br/>Acknowledgements Chapter OneIntroduction 1.1Research orientation 1.2Remaining issues of the existing studies 1.3Rationale of the present study 1.4Objective of the present study 1.5Methodology of the current study 1.6Outline of the book Chapter TwoLiterature Review 2.1Introduction 2.2Terminological diversity 2.3Definitions of metadiscourse 2.3.1Existing definitions of metadiscourse 2.3.2Working definition of metadiscourse 2.4Diversified taxonomies of metadiscourse 2.4.1Meyers classification 2.4.2Lautamattis classification 2.4.3Williams classification 2.4.4Vande Kopples classification 2.4.5Crismore et al.s classification 2.4.6Hylands taxonomy 2.4.7Rahmans classification 2.5Theoretical studies on metadiscourse 2.5.1Communicative perspective 2.5.2Sociolinguistic perspective 2.5.3Psycholinguistic perspective 2.5.4Functional perspective 2.5.5Cognitive perspective 2.5.6Rhetorical perspective 2.6Summary Chapter ThreeResearch Methodology and Data Collection 3.1Introduction 3.2Research methodology of the present study 3.3Data collection of the current study 3.4Description of the data 3.5Summary Chapter FourConceptual Framework:An Adaptation-Relevance Model 4.1Introduction 4.2Adaptation Theory 4.2.1Adaptation 4.2.2Context in Adaptation Theory 4.2.3Metapragmatic awareness 4.3Relevance Theory 4.3.1Two pairs of concepts in Relevance Theory 4.3.2Context in Relevance Theory 4.4Relevance-Adaptation Model proposed by Yang Ping 4.5Adaptation-Relevance Model proposed by Ran Yongping 4.6An Enriched Adaptation-Relevance Model of Metadiscourse in Academic Lectures 4.6.1Description of the model 4.6.2Features of the model 4.6.3Significance of the model 4.7Summary Chapter Fivenetadiscourse in Academic Lectures:An Adaptation-Relevance Account 5.1Introduction 5.2Occurence of metadiscourse in academic lectures 5.2.1Metatext (text-about-text management) in academic lectures 5.2.2Metadiscourse (text-about-discourse management)in academic lectures 5.3Contextual adaptation of metadiscourse in academic lectures 5.3.1Adaptation to linguistic reality 5.3.2Adaptation to psychological motivations 5.3.3Adaptation to social conventions 5.4Relevance-searching of metadiscourse in academic lectures 5.4.1Contextual effect / processing effort distinction and metadiscourse in academic lectures 5.4.2Explicit / implicit distinction and metadiscourse in academic lectures 5.4.3Conceptual / procedural distinction and metadiscourse in academic lectures 5.5Metadiscourse in academic lectures as choice of both making adaptations and searching for relevance 5.5.1Adaptation-relevance as a feature of metadiscourse choice 5.5.2On-line adaptations-making and relevance-searching in metadiscourse choice 5.5.3Adaptations-making and relevance-searching as strategy in metadiscourse choice 5.6Summary Chapter SixRole of metadiscourse in Academic Lectures Revisited 6.1Introduction 6.2Role of metadiscourse in past studies 6.3Role of metadiscourse in academic lectures:a revisit 6.3.1Significance of a revisit of the role of metadiscourse 6.3.2Role of metadiscourse in academic lectures within the enriched Adaptation-Relevance Model 6.4“Metadiscourse awareness” in academic lectures 6.5Summary Chapter SevenA Detailed Analysis of the Role of Metadiscourse in Three Full Texts of Academic Lecture 7.1Introduction 7.2Types of metadiscourse in the three academic lectures 7.2.1Metatext (text-about-text management) in the three academic lectures 7.2.2Metadiscourse (text-about-discourse management) in the three academic lectures 7.3Role of the metadiscourse in the three academic lectures 7.4Summary Chapter EightRole of Metadiscourse and Metadiscourse Awareness:Possible Pedagogical Implications 8.1Introduction 8.2Possible implications for FLT 8.3Possible implications for teacher training 8.4Possible implications for curriculum design 8.5Summary Chapter NineConclusion 9.1Introduction 9.2Summary of the major findings 9.3Limitations of the present study 9.4Suggestions for further researches Appendix Lecture OneCognitive Semantics:The Basic mechanism of Thought (1) Lecture TwoCognitive Semantics:The Basic mechanism ofThought (2) Lecture ThreeThe Neural Theory of Language Bibliography