| 序号 | 听 力 主 题 | 试听 |
| 1 |  Lesson 1 Finding Fossil man |  |
| 2 | Lesson 2 Spare that spider | |
| 3 | Lesson 3 Matterhorn man | |
| 4 | Lesson 4 Seeing hands | |
| 5 | Lesson 5 Youth | |
| 6 | Lesson 6 The sporting spirit | |
| 7 | Lesson 7 Bats | |
| 8 | Lesson 8 Trading standards | |
| 9 | Lesson 9 Royal espionage | |
| 10 | Lesson 10 Silicon valley | |
| 11 | Lesson 11 How to grow old | |
| 12 | Lesson 12 Banks and their customers | |
| 13 | Lesson 13 The search for oil | |
| 14 | Lesson 14 The Butterfly Effect | |
| 15 | Lesson 15 Secrecy in industry | |
| 16 | Lesson 16 The modern city | |
| 17 | Lesson 17 A man-made disease | |
| 18 | Lesson 18 Porpoises | |
| 19 | Lesson 19 The stuff of dreams | |
| 20 | Lesson 20 Snake poison | |
| 21 | Lesson 21 William S. Hart and the early ‘Western | |
| 22 | Lesson 22 Knowledge and progress | |
| 23 | Lesson 23 Bird flight | |
| 24 | Lesson 24 Beauty | |
| 25 | Lesson 25 Non-auditory effects of noise | |
| 26 | Lesson 26 The past life of the earth | |
| 27 | Lesson 27 The ‘Vasa’ | |
| 28 | Lesson 28 Patients and doctors | |
| 29 | Lesson 29 The hovercraft | |
| 30 | Lesson 30 Exploring the sea-floor | |
| 31 | Lesson 31 The sculptor speaks | |
| 32 | Lesson 32 Galileo reborn | |
| 33 | Lesson 33 Education | |
| 34 | Lesson 34 Adolescence | |
| 35 | Lesson 35 Space odyssey | |
| 36 | Lesson 36 The cost of government | |
| 37 | Lesson 37 The process of ageing | |
| 38 | Lesson 38 Water and the traveler | |
| 39 | Lesson 39 What every writer wants | |
| 40 | Lesson 40 Waves | |
| 41 | Lesson 41 Training elephants | |
| 42 | Lesson 42 Recording an earthquake | |
| 43 | Lesson 43 Are there strangers in space? | |
| 44 | Lesson 44 Patterns of culture | |
| 45 | Lesson 45 Of men and galaxies | |
| 46 | Lesson 46 Hobbies | |
| 47 | Lesson 47 The great escape | |
| 48 | Lesson 48 Planning a share portfolio | |
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