梗阻性黄疸时,BUS显示肝内胆管扩张,胆总管直径2cm,进一步明确梗阻部位的检查是
A.放射性核素胰腺扫描
B.低张十二指肠造影
C.PTC
D.ERCP
E.MRl
参考答案:C
—Since you’ve tried your best, I’d like to give you one more chance.
—Thank you so much!
A.As soon as
B.Because
C.When
D.As long as
在足球比赛中,进2个球可记作+2,那么失2个球可记作______.