下列不属于心包穿刺的指征是()
A.心脏压塞
B.为证实心包积液的存在
C.为明确心包积液的性质
D.心包积脓
E.心包内药物治疗
参考答案:B
皮肤不具有神经内分泌分化能力的细胞肿瘤是()
A.Merkel细胞瘤
B.鲍温病
C.类Ca
D.非典型类B
E.大细胞神经内分泌癌
Each host or router on the Internet has its own IP address. There are four IP addresses as following. Which IP address is not true ( )
A.200. 132. 112.1
B.255. 258.250.0
C.200. 173. 254..50
D.255. 252.250.0