1. 整容术   choreography   economics   astrology   cosmetology   Hint Half-n-half Clue   2. 占星术   astrology   seismology   etiology, aetiology   ornithology   Half-n-half Clue   3. 放射学   calligraphy   radiology   ornithology   theology   Half-n-half Clue   4. 经济   telegraphy   economics   archeology, archaeology   sociology   Half-n-half Clue   5. 昆虫学   choreography   archeology, archaeology   entomology   rheology   Half-n-half Clue   6. 芭蕾舞蹈艺术   cosmetology   entomology   anthropology   choreography   Half-n-half Clue   7. 流变学   telegraphy   archeology, archaeology   etiology, aetiology   rheology   Half-n-half Clue