（多）5多×少
≈50×少
=左50；
（左）6×左9
≈6×左0
=多80；
（左）左0左×5
≈左00×5
=多500．
He is very stubborn, it is impossible to argue _____________ what he doesn't want to .[ ]
A. with him about
B. against him about
C. him into doing
D. him to do
先天性髋关节脱位的保守疗法仅适用于1岁以下患儿。
