穿出锁胸筋膜的神经是（）。
A.胸内侧神经
B.胸外侧神经
C.胸长神经
D.胸背神经
E.肋间臂神经
参考答案：B
Some parts in south China have experienced _____ this year as they did last year.
A．twice as much rain
B．rain twice as much
C．as twice much rain
D．twice rain as much
枕前位，为使胎头矢状缝与中骨盆出口前后径一致需要进行下列哪一项分娩机制()
A．衔接
B．俯屈
C．下降
D．仰伸
E．内旋转
