| ACKNOWLEDGEMENT | 第5-6页 |
| ABSTRACT | 第6-7页 |
| 摘要 | 第8-12页 |
| CHAPTER Ⅰ INTRODUCTION | 第12-17页 |
| 1.1 Research Background | 第12-14页 |
| 1.2 Research Significance | 第14-16页 |
| 1.2.1 Theoretical significance | 第14页 |
| 1.2.2 Practical significance | 第14-16页 |
| 1.3 Organization of the Thesis | 第16-17页 |
| CHAPTER Ⅱ LITERATURE REVIEW | 第17-36页 |
| 2.1 Definition of Core Concepts | 第17-19页 |
| 2.1.1 Directives | 第17-18页 |
| 2.1.2 Teachers’ instructional directives | 第18-19页 |
| 2.2 Theoretical Framework | 第19-22页 |
| 2.2.1 Speech act theory | 第19-21页 |
| 2.2.2 Comprehensible input hypothesis | 第21-22页 |
| 2.3 Research on Teachers’ Instructional Directives at Home and Abroad | 第22-36页 |
| 2.3.1 Research on principles of teachers’ instructional directives | 第23-27页 |
| 2.3.2 Research on forms of teachers’ instructional directives | 第27-30页 |
| 2.3.3 Research on strategies of teachers’ instructional directives | 第30-32页 |
| 2.3.4 Research on functions of teachers’ instructional directives | 第32-34页 |
| 2.3.5 Brief Summary | 第34-36页 |
| CHAPTER Ⅲ RESEARCH DESIGN | 第36-43页 |
| 3.1 Research Questions | 第36页 |
| 3.2 Research Participants | 第36-37页 |
| 3.3 Research Methods | 第37-41页 |
| 3.3.1 Classroom observation | 第38页 |
| 3.3.2 Questionnaire | 第38-40页 |
| 3.3.3 Interview | 第40-41页 |
| 3.4 Research Procedures | 第41-43页 |
| CHAPTER Ⅳ RESULTS AND DISCUSSION | 第43-74页 |
| 4.1 Results and Discussion of Classroom Observation | 第43-53页 |
| 4.1.1 Numbers and types of teachers’ instructional directives | 第43-45页 |
| 4.1.2 Forms of teachers’ instructional directives | 第45-49页 |
| 4.1.3 Strategies of teachers’ instructional directives | 第49-51页 |
| 4.1.4 Pragmatic functions of teachers’ instructional directives | 第51-53页 |
| 4.2 Results and Discussion of Questionnaires | 第53-69页 |
| 4.2.1 Students’ attitude about teachers’ instructional directives | 第53-55页 |
| 4.2.2 Students’ feedback on implementation of teachers’ instructionaldirectives | 第55-64页 |
| 4.2.3 Students’ expectations of teachers’ instructional directives | 第64-69页 |
| 4.3 Results and Discussion of Interview | 第69-74页 |
| 4.3.1 Teachers’ comprehension of instructional directives | 第69-71页 |
| 4.3.2 Teachers’ feedback on implementation of instructional directives | 第71-74页 |
| CHAPTER Ⅴ CONCLUSION | 第74-81页 |
| 5.1 Major Findings of the Study | 第74-78页 |
| 5.1.1 Current situation of teachers’ instructional directives | 第74-75页 |
| 5.1.2 Problems of teachers’ instructional directives | 第75-77页 |
| 5.1.3 Causes of the problems | 第77-78页 |
| 5.2 Implications of the Study | 第78-80页 |
| 5.3 Limitations of the Study and Suggestions for Further Study | 第80-81页 |
| REFERENCES | 第81-86页 |
| APPENDIX Ⅰ | 第86-92页 |
| APPENDIX Ⅱ | 第92-94页 |
| APPENDIX Ⅲ | 第94页 |
