| Chapter Ⅰ Introduction | 第1-15页 |
| §1．1 Background | 第11-13页 |
| §1．1．1 Writing problems of college students | 第11页 |
| §1．1．2 Challenge of large enrollments & large-sized class instruction | 第11页 |
| §1．1．3 Present situation of college English teaching | 第11-12页 |
| §1．1．4 Rising appeal of CMC to language teaching and learning | 第12-13页 |
| §1．2 Purpose of the research | 第13页 |
| §1．3 Outline of the thesis | 第13-15页 |
| Chapter Ⅱ EFL Writing & EFL Writing Approaches | 第15-29页 |
| §2．1 WHAT CONTRIBUTES TO A GOOD PIECE OF WRITING | 第15-18页 |
| §2．1．1 Composing elements in view of discourse theory | 第15-17页 |
| §2．1．2 Composing elements in view of genre theory | 第17-18页 |
| §2．2 contrastive rhetoric in efl writing | 第18-19页 |
| §2．3 Writing process | 第19-20页 |
| §2．4 Writing motivation | 第20-21页 |
| §2．5 Writing approaches | 第21-24页 |
| §2．5．1 Product approach | 第21-22页 |
| §2．5．2 Process approach | 第22页 |
| §2．5．3 Genre-based approach | 第22-23页 |
| §2．5．4 New trend in EFL writing instruction | 第23-24页 |
| §2．6 EFL WRITING RESEARCHES IN CHINA | 第24-29页 |
| §2．6．1 Exploring the crux for the EFL writing problem among Chinese students | 第24-26页 |
| §2．6．2 Attempting to solve the problem | 第26-29页 |
| Chapter Ⅲ CMC and Its Applications in EFL Writing | 第29-37页 |
| §3．1 Definition and classification of CMC | 第29页 |
| §3．2 CHARACTERISTICS OF CMC | 第29-30页 |
| §3．3 Introduction of threaded forum environment and its potential in EFL writing APPLICATION | 第30-31页 |
| §3．3．1 Features for effective management potential | 第30页 |
| §3．3．2 Features for users' convenience in communication | 第30-31页 |
| §3．4 CMC IN EFL WRITING CONTEXT | 第31-35页 |
| §3．4．1 Popular CMC-based writing activities | 第31-32页 |
| §3．4．2 Findings from related studies | 第32-34页 |
| §3．4．3 Limitation of these studies and some confusion | 第34-35页 |
| §3．5 Pioneer application and studies of CMC to EFL writing in China | 第35-37页 |
| Chapter Ⅳ Theoretical Framework | 第37-43页 |
| §4．1 VYGOTSKY'S SOCIOCULTURAL THEORY | 第37-38页 |
| §4．2 Input hypothesis, output hypothesis and interactionist theory | 第38-43页 |
| Chapter Ⅴ The Study | 第43-57页 |
| §5．1 Subjects | 第43页 |
| §5．2 Present customary practice in EFL writing instruction | 第43-45页 |
| §5．3 Procedure of the study | 第45-49页 |
| §5．3．1 Control group and experiment group | 第45-46页 |
| §5．3．2 Instruction design for experiment group | 第46-49页 |
| §5．4 RESEARCHING QUESTIONS | 第49-50页 |
| §5．5 DATA COLLECTION PROCEDURE | 第50-57页 |
| §5．5．1 Pretest and posttest | 第50-51页 |
| §5．5．2 Questionnaire investigation | 第51-54页 |
| §5．5．3 Other data | 第54-57页 |
| Chapter Ⅵ Data Analysis and Discussion | 第57-73页 |
| §6．1 DOES THE ON-LINE FORUM ENVIRONMENT FOSTER EFL WRITING PROFICIENCY? | 第57-66页 |
| §6．1．1 Significant increase in content and organization | 第60-62页 |
| §6．1．2 Significant lexical progress | 第62-64页 |
| §6．1．3 Insignificant results in language use and mechanics | 第64-66页 |
| §6．2 IS THE EXPERIMENT GROUP MOTIVATED TO DO ENGLISH WRITING IN ELECTRONIC FORUM ENHANCED ENVIRONMENT? | 第66-73页 |
| Chapter Ⅶ Conclusion | 第73-81页 |
| §7．1 Implications | 第73-78页 |
| §7．1．1 To design appropriate EFL writing task | 第73-74页 |
| §7．1．2 To combine grammar training into the writing process | 第74-75页 |
| §7．1．3 To improve the effectiveness of peer review | 第75-76页 |
| §7．1．4 To initiate motivating feedback | 第76页 |
| §7．1．5 To get accustomed to technological devices | 第76-77页 |
| §7．1．6 To strengthen the management | 第77页 |
| §7．1．7 To design writing-tailored interface design of discussion forum | 第77-78页 |
| §7．2 Limitations of the Present Study | 第78页 |
| §7．3 Suggestions for Further Researches | 第78-81页 |
| Bibliography | 第81-89页 |
| Appendix | 第89-104页 |
| Appendix 1: Questionnaire on the present practice of EFL writing instruction | 第89页 |
| Appendix 2: Survey on students on-line communication | 第89-90页 |
| Appendix 3: Questionnaire on EFL Writing Motivation in Electronic Forum | 第90-93页 |
| Appendix 4: Writing Tasks | 第93-98页 |
| Appendix 5: Peer Review Form | 第98-99页 |
| Appendix 6: Teacher's online Commenting Sample | 第99-100页 |
| Appendix 7: Pre- and post-test papers | 第100-101页 |
| Appendix 8: EFL Composition Profile | 第101-104页 |
