| 摘要 | 第4-6页 |
| ABSTRACT | 第6-7页 |
| Chapter One Introduction | 第11-15页 |
| 1.1 Research Background | 第11-13页 |
| 1.2 Objectives and Significance of the Study | 第13-14页 |
| 1.3 Organization of the Study | 第14-15页 |
| Chapter Two Literature Review | 第15-25页 |
| 2.1 Terminological Issues | 第15-16页 |
| 2.2 Various Definitions of Formulaic Language | 第16-17页 |
| 2.3 Various Classifications of Formul aic Language | 第17-20页 |
| 2.3.1 Structure-oriented classification | 第17-19页 |
| 2.3.2 Function.oriented classification | 第19-20页 |
| 2.4 Functions of Formulaic Language | 第20-21页 |
| 2.5 Some Representative Studies of Formulaic Language Abroad and at Home | 第21-23页 |
| 2.5.1 The representative studies of formulaic language abroad | 第21-22页 |
| 2.5.2 The representative studies of lexical chunks at home | 第22-23页 |
| 2.6 Transfer and Krashen's Input Hypothesis | 第23-25页 |
| Chapter Three Research Design | 第25-33页 |
| 3.1 Research Questions | 第25-26页 |
| 3.2 The Corpus Involved | 第26-27页 |
| 3.3 Software used | 第27-28页 |
| 3.4 Retrieval of Formulaic Language | 第28-30页 |
| 3.4.1 The criteria for the identification and retrieval of formulaic language | 第28页 |
| 3.4.2 Software extraction | 第28-29页 |
| 3.4.3 Manually filtering | 第29-30页 |
| 3.5 Reading Ease and Text Difficulty | 第30-31页 |
| 3.6 Data Collection and Analysis | 第31-33页 |
| Chapter Four Data Analysis and Discussion | 第33-53页 |
| 4.1 Comparison between Chinese EFL Learners' and Native Speakers' Use of Lexical Chunks | 第33-42页 |
| 4.1.1 The overall distribution of formulaic sequences in CLEC and LOCNESS | 第33-35页 |
| 4.1.2 The analysis of top twenty 3-word chunks in the two corpora | 第35-37页 |
| 4.1.3 The analysis of top twenty 4-word cChunks in the two corpora | 第37-39页 |
| 4.1.4 Comparison of lexical chunks in each category | 第39-42页 |
| 4.2 Functions of Formul aic Language | 第42-46页 |
| 4.3 Tendencies of Lexical chunks in Learners' Corpus | 第46-48页 |
| 4.4 Characteristics annd Deficiencies of Lexical Chunk in Learners' Language | 第48-53页 |
| Chapter Five Conclusion | 第53-61页 |
| 5.1 Major Findings | 第53-55页 |
| 5.2 Pedagogic Implications and Suggestions | 第55-59页 |
| 5.2.1 Implications and suggestions for teaching | 第56-58页 |
| 5.2.2 Implications and suggestions for learning | 第58-59页 |
| 5.3 The Limitations of the Present Study | 第59-60页 |
| 5.4 Suggestions for Further Study | 第60-61页 |
| References | 第61-65页 |
| Appendix | 第65-81页 |
| Acknowledgement | 第81-83页 |
| 作者攻读学位期间发表的学生论文目录 | 第83页 |
