L2 oral fluency as revealed by the number of repairs per 100 syllables (R100) and the ratio of pruned length of total length (RPL) | 第83-84页 |
| ·Summary | 第84-85页 |
| Chapter 5 Conclusion | 第85-89页 |
| ·Major findings of the study | 第85-86页 |
| ·Some implications of the study | 第86-87页 |
| ·Limitations of the present study and recommendations for future research | 第87-89页 |
| References | 第89-95页 |
| Appendix 1 | 第95-97页 |
| Appendix 2 | 第97-98页 |
| Appendix 3 | 第98-99页 |
| Appendix 4 | 第99-101页 |
| Appendix 5 | 第101-102页 |
| Appendix 6 | 第102-104页 |
| Appendix 7 | 第104页 |
| Appendix 8 | 第104-105页 |
| Appendix 9 | 第105-116页 |
