下述结构中不通过血管腔隙者为()
A．股神经
B．股动脉
C．股静脉
D．股鞘
E．股管
参考答案：A
Those who _____ others are usually _____. [ ]
A. respected; respected
B. respect; respecting
C. respected; respect
D. respect; respected
要使2.3×□+7.7×□=4.06，□里应填（ ）
A．4.06
B．40.6
C．0.0406
D．0.406
