Lesson 1 Finding fossil man 发现化石人
Lesson 2 Spare that spider 不要伤害蜘蛛
Lesson 3 Matterhorn man 马特霍恩山区人
Lesson 4 Seeing hands 能看见东西的手
Lesson 5 Youth 青年
Lesson 6 The sporting spirit 体育的精神
Lesson 7 Bats 蝙蝠
Lesson 8 Trading standards 贸易标准
Lesson 9 Royal espionage 王室谍报活动
Lesson 10 Silicon valley 硅谷
Lesson 11 How to grow old? 如何安度晚年?
Lesson 12 Banks and their customers 银行和顾客
Lesson 13 The search for oil 探寻石油
Lesson 14 The butterfly effect 蝴蝶效应
Lesson 15 Secrecy in industry 工业中的秘密
Lesson 16 The modern city 现代城市
Lesson 17 A man-made disease 人为的疾病
Lesson 18 Porpoises 海豚
Lesson 19 The stuff of dreams 话说梦的实质
Lesson 20 The snake poison 蛇毒
Lesson 21 William S. Hart and the early‘Western’film 威廉·S．哈特和早期的“西部”影片
Lesson 22 Knowledge and progress 知识和进步
Lesson 23 Bird flight 鸟的飞行方法
Lesson 24 Beauty 美
Lesson 25 Non-auditory effects of noise 噪音的非听觉效应
Lesson 26 The past life of the earth 地球上过去的生命
Lesson 27 The raising of the‘Vasa’ “瓦萨号”升出水面
Lesson 28 Patients and doctors 病人与医生
lesson 29 The hovercraft 气垫船
Lesson 30 Exploring the sea-floor 海底勘探
Lesson 31 The sculptor speaks 雕塑家的语言
Lesson 32 Galileo reborn 伽利略的复生
Lesson 33 Education 教育
Lesson 34 Journey through adolescence 青春的旅程
Lesson 35 Space odyssey 太空探索
Lesson 36 The cost of government 政府的开支
Lesson 37 The process of ageing 衰老过程
Lesson 38 Water and the traveller 水和旅行者
Lesson 39 What every writer wants 作家之所需
Lesson 40 Waves 海浪
Lesson 41 Training elephants 训练大象
Lesson 42 Recording an earthquake 记录地震
Lesson 43 Are there strangers in space? 宇宙中有外星人吗?
Lesson 44 Patterns of culture 文化的模式
Lesson 45 Of men and galaxies 人和星系
[esson 46 Hobbies 业余爱好
Lesson 47 The great escape 大逃亡
Lesson 48 Planning a share portfolio 规划股份投资
第四册旧版课文词汇
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