1. she [hui;kuai] xue   astrology   ornithology   sociology   entomology   Hint Half-n-half Clue   2. shu fa   ornithology   seismology   calligraphy   anthropology   Half-n-half Clue   3. [de;di] zhen xue   entomology   telegraphy   ornithology   seismology   Half-n-half Clue   4. fang she xue   calligraphy   rheology   accountancy   radiology   Half-n-half Clue   5. telepathy   economics   telepathy   ornithology   aeronautics   Half-n-half Clue   6. ba lei wu dao yi [shu;zhu]   choreography   topology   archeology, archaeology   telegraphy   Half-n-half Clue   7. yuan yin [lun;lun] ，yuan yin [lun;lun]   theology   choreography   telegraphy   etiology, aetiology   Half-n-half Clue