ile:3.9 社会科学—人类学 Anthropology.mp3 file:3.6 自然科学—地质&环境&化学 Geology& Environment& Chemistry.mp3 file:3.5 艺术—戏剧&电影&摄影 Theatre& Film& Photography.mp3 file:3.4.1 音乐舞蹈.mp3 file:3.3.1 词汇艺术—绘画&雕刻Paint&Sculpture.mp3 file:3.2.1 Listen and Read艺术-文学.mp3 file:3.16 社会科学—经济学 Economics.mp3