典型霉菌球的CT表现是() ["A．肺内囊状或空洞内软组织球状阴影，可随体位移动","B．肺内单纯球状阴影","C．圆形阴影密度不均","D．圆形阴影增强明显","E．圆形阴影可见引流支气管"]
以下哪些是恶性胃溃疡的X线征象() ["A．巨大不规则溃疡，呈半月形","B．指压征、裂隙征","C．溃疡位于胃轮廓之内","D．溃疡周围环堤征","E．周围黏膜破坏、中断"]
下列哪些情况应考虑中耳癌的可能() ["A．外耳道深部或鼓室内易出血的肉芽，切除后迅速复发","B．长期慢性化脓性中耳炎出现耳内流血或脓血性分泌物","C．慢性化脓性中耳炎出现耳深部持续疼痛，不能用耳源性并发症解释","D．乳突根治术腔顽固性复发性肉芽","E．慢性化脓性中耳炎病情突然加重并出现面瘫"]
迟发皮肤过敏试验(delayedcutaneoushypersensitivityDCH)
气管支气管淋巴结属于胸内哪组淋巴结() ["A．前组脏侧","B．中组壁侧","C．中组脏侧","D．后组壁侧","E．前组壁侧"]
补体(complement)
