CT平扫，常呈等密度表现的病变为() ["A．血管瘤","B．肝内胆管结石","C．肝脓肿","D．局灶性结节增生","E．肝腺瘤"]
关于转移性肝癌，下列描述哪项是错误的() ["A．腺癌和内分泌肿瘤的转移，易坏死","B．原发瘤多位于消化道","C．少有合并肝硬化者","D．门脉主干常有癌栓","E．其肝动脉供血量常不及原发性肝癌"]
能自己坐起来。躺下去，会拍手的月()能发出“爸爸，妈妈”等复音的月龄()大声发笑的月龄是() ["A．2个月","B．4个月","C．6个月","D．7个月","E．8个月"]
CT平扫，肝脏密度一致性减低，最可能的诊断是() ["A．血色病","B．肝脓肿","C．弥漫性肝癌","D．肝淋巴瘤","E．脂肪肝"]
食管正常，有瘘与气管相通()食管上、下两段皆与气管相通()食管上、下两段闭锁，无瘘与气管相通()食管上段闭锁，下段有瘘与管相通() ["A．I型食管闭锁","B．Ⅱ型食管闭锁","C．Ⅲ型食管闭锁","D．Ⅳ型食管闭锁","E．V型食管闭锁"]
房间隔缺损()法洛四联症()室间隔缺损()
