A:5,11,6
B:8,8,16
C:10,5,4
D:6,9,14
配平下列化学方程式① (____ )Al+(____ )HCl-(____ )AlCl3+(____ )H2② (____ )Al+(____ )Fe3O4-(____ )Fe+(____ )Al2O3 ③(____ ) N2+(____ )H2-(____ )NH3④ (____ )C2H2+(____ )O2-(____ )H2O+(____ )CO2
某革命历史题材影片中有这样一组镜头:叶挺独立团一营正在猛攻武昌城。该影片再现的是( )
The pupils in our school like reading after lunch, most of ________ seated on the grass unless it rains.