| Acknowledgements | 第1-5页 |
| 摘要 | 第5-7页 |
| Abstract | 第7-12页 |
| List of Tables and Figures | 第12-13页 |
| Chapter 1 Introduction | 第13-19页 |
| ·The background of the research | 第13-14页 |
| ·The call of College English Curriculum Requirements | 第13页 |
| ·Current situation of English study of 3~(rd) batch enrollment students | 第13-14页 |
| ·Adopt lexical trunk teaching to cope with the problem | 第14-17页 |
| ·From the perspective of cognitive linguistics | 第14-15页 |
| ·From the perspective of oral communication | 第15-16页 |
| ·From the perspective of learners in this research | 第16-17页 |
| ·The purpose of the study | 第17-19页 |
| Chapter 2 Theoretical Basis | 第19-24页 |
| ·Chunking theory in psychology | 第19页 |
| ·The lexical approach | 第19-20页 |
| ·Two perspectives of oral communication:communicative performance &communicative competence | 第20-21页 |
| ·Canale & Swain's communicative competence theory | 第21-24页 |
| Chapter 3 Literature Review | 第24-34页 |
| ·The definition of lexical chunks | 第24-25页 |
| ·The classification of lexical chunks | 第25-26页 |
| ·Functional aspect of lexical chunks | 第26-30页 |
| ·Cognitive studies on the influences of lexical chunks on oralcommunication | 第30-34页 |
| ·Lexical influences on speakers | 第30-33页 |
| ·Native-like fluency | 第30-32页 |
| ·Native-like selection | 第32-33页 |
| ·Lexical influences on hearers | 第33-34页 |
| Chapter 4 Methodology | 第34-38页 |
| ·Research hypothesis | 第34页 |
| ·Subjects | 第34-35页 |
| ·Experiment date | 第35页 |
| ·Research procedure | 第35-36页 |
| ·Measures of instrument | 第36-38页 |
| Chapter 5 Teaching Lexical Chunks in College English Class | 第38-48页 |
| ·Design the model for lexical chunk teaching | 第38-39页 |
| ·Details of the three stages in lexical chunk teaching model | 第39-48页 |
| ·Raise students' chunk consciousness in input | 第39-44页 |
| ·Consciousness raising and language acquisition | 第39-40页 |
| ·Consciousness raising activities employed in lexical chunk teaching | 第40-44页 |
| ·Chunk focused interaction | 第44-46页 |
| ·Retrieval check | 第46-48页 |
| Chapter 6 Results and Discussion:Quantitative Data | 第48-54页 |
| ·Test results and findings | 第48-51页 |
| ·Analysis of test results | 第51-54页 |
| Chapter 7 Results and Discussion:Qualitative Data | 第54-61页 |
| ·The effects of lexical chunk learning on English oral communication | 第54-58页 |
| ·Lexical chunk using reduces the negative transfer of one's native language | 第54-55页 |
| ·Lexical chunk using promotes appropriateness of one's utterances | 第55-56页 |
| ·Lexical chunk using makes one's speech more coherent | 第56-57页 |
| ·Lexical chunk using enables students to handle oral communication moretactfully | 第57-58页 |
| ·The interview | 第58-61页 |
| Chapter 8 Conclusion | 第61-69页 |
| ·Evaluation of lexical chunk teaching | 第61-65页 |
| ·The effects of lexical chunk teaching on communicative performance and communicative competence | 第61-63页 |
| ·Lexical chunk learning promotes thinking in English | 第63-65页 |
| ·Implications of lexical chunk teaching for the 3~(rd) batch enrollment ofNon-English majors | 第65-66页 |
| ·Problems and limitations | 第66-67页 |
| ·The problems existing in the lexical chunk teaching | 第66-67页 |
| ·The limitation of the research | 第67页 |
| ·Suggestions for further research | 第67-69页 |
| Bibliography | 第69-72页 |
| Appendices | 第72-75页 |
| Appendix 1 Oral pretest | 第72-73页 |
| Appendix 2 Oral posttest | 第73-74页 |
| Appendix 3 Assessment standard for communicative performance | 第74-75页 |
| Appendix 4 Assessment standard for communicative competence | 第75页 |
