1. algebra   [ji;ji] [he;he]   dai [shu;shu;shuo]   li shi   wei ji [fen;fen]   Hint Half-n-half Clue   2. botany   san [jia;jiao;jue] xue   sheng wu   zhe xue   zhi wu xue   Half-n-half Clue   3. zoology   [ji;ji] [he;he]   dong wu xue   san [jia;jiao;jue] xue   wu li   Half-n-half Clue   4. chemistry   tian wen   [de;di] zhi   [hua;hua] xue   zhe xue   Half-n-half Clue   5. history   [de;di] li   li shi   tian wen   [ji;ji] [he;he]   Half-n-half Clue   6. calculus   zhe xue   [hua;hua] xue   [de;di] li   wei ji [fen;fen]   Half-n-half Clue   7. philosophy   dong wu xue   [de;di] li   zhe xue   xin li xue   Half-n-half Clue