新概念四册成人拓展【48节】，百度网盘分享

lesson 1 finding fossil man_知识拓展（成人版）.mp4 [38.18M]

lesson 10 silicon valley_知识拓展（成人版）.mp4 [9.32M]

lesson 11 how to grow old_知识拓展（成人版）.mp4 [25.41M]

lesson 12 banks and their customers_知识拓展（成人版）.mp4 [17.88M]

lesson 13 the search for oil_知识拓展（成人版）.mp4 [23.42M]

lesson 14 the butterfly effect_知识拓展（成人版）.mp4 [14.45M]

lesson 15 secrecy in industry_知识拓展（成人版）.mp4 [19.86M]

lesson 16 the modern city_知识拓展（成人版）.mp4 [9.13M]

lesson 17 a man-made disease_知识拓展（成人版）.mp4 [51.46M]

lesson 18 porpoises_知识拓展（成人版）.mp4 [10.11M]

lesson 19 the stuff of dreams_知识拓展（成人版）.mp4 [71.32M]

lesson 2 spare that spider_知识拓展（成人版）.mp4 [9.63M]

lesson 20 snake poison_知识拓展（成人版）.mp4 [10.78M]

lesson 21 william s.hart and the early‘western’film_知识拓展（成人版）.mp4 [51.04M]

lesson 22 knowledge and progress_知识拓展（成人版）.mp4 [14.52M]

lesson 23 bird flight_知识拓展（成人版）.mp4 [61.95M]

lesson 24 beauty_知识拓展（成人版）.mp4 [10.09M]

lesson 25 non-auditory effects of noise_知识拓展（成人版）.mp4 [59.61M]

lesson 26 the past life of the earth_知识拓展（成人版）.mp4 [10.53M]

lesson 27 the ‘vasa’ _知识拓展（成人版）.mp4 [81.40M]

lesson 28 patients and doctors_知识拓展（成人版）.mp4 [10.23M]

lesson 29 the hovercraft_知识拓展（成人版）.mp4 [46.37M]

lesson 3 matterhorn man_知识拓展（成人版）.mp4 [89.40M]

lesson 30 exploring the sea-floor_知识拓展（成人版）.mp4 [15.52M]

lesson 31 the sculptor speaks_知识拓展（成人版） .mp4 [81.21M]

lesson 32 galileo reborn_知识拓展（成人版）.mp4 [9.74M]

lesson 33 education_知识拓展（成人版）.mp4 [76.96M]

lesson 34 adolescence_知识拓展（成人版）.mp4 [10.44M]

lesson 35 space odyssey_知识拓展（成人版）.mp4 [78.38M]

lesson 36 the cost of government_知识拓展（成人版）.mp4 [7.41M]

lesson 37 the process of ageing_知识拓展（成人版）.mp4 [90.44M]

lesson 38 water and the traveller_知识拓展（成人版）.mp4 [11.70M]

lesson 39 what every writer wants_知识拓展（成人版）.mp4 [76.80M]

lesson 4 seeing hands_知识拓展（成人版）.mp4 [11.06M]

lesson 40 waves_知识拓展（成人版）.mp4 [24.80M]

lesson 41 training elephants_知识拓展（成人版）.mp4 [67.54M]

lesson 42 recording an earthquake_知识拓展（成人版）.mp4 [18.03M]

lesson 43 are there strangers in space_知识拓展（成人版）.mp4 [59.49M]

lesson 44 patterns of culture_知识拓展（成人版）.mp4 [13.97M]

lesson 45 of men and galaxies _知识拓展（成人版）.mp4 [56.03M]

lesson 46 hobbies _知识拓展（成人版）.mp4 [11.74M]

lesson 47 the great escape_知识拓展（成人版）.mp4 [67.59M]

lesson 48 planning a share portfolio_知识拓展（成人版）.mp4 [8.91M]

lesson 5 youth_知识拓展（成人版）.mp4 [51.71M]

lesson 6 the sporting spirit_知识拓展（成人版）.mp4 [14.76M]

lesson 7 bats_知识拓展（成人版）.mp4 [32.73M]

lesson 8 trading standards_知识拓展（成人版）.mp4 [12.57M]

lesson 9 royal espionage_知识拓展（成人版）.mp4 [32.47M]