| Acknowledgments | 第1-4页 |
| Abstract | 第4-6页 |
| 摘要 | 第6-10页 |
| Chapter One Introduction | 第10-14页 |
| ·Significance of the study | 第10-13页 |
| ·Structure of the thesis | 第13-14页 |
| Chapter Two Literature Review | 第14-24页 |
| ·Classroom interaction | 第14-16页 |
| ·Input and interaction | 第16-20页 |
| ·Gass’s model of SLA | 第16-18页 |
| ·Input and the learner | 第18-19页 |
| ·Input and meaning negotiations | 第19-20页 |
| ·Output and interaction | 第20-23页 |
| ·Swain’s comprehensible output hypothesis | 第21页 |
| ·Output in the SLA process | 第21-22页 |
| ·Output and meaning negotiations | 第22-23页 |
| ·Summary | 第23-24页 |
| Chapter Three Methodology | 第24-33页 |
| ·Aims and research questions | 第24页 |
| ·Subjects | 第24页 |
| ·Instruments | 第24-26页 |
| ·Two groups in the study | 第24-25页 |
| ·Pre-test | 第25页 |
| ·Post-test | 第25页 |
| ·Questionnaire | 第25-26页 |
| ·SPSS | 第26页 |
| ·Procedure | 第26-31页 |
| ·Interactive teaching technique | 第26-27页 |
| ·The arrangement of the pre-test | 第27页 |
| ·Five communicative tasks designed in classroom teaching activities | 第27-28页 |
| ·The procedure of the teaching activities | 第28-30页 |
| ·The arrangement of the post-test and the questionnaire | 第30-31页 |
| ·Data-collection | 第31-33页 |
| Chapter Four Results and Discussion | 第33-59页 |
| ·The results of pre-test and post-test | 第33-36页 |
| ·The results of pre-test | 第33-35页 |
| ·The results of post-test | 第35-36页 |
| ·The interaction and meaning negotiations | 第36-44页 |
| ·Meaning negotiations in whole-class setting | 第39-40页 |
| ·Meaning negotiations in an interactive classroom | 第40-41页 |
| ·Meaning negotiations in both of the experimental and control groups | 第41-44页 |
| ·Interaction and the mastery of learning materials | 第44-51页 |
| ·Tasks and learning materials | 第44-45页 |
| ·The increased use of the target language | 第45-46页 |
| ·Errors in the subjects’output | 第46-47页 |
| ·Error treatment | 第47-51页 |
| ·Interaction and English learning | 第51-54页 |
| ·post-test of the overall English proficiency | 第51-52页 |
| ·Some reasons may account for the above significant differences | 第52-54页 |
| ·Students’preference towards classroom interactions | 第54-57页 |
| ·Answers to the research questions | 第57-59页 |
| Chapter Five Conclusion | 第59-62页 |
| ·Major findings | 第59页 |
| ·Pedagogical implications | 第59-61页 |
| ·Offering more opportunities for students to produce output | 第60页 |
| ·Encouraging more opportunities for classroom interaction | 第60-61页 |
| ·Limitation and recommendations | 第61-62页 |
| References | 第62-66页 |
| Appendices | 第66页 |
| Appendix One A Questionnaire on Interaction in English Classroom | 第66-67页 |
| Appendix Two Scores of four English exams of Class Three and Class Four | 第67-70页 |
