Cici enjoys dancing. It's one of her _____. [ ]
A. prize
B. prizes
C. hobby
D. hobbies
答案:D
下列溶液中无色,且在pH=1时能大量共存的是
A.CuSO4 NaCl KNO3
B.NaOH NaCl NaNO3
C.Na2SO4 KCl ZnCl2
D.K2SO4 AgNO3 NaCl
癫痫小发作的首选药是
A.氯硝西泮
B.丙戊酸钠
C.卡马西平
D.乙琥胺
E.苯妥英钠