成人股骨颈的主要血液供应来源是
A．股圆韧带的小凹动脉
B．股骨干的滋养动脉升支
C．旋股内外侧动脉的分支
D．旋髂动脉
E．阴部内外动脉
参考答案：C
─ Please remember what he says at the meeting.
─ I’ll _______ his words.
A．write down
B．take away
C．hear from
D．think about
脊柱腰3水平损伤可引起
A．四肢硬瘫B．凹肢软瘫C．上肢软瘫，下肢硬瘫D．上肢完好，下肢软瘫E．上肢完好，下肢硬瘫
