前言
Unjt 1
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
Unit 2
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
Unit 3
Lesson 17 A man-made disease人为的疾病
Lesson 18 Porpoises海豚
Lesson 19 The stuff of dreams话说梦的本质
Lesson 20 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
Unit 4
Lesson 25 Non-auditory effects of noise噪音的非听觉效应
Lesson 26 The past life of the each地球上的昔日生命
Lesson 27 The‘Vasa’“瓦萨”号
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
Unit 5
Lesson 33 Education教育
Lesson 34 Adolescence青春期
Lesson 35 Space odyssey太空探索
Lesson 36 The cost of government政府的开支
Lesson 37 The process of agein9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
Unit 6
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 0f men and galaxies人和星系
Lesson 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
