A:舜
B:禹
C:尧
D:启
马铃薯和花生都是人们喜爱的食物,它们分别属于( )
My father is a policeman. He in that station since 2008.
城市等级越高,其服务范围越广、数目越多。( )
计算.(能简算的简算)
3.25×3+1.3÷0.4