已知m,n∈R,mi-1=n+i,则复数m+ni在复平面内对应的点位于( )
A:第一象限
B:第二象限
C:第三象限
D:第四象限
Some false advertisements are taking the countryside women as their targets, because they are easy to________.
— Once a month.
六十五里面有____个十和____个一.