本书介绍第二语言习得这一学科的起源、发展，主要研究领域和研究方法，该领域的主要理论、重要发现和前沿问题。本书将注重理论与实践相结合，在介绍理论的同时，介绍内容相关研究对理论的实证研究结果，思辨西方学者提出的第二语言习得理论对中国英语教学和学习的解释力，与国内学者及教师一起思考如何探索适合中国国情的外语习得理论。

1 Introduction

1.1 What Is Second Language Acquisition

1.1.1 Defining Second Language Acquisition

1.1.2 Second Language Aequisition/SLA/L2 Acquisition vs Second/Foreign Language Learning

1.1.3 L1 vs. L2/Target Language/Foreign Language/Additional Language

1.1.4 Naturalistic vs. Instructed Learning/Learners

1.1.5 Acquisition vs. Learning

1.2 The Goals and Scopes of Second Language Acquisition

1.3 The Development of Second Language Acquisition

1.4 The Interdisciplinary Feature of Second Language Acquisition

2 An Overview of the Theories in Second Language Acquisition

2.1 What Is a Theory

2.2 What Makes a Good Theory

2.3 The Classifications of Theories in Second Language Acquisition

2.4 The Ten Observations in Second Language Acquisition

3 Some Key Issues in Second Language Acquisition

3.1 Contrastive Analysis (CA)

3.2 Error Analysis (EA)

3.2.1 The Significance of Laarner's Errors

3.2.2 The Procedures in Conducting EA

3.2.3 The Limitations of Error Analysis

3.2.4 A New Direction in Error Analysis

3.3 Interlanguage (IL)

3.3.1 Defining Interlanguage

3.3.2 The Central Processes in Second Language Acquisition

3.3.3 The Characteristics of Interlanguage

3.3.4 The Evaluation of Interlanguage Research

3.4 Transfer

3.4.1 The Definition of Transfer

3.4.2 Different Explanations on Transfer

3.4.3 The Identification of Transfer

3.4.4 The Extent of Transfer

3.4.5 The Constraints on Transfer

3.5 Fossilization

3.5.1 Defining Fossilization

3.5.2 Explanations for Fossilization

3.5.3 The Five Key Issues in Fossilization

3.5.4 Data and Elicitation Measures in Fossilization Research

3.6 The "Comparative Fallacy" in Second Language Acquisition

4 Linguistic Perspective of Second Language Acquisition

4.1 Universal Grammar and Second Language Acquisition

4.1.1 The Poverty of the Stimulus

4.1.2 What Does UG Consist of

4.1.3 Universal Grammar and Second Language Acquisition

4.1.4 The Evaluation of Universal Grammar-based Approaches to Second Language Acquisition

4.2 The Monitor Theory (MT)

4.2.1 The Five Hypotheses in the Monitor Theory

4.2.2 The Evaluation of the Monitor Theory

5 Social Perspective of Second Language Acquisition

5.1 The Socio-educational Model

5.1.1 A Deion of the Socio-educational Model

5.1.2 Distinguishing Integrative and Instrumental Motivations

5.1.3 The Attitude Motivation Test Battery (AMTB)

5.1.4 The Evaluation of the Soeio-educational Model

5.2 The Acculturation Model

5.2.1 A Deion of Acculturation Model

5.2.2 Stimulus Appraisal Dimensions

5.2.3 The Evaluation of Acculturation Model

5.3 Sociocuhural Theory (SCT)

5.3.1 A General Introduction of Sociocultural Theory

5.3.2 The Applications of Sociocultural Theory in SLA

5.3.3 Zone of Proximal Development (ZPD)

5.3.4 ZPD-related L2 Research

5.3.5 Data Elicitation Methods in SCT

5.3.6 The Evaluation of SCT-related Research

6 Cognitive Perspectives in Second Language Acquisition

6.1 An Overview of Cognitive Theories of Second Language Acquisition

6.2 Implicit and Explicit L2 Knowledge in Second Language Acquisition

6.2.1 Distinguishing Implicit and Explicit Knowledge

6.2.2 Three Interface Hypotheses

6.2.3 The Measurement of Implicit and Explicit Knowledge

6.3 Information Processing Model

6.3.1 A General Introduction to Information Processing Model

6.3.2 The Evaluation of Information Processing Model

6.4 Connectionism and SLA

6.4.1 The Working Mechanisms in Connectionism

6.4.2 Connectionism in Second Language Acquisition

6.4.3 The Evaluation of Connectionism in SLA

6.5 The Competition Model

6.5.1 A General Introduction to the Competition Model

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