| Acknowledgements | 第1-6页 |
| Abstract in English | 第6-4页 |
| Abstract in Chinese | 第4-7页 |
| Abbreviations | 第7-8页 |
| List of Tables | 第8-13页 |
| Ⅰ． Introduction | 第13-22页 |
| 1．1 Overview | 第13页 |
| 1．2 Conceptual Connections between Teacher's Class Performance and the Related Concepts in this Thesis | 第13-16页 |
| 1．2．1 References of Teacher's Class Performance | 第13页 |
| 1．2．2 Definitions of 'Teacher Talk' and 'Teacher Feedback' | 第13-14页 |
| 1．2．3 Connections between Teacher's Class Performance and all the Related Concepts | 第14-16页 |
| 1．3 Research Orientation | 第16-19页 |
| 1．3．1 Why Study Teacher's Class Performance? | 第17-18页 |
| 1．3．2 Why Attach This Study to Development of Learner's Oral Ability? | 第18-19页 |
| 1．4 Research Instruments | 第19-20页 |
| 1．5 Contents of the Remaining Chapters | 第20-22页 |
| Ⅱ． Literature review | 第22-43页 |
| 2．1 Overview | 第22页 |
| 2．2 Amount and Type of Teacher Talk | 第22-27页 |
| 2．2．1 Amount of Teacher Talk | 第23-24页 |
| 2．2．2 Allocation of Teacher Talk | 第24-25页 |
| 2．2．3 Choice of Language in Teacher Talk | 第25-26页 |
| 2．2．4 Functional Distribution of Teacher Talk | 第26-27页 |
| 2．3 Modifications of Teacher Talk | 第27-33页 |
| 2．3．1 Overall Findings on Modifications of Teacher Talk | 第27-29页 |
| 2．3．2 Modification of Speech Rate | 第29-30页 |
| 2．3．3 Modification of Phonology, Intonation, Articulation, Stress | 第30页 |
| 2．3．4 Modification of Vocabulary | 第30-31页 |
| 2．3．5 Modification of Syntax | 第31-32页 |
| 2．3．6 Modification of Discourse | 第32-33页 |
| 2．4 Teacher Questions | 第33-37页 |
| 2．4．1 Question Type | 第34-36页 |
| 2．4．2 Waiting Time | 第36-37页 |
| 2．5 Teacher Feedback | 第37-42页 |
| 2．5．1 Feedback as Comments | 第37-39页 |
| 2．5．2 Feedback as Error Treatment | 第39-42页 |
| 2．6 Conclusion | 第42-43页 |
| Ⅲ． Related Studies in China | 第43-49页 |
| 3．1 Overview | 第43页 |
| 3．2 Wu Xudong's Findings on Teacher's Class Performance | 第43-45页 |
| 3．2．1 Amount and Type of Teacher Talk | 第43-44页 |
| 3．2．2 Teacher Questions | 第44页 |
| 3．2．3 Teacher Feedback | 第44-45页 |
| 3．3 Wu Xudong's Findings on the Development of Learner's Oral Ability in Classroom Setting | 第45-46页 |
| 3．4 Studies of Some other Researchers in China | 第46-49页 |
| 3．4．1 Amount and Type of Teacher Talk | 第46页 |
| 3．4．2 Modifications of Teacher Talk | 第46-47页 |
| 3．4．3 Teacher Questions | 第47页 |
| 3．4．4 Teacher Feedback | 第47-49页 |
| Ⅳ． The Study | 第49-63页 |
| 4．1 Overview | 第49页 |
| 4．2 Research Instruments | 第49-50页 |
| 4．3 General Research Questions | 第50-51页 |
| 4．4 Interviews to Foreign Teachers | 第51-53页 |
| 4．4．1 Amount of Teacher Talk | 第51页 |
| 4．4．2 Modifications of Teacher Talk | 第51-52页 |
| 4．4．3 Teacher Questions | 第52页 |
| 4．4．4 Teacher Feedback | 第52-53页 |
| 4．5 Questionnaires to Other Teachers of English | 第53-55页 |
| 4．6 Questionnaires to Students | 第55-58页 |
| 4．7 Observations by Comparison of Two Types of Teacher's Class Performance | 第58-63页 |
| 4．7．1 The Experiment | 第58-59页 |
| 4．7．2 Comparison through Results of Oral Tests | 第59-60页 |
| 4．7．3 Comparison through Learner Feedback | 第60-63页 |
| Ⅴ． Results and Discussion | 第63-75页 |
| 5．1 Overview | 第63页 |
| 5．2 Results | 第63-71页 |
| 5．2．1 Outcomes of Interviews to Foreign Teachers | 第63-65页 |
| 5．2．2 The Beliefs of Some Other Teachers on Teacher's Class Performance | 第65-67页 |
| 5．2．3 The Learner's Expectations on Teacher's Class Performance | 第67-69页 |
| 5．2．4 Results of the Author's Observation | 第69-71页 |
| 5．3 The Similarities and Differences | 第71-75页 |
| 5．3．1 Amount and Type of Teacher Talk | 第71-72页 |
| 5．3．2 Modifications of Teacher Talk | 第72-73页 |
| 5．3．3 Teacher Questions | 第73页 |
| 5．3．4 Teacher Feedback | 第73-75页 |
| Ⅵ． Conclusion | 第75-80页 |
| 6．1 Overview | 第75页 |
| 6．2 Special Demands on Teacher's Class Performance for the Development of Learner's Oral Ability | 第75-77页 |
| 6．2．1 Teacher Talk as Input | 第75-76页 |
| 6．2．2 Teacher Talk in Communicative Classroom | 第76-77页 |
| 6．3 Applications | 第77-78页 |
| 6．4 Limitations | 第78-79页 |
| 6．4．1 Selection of Data | 第78页 |
| 6．4．2 Research Methodology | 第78-79页 |
| 6．5 Suggestions for Further Studies | 第79-80页 |
| Bibliography | 第80-84页 |
| Appendix 1: Questionnaire on Teacher's Class Performance in a Sense of Promoting Learner's Oral Ability （to teachers） | 第84-85页 |
| Appendix 2: Questionnaire on Teacher's Class Performance in a Sense of Promoting Learner's Oral Ability （to students） | 第85-86页 |
| Appendix 3: Scores of the Two Oral Tests for Class A and Class B | 第86-87页 |
| Appendix 4: Questionnaires on Teacher's Class Performance （in this term） for Promoting Oral Ability （to class A） | 第87-88页 |
| Appendix 5: Questionnaires on Teacher's Class Performance （in this term） for Promoting Oral Ability （to class B） | 第88页 |
