管线扫线的原则是()
A、先扫重油线,后扫轻油线
B、先扫轻油线,后扫重油线
C、重油线和轻没线同时扫
参考答案:A
如图所示,膀胱内的异常回声,最可能的诊断为()。
A.膀胱内血块
B.膀胱肿瘤
C.膀胱内异物
D.膀胱内导尿管
E.膀胱内囊肿
-How old is your daughter ?
- . We had a special party for her party yesterday .
A. Nine , nine. B. Nine , ninth . C. Ninth , ninth .