某患者肝脏声像图表现如图,提示肝脏回声不均匀致密,肝内可见一管状结构,诊断为()。
A.肝内胆管扩张
B.肝淤血
C.脐静脉重开
D.肝血管瘤
E.门脉海棉样变性
参考答案:C
—Would you mind putting out your cigarette?
—_______. I forget it's No-smoking Day. [ ]
A. Not at all
B. It doesn't matter
C. Yes, please
D. Just a little
1929~1933年资本主义世界经济危机的实质是…( )
A.生产与销售之间的矛盾激化
B.金融市场不稳定
C.工农业生产比例失调
D.资本主义制度基本矛盾的总爆发