五脏中“左升右降”是指：（）。
A、心与肾
B、脾与胃
C、肝与胆
D、肝与肺
参考答案：D
The reason why he failed is _____ he was too careless. [ ]
A. because
B. that
C. for
D. because of
肝门区的结构包括
A．肝动脉、门静脉、肝管B．肝动脉、门静脉、肝静脉C．肝动脉、肝静脉、肝管D．肝动脉、门静脉、下腔静脉E．肝动脉、肝静脉、下腔静脉
