课程目录：
Lesson 1 Spare that spider 单词讲解
Lesson 1Spare that spider 课文讲解
Lesson 2 Spare that spider 单词讲解
Lesson 2 Spare that spider 课文讲解
Lesson 3 Matterhorn man 单词讲解
Lesson 3 Matterhorn man 课文讲解
Lesson 4 Seeing hands 单词讲解
Lesson 4 Seeing hands 课文讲解
Lesson 5 Youth 单词讲解
Lesson 5 Youth 课文讲解
Lesson 6 The sporting spirit 单词讲解
Lesson 6 The sporting spirit 课文讲解
Lesson 7 Bats 单词讲解
Lesson 7 Bats 课文讲解
Lesson 8 Trading standards 单词讲解
Lesson 8 Trading standards 课文讲解
Lesson 9 Royal espionage 单词讲解
Lesson 9 Royal espionage 课文讲解
Lesson 10 Silicon valley 单词讲解
Lesson 10 Silicon valley 课文讲解
Lesson 11 How to grow old 单词讲解
Lesson 11 How to grow old 课文讲解
Lesson 12 Banks and their customers 单词讲解
Lesson 12 Banks and their customers 课文讲解
Lesson 13 The search for oil 单词讲解
Lesson 13 The search for oil 课文讲解
Lesson 14 The Butterfly Effect 单词讲解
Lesson 14 The Butterfly Effect 课文讲解
Lesson 15 Secrecy in industry 单词讲解
Lesson 15 Secrecy in industry 课文讲解
Lesson 16 The modern city 单词讲解
Lesson 16 The modern city 课文讲解
Lesson 17 A man-made disease 单词讲解
Lesson 17 A man-made disease 课文讲解
Lesson 18 Porpoises 单词讲解
Lesson 18 Porpoises 课文讲解
Lesson 19 The stuff of dreams 单词讲解
Lesson 19 The stuff of dreams 课文讲解
Lesson 20 Snake poison 单词讲解
Lesson 20 Snake poison 课文讲解
Lesson 21 William S.Hart and the early‘Western’film 单词讲解
Lesson 21 William S.Hart and the early‘Western’film 课文讲解
Lesson 22 Knowledge and progress 单词讲解
Lesson 22 Knowledge and progress 课文讲解
Lesson 23 Bird flight 单词讲解
Lesson 23 Bird flight 课文讲解
Lesson 24 Beauty 单词讲解
Lesson 24 Beauty 课文讲解
Lesson 25 Non-auditory effects of noise 单词讲解
Lesson 25 Non-auditory effects of noise 课文讲解
Lesson 26 The past life of the earth 单词讲解
Lesson 26 The past life of the earth 课文讲解
Lesson 27 The ‘Vasa’ 单词讲解
Lesson 27 The ‘Vasa’ 课文讲解
Lesson 28 Patients and doctors 单词讲解
Lesson 28 Patients and doctors 课文讲解
Lesson 29 The hovercraft 单词讲解
Lesson 29 The hovercraft 课文讲解
Lesson 30 Exploring the sea-floor 单词讲解
Lesson 30 Exploring the sea-floor 课文讲解
Lesson 31 The sculptor speaks 单词讲解
Lesson 31 The sculptor speaks 课文讲解
Lesson 32 Galileo reborn 课文讲解
Lesson 32 Galileo reborn 单词讲解
Lesson 33 Education 单词讲解
Lesson 33 Education 课文讲解
Lesson 34 Adolescence 单词讲解
Lesson 34 Adolescence 课文讲解
Lesson 35 Space odyssey 单词讲解
Lesson 35 Space odyssey 课文讲解
Lesson 36 The cost of government 单词讲解
Lesson 36 The cost of government 课文讲解
Lesson 37 The process of ageing 单词讲解
Lesson 37 The process of ageing 课文讲解
Lesson 38 Water and the traveller 单词讲解
Lesson 38 Water and the traveller 课文讲解
Lesson 39 What every writer wants 单词讲解
Lesson 39 What every writer wants 课文讲解
Lesson 40 Waves 单词讲解
Lesson 40 Waves 课文讲解
Lesson 41 Training elephants 单词讲解
Lesson 41 Training elephants 课文讲解
Lesson 42 Recording an earthquake 单词讲解
Lesson 42 Recording an earthquake 课文讲解
Lesson 43 Are there strangers in space 单词讲解
Lesson 43 Are there strangers in space 课文讲解
Lesson 44 Patterns of culture 单词讲解
Lesson 44 Patterns of culture 课文讲解
Lesson 45 Of men and galaxies 单词讲解
Lesson 45 Of men and galaxies 课文讲解
Lesson 46 Hobbies 单词讲解
Lesson 46 Hobbies 课文讲解
Lesson 47 The great escape 单词讲解
Lesson 47 The great escape 课文讲解
Lesson 48 Planning a share portfolio 单词讲解
Lesson 48 Planning a share portfolio 课文讲解
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