我会动手连一连。
gāi zhōu zhàn liú páng niàn
周 站 留 旁 念 该
周zhōu 站zhàn 留liú 旁páng 念niàn 该gāi
用含4 mol HCl的浓盐酸与足量的MnO2共热,生成的氯气为( )
A.2 mol
B.1 mol
C.小于1 mol
D.小于2 mol,大于1 mol
Our plan didn't get up the ground because no one could come.
A.get over
B.get on
C.get off
D.get through