对于胆结石性黄疽的患者,不宜先施行的是
A.手术取石
B.内科降黄治疗
C.ERCP
D.胆道穿刺引流
E.内科排石治疗
参考答案:D
—_______ is it from your home to the school?
—About ten minutes' walk.[ ]
A. How far
B. How long
C. How often
D. How soon
通常情况下,下列用品中属于导体的是( )
A.塑料直尺
B.橡胶手套
C.陶瓷勺
D.铅笔芯