To the teacher and student About this course How to use this course 致教师和学生 关于本教材的说明 本教材使用说明 Introductory test leading to Part 1 Part 1 Unit 1 Instructions to the student 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 Instructions to the student 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 Instructions to the student 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 Williams 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 Part 2 Unit 4 Instructions to the student 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 Instructions to the student 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 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 Unit 6 Instructions to the student 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 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 Appendix 1：Personal names附录1：人名中英文对照表 Appendix 2：Geographical names附录2：地名中英文对照表