其诊断首先应考虑
A.股骨颈骨折
B.股骨粗隆间骨折
C.骨盆骨折
D.髋关节前脱位
E.髋关节后脱位
参考答案:E
The students in the higher grades _______ I met in a football game are my good friends now. [ ]
A. when
B. which
C. who
低温克劳斯工艺较克劳斯工艺对风气比的要求()。
A、较低
B、更严格
C、一样
D、不一定