正确描述阻塞性黄疸的是（）
A.总胆红素增加
B.结合胆红素明显升高
C.非结合胆红素轻度增加
D.尿胆原增加
E.尿胆红素阴性
参考答案：A, B, C
—Where did you get these photos taken?
—It was in the countryside _______ my wife and I once worked.[ ]
A. that
B. when
C. where
D. which
下列哪项是先兆临产比较可靠的征象
A．胎动活跃B．见红C．胎儿下降感D．假临产E．尿中HCG明显增多
