Excuse me, where I put my clothes? The wardrobe is full.
A.can
B.must
C.need
D.ought
答案:A
下列电离方程式,书写正确的是
A.KMnO4=K++Mn7++4O2-
B.NaHCO3=Na++H++CO32-
C.AlCl3=Al3++Cl3-
D.Al2(SO4)3=2Al3++3SO42-
治疗外感风寒挟湿之表证,宜选用()
A.厚朴
B.白豆蔻
C.苍术
D.藿香