骶髂关节在髂后上棘下方相当于（）
A.第5腰椎棘突
B.第1骶椎平面
C.第2骶椎平面
D.第3骶椎平面
E.第4腰椎平面
参考答案：C
Tom is ______ tired. He has ______ homework to do every day. [ ]
A. much too; too much
B. many too; too many
C. much too; too many
D. too many; too much
Val的分解代谢部位主要在
A．肝
B．骨骼肌
C．肾
D．血浆
