吸水性能最好的铁矿石类型是（）
A、赤铁矿
B、褐铁矿
C、磁铁矿
参考答案：B
AR101显示50说明该找零器内有50元钱。（）
You should ________ these bad habits. [ ]
A. get yourself rid of
B. rid yourself of
C. get rid of yourself with
D. rid of yourself with
