CONTENTS 1
TEXT 1
Lesson 1 Life in Our English Training Class 1
Lesson 2 At the Workshop 4
Lesson 3 Temper Ourselves in Hard Work 7
Lesson 4 I Saw Chairman Mao with My Own Eyes 10
Lesson 5 The Large Electron Microscope 14
Lesson 6 Who Made Me Lose My Fingers？ 17
Lesson 7 Huang Chi-kuang 21
Lesson 8 Metals 25
Lesson 9 On the Long March with Chairman Mao 28
Lesson 10 Liuchuan Brigade Takes on a New Look 34
Lesson 11 Electromagnetic Waves 42
Lesson 12 Something about the Sun 46
Lesson 13 People of the World,Unite and Defeat the U.S.Aggressors and All Their Running Dogs 49
Lesson 14 The Priciple of Radio Communication 53
Lesson 15 Hearts of the Chinese and Soviet Peoples Are Linked 56
Lesson 16 Semiconductors 59
Lesson 17 Four More Dead and Many More to Go 62
Lesson 18 Amid the Gunfire 66
Lesson 19 Serve the People 71
Lesson 20 Where Do Correct Ideas Come from？ 75
Lesson 21 Lenin′s Scientific Method of Work 78
Lesson 22 Eugène Pottier 85
Lesson 23 New Liquid Crystals Developed 90
Lesson 24 Function of Vacuum Tubes 93
Lesson 25 Millimeter Waves 98
SUPPLEMENTARY READING 101
Lesson 1 The Miner and the Coal 101
Lesson 2 Serve the People Heart and Soul 102
Lesson 3 The Cock Crows at Midnight 103
Lesson 4 The Story of Liu Hu-lan 104
Lesson 5 Comrade Chang Szu-teh——a Great Communist Fighter 105
Lesson 6 An Old Catches Up 109
Lesson 7 China′s First Man-made Earth Satellite 111
Lesson 8 Liuchou Rectifier Plant Develops Electronics Industry by Self-Reliance 113
Lesson 9 Direct Current and Alternating Current 115
Lesson 10 The Basic Principles of Electrical Engineering 117
Lesson 11 Electronic Computers 119
Lesson 12 Classification of Radio Waves 121
Lesson 13 Reception 124
Lesson 14 The Electronic Voltmeter 126
Lesson 15 Multimeters 128
Lesson 16 Propagation of Radio Waves 130
Lesson 17 N-Type and P-Type Semiconductor 132
Lesson 18 Forward and Reverse Bias 134
Lesson 19 Learning from Tachai 136
Lesson 20 She Sings on the University Platform 138