刘蜀，女，1986年出生，博士，山东科技大学外国语学院讲师，山东省国外语言学学会理事，从事会话分析、语用学研究。在《现代外语》、《外语教学》、《山西大学学报》（哲学社会科学版）、Language in Society等国内外学术期刊发表学术论文5篇，参与教育部人文社科项目一项，参编教材一部。
目录
CHAPTER ONE INTRODUCTION
1.1 Research Object
1.2 Rationale of the Present Study
1.3 Delimitation of Delicacy
1.4 Objectives of the Present Study
1.5 Methodology of the Present Study
1.6 Significance of the Present Study
1.7 Outline of the Study
CHAPTER TWO LITERATURE REVIEW
2.1 Introduction
2.2 Requests in Pragmatics
2.2.1 Definitions of requests
2.2.2 Classifications of requests and their criteria
2.2.3 Grammatical constructions of request forms
2.2.4 Politeness related studies on requests
2.2.5 Requests in cross cultural pragmatics
2.3 Requests in Conversation Analysis
2.3.1 Request sequences
2.3.2 Grammatical designs of the requesting turn
2.3.3 Requests and directives
2.3.4 Effects of reasons/accounts of requests
2.3.5 Recruitment of assistance
2.3.6 Studies on requesting from other perspectives
2.4 Requests in Other Fields
2.5 Delicacy
2.6 Comments on the Existing Studies
2.7 Summary
CHAPTER THREE RESEARCH METHODOLOGY
3.1 Origins and Development of CA
3.1.1 Influence of Erving Goffman
3.1.2 Influence of Harold Garfinkel
3.1.3 Development and classification of CA
3.2 The Scientificity of CA
3.2.1 Naturally occurring data
3.2.2 The system of transcription
3.2.3 A quasi natural scientific approach
3.2.4 Contrastive analysis
3.2.5 Data session
3.3 Basic Notions of CA
3.3.1 Turn taking system
3.3.2 Sequence organization
3.3.3 Preference organization
3.4 Research Procedures of the Present Study
3.4.1 Observation and question formulation
3.4.2 Data collection and transcription
3.4.3 Analysis
3.5 Summary
CHAPTER FOUR DELICACY IN SEQUENCE ORGANIZATION OF REQUESTING
4.1 Delicacy in Pre expansion of Request Sequence
4.1.1 Delicacy in pre requests
