解题式开头往往在比较庄重严肃的演讲中使用；而明旨式开头往往带有风趣特点。
参考答案：错
She asked _____ we were getting on well with our work. [ ]
A. how
B. if
C. what
D. that
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
