Lesson l Finding fossil man發(fā)現(xiàn)化石人 Lesson 2 Spare that spider不要傷害蜘蛛 Lesson 3 Matterhorn man馬特霍恩山區(qū)人 Lesson 4 Seeing hands能看見東西的手 Lesson 5 Youth青年 Lesson 6 The sporting spirit體育的精神 Lesson 7 Bats蝙蝠 Lesson 8 Trading standards貿(mào)易標(biāo)準(zhǔn) Lesson 9 Royal espionage王室諜報(bào)活動(dòng) Lesson l0 Silicon valley硅谷 Lesson ll How to grow old如何安度晚年 Lesson l2 Banks and their customers銀行和顧客 Lesson l3 The search for oil探尋石油 Lesson l4 The Butterfly Effect蝴蝶效應(yīng) Lesson l5 Secrecy in industry工業(yè)中的秘密 Lesson l6 The modern city現(xiàn)代城市 Lesson l7 A man,made disease人為的疾病 Lesson l8 Porpoises海豚 Lesson l9 The stuff of dreams話說夢(mèng)的本質(zhì) Lesson 20 Snake poison蛇毒 Lesson 2 1 William S.Hart and theearly‘Western’film威廉·S·哈特和早期的“西部”影片 Lesson 22 Knowledge and progress知識(shí)和進(jìn)步 Lesson 23 Bird flight鳥的飛行方法 Lesson 24 Beauty美 Lesson 25 Non.a(chǎn)uditory effects of noise噪音的非聽覺效應(yīng) Lesson 26 The past life of the earth地球上的昔日生命 Lesson 27 The‘Vasa’“瓦薩”號(hào) Lesson 28 Patients and doctors病人與醫(yī)生 Lesson 29 The hovercraft氣墊船 Lesson 30 Exploring the sea—floor海底勘探 Lesson 31 The sculptor speaks雕塑家的語言 Lesson 32 Galileo reborn伽利略的復(fù)生 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政府的開支 Lesson 37 The process of agein9衰老過程 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訓(xùn)練大象 Lesson 42 Recording an earthquake記錄地震 Lesson 43 Are there strangers in space?宇宙中有外星人嗎? Lesson 44 Patterns of culture文化的模式 Lesson 45 0f men and galaxies人和星系 Lesson 46 Hobbies業(yè)余愛好 Lesson 47 The great escape大逃亡 Lesson 48 P1anning a share portfolio規(guī)劃股份投資 參考答案