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Lesson 8 Trading standards貿易標準 First listen and then answer the following question 聽錄音，然 [查看詳細]
Lesson 12 Banks and their customers銀行和顧客 First listen and then answer the following question [查看詳細]
Lesson 11 How to grow old如何安度晚年 First listen and then answer the following question 聽錄音，然 [查看詳細]
Lesson 14 The Butterfly Effect蝴蝶效應 First listen and then answer the following question [查看詳細]
Lesson 13 The search for oil探尋石油 First listen and then answer the following question 聽錄 [查看詳細]
Lesson 19 The stuff of dreams話說夢的本質 First listen and then answer the following question [查看詳細]
Lesson 21 William S Hart and the early Western film威廉 S 哈特和早期限的‘西部’影片 First lis [查看詳細]
Lesson 2 Spare that spider不要傷害蜘蛛 First listen and then answer the following question 聽錄音， [查看詳細]
Lesson 15Secrecy in industry工業中的秘密 First listen and then answer the following question [查看詳細]
Lesson 16 The modern city現代城市 First listen and then answer the following question 聽錄音，然 [查看詳細]
Lesson 24 Beatuy美 First listen and then answer the following question 聽錄音，然后回答以下問題。 [查看詳細]
Lesson 7 Bats蝙蝠 First listen and then answer the following question 聽錄音，然后回答以下問題。 [查看詳細]
Lesson 17 A man-made disease人為的疾病 First listen and then answer the following question 聽 [查看詳細]
Lesson 22 Knowledge and progress知識和進步 First listen and then answer the following question [查看詳細]
Lesson 18 Porpoises海豚 First listen and then answer the following question 聽錄音，然后回答以下問題。 [查看詳細]
Lesson 23 Bird flight鳥的飛行方法 First listen and then answer the following question 聽錄音，然后回 [查看詳細]
Lesson 20 Snake poison蛇毒 First listen and then answer the following question 聽錄音，然后回答以下 [查看詳細]
Lesson 25 Non-auditory effects of noise噪音的非聽覺效應 First listen and then answer the following qu [查看詳細]
Lesson 29 The hovercraft氣墊船 First listen and then answer the following question 聽錄音，然后回 [查看詳細]
Lesson 36 The cost of government政府的開支 First listen and then answer the following question [查看詳細]
Lesson 30 Exploring the sea-floor海底勘探 First listen and then answer the following question [查看詳細]
Lesson 32 Galileo reborn伽利略的復生 First listen and then answer the following question 聽錄音， [查看詳細]
Lesson 37 The process of ageing衰老過程 First listen and then answer the following question [查看詳細]
Lesson 35 Space odyssey太空探索 First listen and then answer the following question 聽錄音，然后回 [查看詳細]
Lesson 39 What every writer wants作家之所需 First Listen and then answer the following question [查看詳細]