The shopkeeper always gives people a smile on his face and they are very .
A:pleasant; pleased
B:pleased; pleased
C:pleasant; pleasant
D:pleased; pleasant
如图是学习战国七雄时,小明同学制作的各国位置示意图,其中秦国的位置应是( )
为什么说南北战争是美国历史上的第二次资产阶级革命?