如图,已知△ABC,AB<BC,用尺规作图的方法在BC上取一点P,使得PA+PC=BC,则下列选项正确的是( )
A:
B:
C:
D:
My brother_____while he_______ his bike and hurt himself.
若m=2n+3,则m2﹣4mn+4n2的值是____ .
A. B. C.
D. E. F.