声明
List of Abbreviations
Chapter One Introduction
1.1 Background of the Study
1.2 Purpose and Significance of the Study
1.3 Structure of the Study
Chapter Two Literature Review
2.1 Definition of Teacher Talk
2.2 Categories of Teacher Talk
2.3 Features of Teacher Talk
2.3.1 Formal Features of Teacher Talk
2.3.2 Functional Features of Teacher Talk
2.4 Related Studies on Teacher Talk
2.4.1 Discourse Analysis of Teacher Talk
2.4.2 Syntactic Analysis of Teacher Talk
2.4.3 Conversational Analysis of Teacher Talk
2.4.4 Lexical Analysis of Teacher Talk
2.5 Summary
Chapter Three Theoretical Bases for the Present Study
3.1 Input Hypothesis
3.2 Noticing Hypothesis
3.3 Theories of Vocabulary Acquisition
3.3.1 Width and Depth of Vocabulary
3.3.2 Lexical Richness and Vocabulary Acquisition
3.3.3 Lexical Frequency and Vocabulary Acquisition
3.4 Corpus Linguistics
3.4.1 Corpus and Corpus-based Research
3.4.2 Vocab-profiler and Teacher Talk Research
Chapter Four Research Methodology
4.1 Research Purpose and Questions
4.2 Participants
4.3 Instruments
4.3.1 Voice Recorder And Transcriber
4.3.2 Vocab-profiler
4.3.3 Interview
4.4 Data Collecting Procedure
4.4.1 Selection of Participants
4.4.2 Preparatory Work
4.4.3 Recordings of Teacher Talk
4.4.4 The Interview Work
4.5 Data Analysis Methodologies
4.5.1 Transcription of Teacher Talk
4.5.2 Building a Corpus
4.5.3 Analyzing the Data with the Aid of Vocab-profiler
Chapter Five Results, Discussions and Implications
5.1 Results of Research Question One
5.2 Results of Research Question Two
5.2.1 TTR of Chinese English Teachers’ Talk
5.2.2 Vocabulary Frequency Distribution
5.2.3 Lexical Density of Chinese English Teachers’ Talk
5.3 Results of Research Question Three
5.4 Discussions
5.4.1 Comprehensibility of Chinese English Teachers’ Talk
5.4.2 Lexical Richness of Chinese English Teachers’ Talk
5.4.3 L1 Use in English Teachers’ Talk
5.5 Implications
Chapter Six Conclusion
6.1 Findings
6.2 Limitations of the Study
6.3 Suggestions for Future Studies
致谢
参考文献
AppendixⅠSamples of Teacher Talk in College English Class
Appendix Ⅱ The Questions of Interview
Academic Achievements
