电磁铁一般起吊温度为()以下的钢材。
A、150℃
B、200℃
C、300℃
参考答案:B
–The Modern Art Exhibition in the City Museum has been canceled.
–Oh, no! ______
A.It’s a pity.
B.It doesn’t matter.
C.I knew it already.
D.It’s not interesting at all.
骨盆骨折最危险的并发症是()
A.直肠损伤
B. * * 损伤
C.膀胱损伤
D.神经损伤
E.腹膜后搏动性血肿