ContentsAbstract..........................................................................................................................I摘 要...........................................................................................................................IIIntroduction...................................................................................................................11 Background of Graded Reading Materials.................................................................31.1 Definition of Graded Reading Materials...........................................................31.2 Origin and Development of Graded Reading Materials....................................42 Comparison of Graded Reading at Home and Abroad...............................................72.1 System and Standard of Graded Reading..........................................................72.2 Current Situation of Graded Reading..............................................................113 Application Effects of Graded Reading Materials in Primary English Teaching....143.1 Improvement of Language Ability..................................................................153.2 Improvement of Cultural Understanding.........................................................163.3 Improvement of Thinking Ability...................................................................173.4 Improvement of Learning Ability....................................................................184 Suggestions on the Application of English Graded Reading Materials in Primary English Teaching.........................................................................................................194.1 Selection of Graded Reading Materials...........................................................194.2 Application Principles of Graded Reading Materials......................................20Conclusion.............