Part 1 Unit 1 1 Finding fossil man 1 2 Spare that spider 11 3 Matterhorn man 21 4 Seeing hands 29 5 Youth 38 6 The sporting spirit 47 7 Bats 55 8 Trading standards 66 Unit 2 77 9 Royal espionage 78 10 Silicon valley 86 11 How to grow old 93 12 Banks and their customers 101 13 The search for oil 110 14 The Butterfly Effect 118 15 Secrecy in industry 128 16 The modern city 135 Unit 3144 17 A man-made disease 145 18 Porpoises 153 19 The stuff of dreams 163 20 Snake poison 170 21 William S. Hart and the early ‘Western’ film 180 22 Knowledge and progress 187 23 Bird flight 193 24 Beauty 201 Part 2 208 Unit 4 208 25 Non-auditory effects of noise 209 26 The past life of the earth 217 27 The ‘Vasa’223 28 Patients and doctors 229 29 The hovercraft 237 30 Exploring the seafloor 243 31 The sculptor speaks 251 32 Galileo reborn 257 Unit 5 263 33 Education 264 34 Adolescence 273 35 Space odyssey 281 36 The cost of government 289 37 The process of ageing 299 38 Water and the traveller 306 39 What every writer wants 312 40 Waves 320 Unit 6 325 41 Elephants 326 42 Recording an earthquake 336 43 Are there strangers in space? 341 44 Patterns of cultures 349 45 Of men and galaxies 357 46 Hobbies 363 47 The great escape 369 48 Planning a share portfolio 379 課文重點(diǎn)索引 386 語法索引 395