Contents

Abstract

摘要

Chapter One Introduction-1

1.1 Background of the Study-1

1.2 Purpose and Significance of the Study-1

1.3 Research Methodology-1

1.4 Structure of the Thesis-2

Chapter Two Literature Review-3

2.1Genaral Introduction to CDA-3

2.2 Previous Studies on CDA-3

2.3 Studies on CDA Abroad and Home-3

Chapter Three Critical Discourse Analysis on News Reports about China Disaster on Washington Post-5

3.1 Lexical Classification-5

3.2 Transitivity-7

3.2.1 Material process-7

3.2.2 Verbal process-8

3.3 Modality-9

3.4Transformation-10

3.4.1 Nominalization-10

3.4.2 Passivization-11

3.5 Summary-11

Chapter Four Conclusion-13

References-14