若关于x的方程mxm﹣2﹣m+3=0是一元一次方程,则这个方程的解是( )
A:x=0
B:x=3
C:x=﹣3
D:x=2
Our teacher always tells us ____ (not be) late for school.
— Yes. It is ____________ to hold more than one thousand people.
漫画《如此追星》中,“追星女”的行为( )