| Acknowledgements | 第1-4页 |
| Abstract in English | 第4-6页 |
| Abstract in Chinese | 第6-8页 |
| Contents | 第8-11页 |
| Chapter One Introduction | 第11-16页 |
| ·Research Background | 第11-14页 |
| ·An Urgent Need of Improving Business English Writing Teaching | 第11-12页 |
| ·An Urgent Need of Cooperation in the Development of Science and Society | 第12-14页 |
| ·Purpose of the Study | 第14页 |
| ·Significance of the Study | 第14-15页 |
| ·Definition of Related Terms | 第15页 |
| ·Structure of the Thesis | 第15-16页 |
| Chapter Two Literature Review | 第16-37页 |
| ·A Brief Introduction of Cooperative Learning | 第16-17页 |
| ·Different Definitions of Cooperative Learning | 第17-19页 |
| ·A Brief History of Cooperative Learning | 第19-20页 |
| ·The Major Theoretical Perspectives on Cooperative Learning &Achievement | 第20-26页 |
| ·Motivational Perspective | 第20-22页 |
| ·Social Cohesion Perspective | 第22-23页 |
| ·Developmental Perspective | 第23-24页 |
| ·Cognitive Elaboration Perspective | 第24-26页 |
| ·The Basic Elements of Cooperative Learning | 第26-30页 |
| ·Positive Interdependence | 第27-28页 |
| ·Individual (and Group) Accountability | 第28页 |
| ·Face-to-Face Group Interaction | 第28-29页 |
| ·Social Skills | 第29页 |
| ·Group Processing | 第29-30页 |
| ·Major Models of Cooperative Learning | 第30-33页 |
| ·Learning Together | 第30-31页 |
| ·Student Teams Achievement Divisions (STAD) | 第31页 |
| ·Teams— Game— Tournaments (TGT) | 第31页 |
| ·Jigsaw II | 第31-32页 |
| ·Team Accelerated Instruction (TAI) | 第32页 |
| ·Cooperative Integrated Reading and Composition (CIRC) | 第32-33页 |
| ·Group Investigation | 第33页 |
| ·The Research Status of Cooperative Learning | 第33-37页 |
| Chapter Three An Overview of Business English Writing | 第37-46页 |
| ·Business English | 第37页 |
| ·Business English Writing | 第37页 |
| ·The Characteristics of Business English Writing | 第37-46页 |
| ·The Structure Characteristics of Business Correspondence | 第38页 |
| ·The Layout of Business Correspondence | 第38页 |
| ·The Styles of Business Correspondence | 第38页 |
| ·The Stylistic Characteristics of Business Correspondence | 第38-41页 |
| ·The Perspective of Lexicon | 第39页 |
| ·The Perspective of Grammar | 第39-40页 |
| ·The Perspective of Semantics | 第40-41页 |
| ·The Writing Characteristics of Business Correspondence | 第41-44页 |
| ·The Characteristics of Business Correspondence as a Course | 第44-46页 |
| ·English Language Knowledge | 第44页 |
| ·International Business Knowledge | 第44页 |
| ·Effective Communication Skills | 第44页 |
| ·Cultural Background | 第44-46页 |
| Chapter Four Research Design and Methodology | 第46-58页 |
| ·Research Questions | 第46页 |
| ·Hypotheses | 第46页 |
| ·Rationale for the Hypothesis | 第46页 |
| ·Participants and Time Span of the Research | 第46-47页 |
| ·The Researchers" Functions in the Experiment | 第47页 |
| ·Instruments | 第47-48页 |
| ·Study Design | 第48-49页 |
| ·Stages of the Experiment | 第49-58页 |
| ·Stage One: Preparation | 第49-51页 |
| ·Stage Two: The Experiment | 第51-56页 |
| ·In the Control Class | 第51-52页 |
| ·In the Experimental Class | 第52-56页 |
| ·Stage Three: Data Collection and Data Analysis | 第56-58页 |
| ·Data Collection | 第56-57页 |
| ·Data Collection through the Pre-test and Post-test | 第56页 |
| ·Data Collection through the Questionnaire | 第56-57页 |
| ·Data Analysis | 第57-58页 |
| ·Data Analysis of the Tests | 第57页 |
| ·Data Analysis of the Questionnaire | 第57-58页 |
| Chapter Five Results of the Experiment | 第58-67页 |
| ·Results | 第58-62页 |
| ·Results from Pre-test | 第58-59页 |
| ·Results from Post-test | 第59-60页 |
| ·Results from Questionnaire | 第60-62页 |
| ·Major Achievements of Implementing CIRC into BEW Teaching | 第62-65页 |
| ·Student-centered Teaching Model | 第62-63页 |
| ·Active and Harmonious Learning Atmosphere | 第63页 |
| ·Students' Awareness of Participation | 第63-64页 |
| ·Students' Psychological Changes | 第64页 |
| ·Reform of the Students' Learning Habits | 第64-65页 |
| ·Some Problems Existing in the Experiment | 第65-67页 |
| ·Not All Students Participant in the CL activity | 第65页 |
| ·Limitation of the Classroom Facilities | 第65页 |
| ·Chaos Made from Grouping | 第65-66页 |
| ·Individual Differences among Students | 第66页 |
| ·Problems of Group Communication | 第66-67页 |
| Chapter Six Conclusion | 第67-73页 |
| ·Conclusion | 第67-68页 |
| ·Pedagogical Implications | 第68-70页 |
| ·Limitations of the Study | 第70-71页 |
| ·Recommendations for Future Research | 第71-72页 |
| ·Suggestions | 第72-73页 |
| Bibliography | 第73-76页 |
| Appendices | 第76-81页 |
| Appendix 1 | 第76-77页 |
| Appendix 2 | 第77-78页 |
| Appendix 3 | 第78-79页 |
| Appendix 4 | 第79-81页 |