Table of Contends Part 1 The Outline of Educational Technology 7 Unit 1 The basic concepts of Educational Technology 7 Text A What is Educational technology? 8 Text B Perspectives and meaning of educational technology 9 Text C Research Methods of Educational Technology 10 专业英语简介 15 Unit 2 The History of Educational Technology 17 Text A Research Methods of Educational Technology 17 Text B A Critical Period of Educational Technology: 1950~1970 18 Text C Current Status of Educational Technology 20 专业英语的词汇特征 23 Unit 3 The Practice and Future of Education Technology 25 Text A Four Perspectives on Educational Technology 25 Text B The professionalization of the Field 27 Text C Future Trends in Educational Technology 28 Text D Your Future in the Field 29 专业英语常见的语法现象 33 Part 2 The Theoretical Foundation of Educational Technology 36 Unit 4 Learning Theories 36 Text A The importance of learning theory to education technology 36 Text B The Behaviorist Orientation to Learning 37 Text C Cognitivism and Gagne's Model of Learning 39 Text D Constructivism 40 专业英语翻译的标准 44 Unit 5 Communication Theories 47 Text A Defining Communication 47 Text B Communication system 48 Text C Communication Theory 49 Text D Two typical models of communication theory 50 从句的翻译(Ⅰ) 55 Unit 6 Instructional Theories 58 Text A A Brief introduction to instructional theory 58 Text B Taxonomy of Educational Objectives 59 Text C Gagne's Theory of Instruction 61 Text D Elaboration Theory 62 从句的翻译(Ⅱ) 66 Unit 7 Systems Theory 68 Text A The systems view 68 Text B What is Systems Theory 69 Text C The Functions of Systems Theory 70 Text D General Systems Theory 71 被动句的翻译 75 Part 3 Media、Technology and learning 78 Unit 8 Brief Introduction to Several Media and Technologies 78 Text A Multimedia 78 Text B Hypermedia 80 Text C Interactive Media 81 Text D Virtual Reality 82 Text E Expert Systems 83 长句的翻译 88 Unit 9 Information Technology and Education 91 Text A The Informa