如图所示,通电螺线管的右端是_______极(填“S”或“N”);电源的右端是_______ 极(填“正”或“负”)。
S;正
Do you think this is a nice place?()
A.That's all right.
B.You're well.
C.No, it's not here.
D.Yes, I think so.
下述子宫肌瘤的CT表现,下列哪项不对()
A.子宫体积增大,可呈分叶状
B.子宫向外突出的软组织密度肿块
C.肿块内钙化
D.肿块内低密度坏死区
E.增强后密度一般较子宫肌层明显增高