| 1． Introduction | 第1-13页 |
| 2． Definition of Lexical Chunk | 第13-23页 |
| 2．1 Definition of Lexical Chunk | 第13-14页 |
| 2．2 Lexical Chunk as Form/Function Synthesis | 第14-18页 |
| 2．3 Lexical Chunks in Computer Analysis and Language Acquisition | 第18-23页 |
| 2．3．1 Lexical Chunks in Computer Analysis | 第18-20页 |
| 2．3．2 Lexical Chunks in Language Acquisition | 第20-23页 |
| 3． Structural Difference of Lexical Chunk | 第23-30页 |
| 3．1 Idioms and Non-standard Phrases | 第23-24页 |
| 3．2 Variability of Lexical Chunks | 第24-25页 |
| 3．3 Lexical Chunks, Collocations and Conventional Syntactic Patterns． | 第25-26页 |
| 3．4 Classification of Lexical Chunks | 第26-30页 |
| 4． Pragmatic and Discourse Functions of Lexical Chunks | 第30-42页 |
| 4．1 Lexical Chunks and Indirect Speech Acts | 第30-34页 |
| 4．1．1 Conventional and Non-Conventional Indirect Speech Acts | 第30-31页 |
| 4．1．2 Lexical Chunk Frames and Conventional Indirect Speech Acts | 第31-34页 |
| 4．2 Pragmatic Functions of Lexical Chunks in Spoken Discourse | 第34-37页 |
| 4．3 Lexical Chunks in Written Discourse | 第37-38页 |
| 4．4 Discourse Functions of Lexical Chunks | 第38-42页 |
| 5． Lexical Chunks in EFL Writing | 第42-54页 |
| 5．1 Teaching EFL Writing - Process and Product | 第42-45页 |
| 5．2 Framework of CET Written Discourse | 第45-48页 |
| 5．3 Data Analysis | 第48-54页 |
| 5．3．1 Hypothesis | 第48页 |
| 5．3．2 Data Collection | 第48-49页 |
| 5．3．3 Result and Discussion | 第49-54页 |
| 5．3．3．1 Frequency of using lexical chunks in the two different composition groups | 第49-51页 |
| 5．3．3．2 Comparison of the same type of lexical chunks in two different composition groups | 第51-52页 |
| 5．3．3．3 Correlation between lexical chunks and composition grade | 第52-54页 |
| 6． Conclusion | 第54-56页 |
| Bibliography | 第56-60页 |
| Acknowledgements | 第60-61页 |
| Published articles by the author | 第61页 |
