氨基酸进入肠黏膜上皮细胞是属于（）
A.单纯扩散
B.易化扩散
C.原发性主动转运
D.继发性主动转运
E.入胞作用
参考答案：D
— Were you at home at that time?
— No, I ______ dinner with my friends in a restaurant.
A．have
B．had
C．will have
D．was having
引起肝硬化腹水的原因，下列哪一项是错误的（）
A.血浆蛋白降低
B.肝窦内压升高
C.醛固酮、血管升压素增多
D.肝动脉与肝静脉异常吻合
E.小叶下静脉受压
