脐带根部或脱落后的根部轻微发红，肿胀、渗液为（）
A.脐疮
B.脐血
C.脐突
D.脐湿
E.脐疝
参考答案：D
下列哪种情况不适宜做CT引导下经皮肺穿刺活检（）
A．肺内多发结节
B．大量胸腔积液
C．肺良性病变
D．严重肺气肿
E．心包囊肿
The bus was crowded with passengers going home from market, most of ________ carrying heavy bags and baskets full of fruit and vegetables they had bought there.
A．whom
B．them
C．who
D．which
