1. 社会学   theology   sociology   entomology   telegraphy   Hint Half-n-half Clue   2. 地震学   telegraphy   cosmetology   choreography   seismology   Half-n-half Clue   3. 经济   astrology   economics   anthropology   etiology, aetiology   Half-n-half Clue   4. 拓扑结构   accountancy   choreography   astrology   topology   Half-n-half Clue   5. 整容术   cosmetology   telegraphy   telepathy   accountancy   Half-n-half Clue   6. telepathy   telepathy   archeology, archaeology   economics   sociology   Half-n-half Clue   7. 电信法   ornithology   calligraphy   anthropology   telegraphy   Half-n-half Clue