下列可以用分解命令炸开的图形是()
A、圆形
B、填充的图案
C、多线
D、块
参考答案:B, C, D
My friends _______ some foreigners around the Century Park this time yesterday. [ ]
A. is showing
B. are showing
C. was showing
D. were showing
胫腓骨干骨折多发生于中下1/3交界处。()