测试1答案 1
Lesson 1 Finding fossil man发现化石人 4
Lesson 2 Spare that spider不要伤害蜘蛛 13
Lesson 3 Matterhorn man马特霍恩山区人 22
Lesson 4 Seeing hands能看见东西的手 32
Lesson 5 Youth青年 40
Lesson 6 The sporting spirit体育的精神 50
Lesson 7 Bats蝙蝠 59
Lesson 8 Trading standards贸易标准 68
Lesson 9 Royal espionage王室谍报活动 75
Lesson 10 Silicon Valley硅谷 84
Lesson 11 How to grow old如何安度晚年 92
Lesson 12 Banks and their customers银行和顾客 98
Lesson 13 The search for oil探寻石油 110
Lesson 14 The Butterfly Effect蝴蝶效应 119
Lesson 15 Secrecy in industry工业中的秘密 127
Lesson 16 The modern city现代城市 135
Lesson 17 A man-made disease人为的疾病 145
Lesson 18 Porpoises海豚 155
Lesson 19 The stuff of dreams话说梦的本质 165
Lesson 20 Snake poison蛇毒 174
Lesson 21 William S.Hart and the early Western film 威廉·S·哈特和早期“西部”影片 185
Lesson 22 Knowledge and progress知识和进步 195
Lesson 23 Bird flight鸟的飞行方法 205
Lesson 24 Beauty美 215
测试2答案 226
Lesson 25 Non-auditory effects of noise噪音的非听觉效应 229
Lesson 26 The past life of the earth地球上的昔日生命 241
Lesson 27 The Vasa“瓦萨”号 251
Lesson 28 Patients and doctors病人与医生 261
Lesson 29 The hovercraft气垫船 273
Lesson 30 Exploring the sea-floor海底勘探 281
Lesson 31 The sculptor speaks雕塑家的语言 292
Lesson 32 Galileo reborn伽利略的复生 303
Lesson 33 Education教育 314
Lesson 34 Adolescence青春期 326
Lesson 35 Space odyssey太空探索 338
Lesson 36 The cost of government政府的开支 348
Lesson 37 The process of ageing衰老过程 358
Lesson 38 Water and the traveller水和旅行者 369
Lesson 39 What every writer wants作家之所需 379
Lesson 40 Waves海浪 390
Lesson 41 Training elephants训练大象 399
Lesson 42 Recording an earthquake记录地震 409
Lesson 43 Are there strangers in space?宇宙中有外星人吗？ 420
Lesson 44 Patterns of culture文化的模式 432
Lesson 45 Of men and galaxies人和星系 444
Lesson 46 Hobbies业余爱好 453
Lesson 47 The great escape大逃亡 463
Lesson 48 Planning a share portfolio规划股份投资 475