| Acknowledgements | 第1-5页 |
| Contents | 第5-7页 |
| 内容摘要 | 第7-8页 |
| Abstract | 第8-11页 |
| Chapter One Introduction | 第11-16页 |
| ·Rationale of the Present Study | 第11-13页 |
| ·Objectives of the Present Study | 第13-15页 |
| ·Organization of the Thesis | 第15-16页 |
| Chapter Two Literature Review | 第16-27页 |
| ·Defining TBLT | 第16-20页 |
| ·Definitions of "tasks" | 第16-18页 |
| ·Other concept related to TBLT | 第18-20页 |
| ·Components of a task | 第20-22页 |
| ·Types of Tasks for College English | 第22-25页 |
| ·Problems Existing in Understanding TBLT | 第25-27页 |
| Chapter Three Theoretical Preliminaries | 第27-47页 |
| ·The Initiation of Speech Act Theory | 第27-33页 |
| ·Austin's distinction between "constatives" and "performatives" | 第27-30页 |
| ·Austin's classification of Speech Acts | 第30-32页 |
| ·Austin's categorization of illocutionary acts | 第32-33页 |
| ·The Development of Speech Act Theory | 第33-40页 |
| ·J.L.Searle's contribution to Speech Act Theory | 第33-40页 |
| ·Other scholars' inputs | 第40页 |
| ·SAT:A Theory for CET | 第40-47页 |
| ·The development of CET in China | 第40-44页 |
| ·SAT as an important theory for CET | 第44-47页 |
| Chapter Four Speech Act Theory and TBLT | 第47-53页 |
| ·Tasks and Speech Acts | 第47-49页 |
| ·Framework of SAT for TBLT in CET | 第49-53页 |
| ·Form focus in TBLT and guarantee of locutionary act | 第49-51页 |
| ·Illocutionary act and the core of implementating tasks | 第51页 |
| ·Task-based assessment and the test of perlocutionary act | 第51-53页 |
| Chapter Five Principles of TBLT and Their Use in CET | 第53-66页 |
| ·A Feasibility Study of TBLT in a College Classroom | 第53-54页 |
| ·Principles of Designing Tasks in Terms of SAT for CET | 第54-58页 |
| ·Teaching Procedures of TBLT in College English Classes | 第58-61页 |
| ·A Sample | 第61-66页 |
| Chapter Six Conclusions | 第66-70页 |
| ·Key Research Findings | 第66-67页 |
| ·Implications of the Research | 第67-69页 |
| ·Accordance with communicative competence development | 第67-68页 |
| ·Corresponding cognitive leaming styles | 第68页 |
| ·Expanding explanation of SAT in foreign language teaching | 第68-69页 |
| ·Limitations and proposals | 第69-70页 |
| ·Limitations of this study | 第69页 |
| ·Proposals for further studies | 第69-70页 |
| Note | 第70-71页 |
| References | 第71-73页 |
