A:Have...met; has drive
B:Had...met; was drive
C:Did...meet; had been drive
D:Have...met; had drive
商鞅变法使秦国向封建化过渡的决定性步骤是( )
组词语。
连____
丧____
链____
哀____
直____
罚____
殖____
罪____
下图为我国东南某地区等坡度线(地表坡度值相等的点连成的线)图,图中数字代表坡度(坡面与水平面的夹角)。读图,完成下列各题。