慢性胰腺炎声像图表现,下列哪一项不正确()
A.轮廓不清
B.边界常不规则
C.实质回声增强,分布不均
D.主胰管不扩张
E.胰管内可见强回声,后方伴声影
参考答案:D
— She always keeps silent.
— ______ she was young, she talked and laughed a lot. [ ]
A. Although
B. When
C. As
D. Because
发现有人触电后,第一步应()
A.立即拔打120求救
;B.按触电急求原则,立即进行抢救;
C.使触电者脱离电源。