下列哪种细菌可在4℃生长() ["A．炭疽芽胞杆菌","B．霍乱弧菌","C．小肠结肠炎耶尔森菌","D．产气荚膜梭菌","E．鼠疫耶尔森菌"] 新型隐球菌脑膜炎常通过下列哪条途径发病() ["A．输血","B．母婴传播","C．上呼吸道侵入","D．经周围神经上行入颅内","E．经血管鞘入颅内"] 志贺菌属中，可产生Vero毒素的菌种是() ["A．A群志贺菌","B．B群志贺菌","C．C群志贺菌","D．D群志贺菌","E．A群和C群志贺菌"] 中枢神经系统的结核瘤诊断的金标准是() ["A．MRI增强扫描发现病灶周围有强化","B．CT增强扫描发现病灶周围有强化","C．脑脊液检查发现蛋白增高而糖和氯化物下降","D．病理组织学检查发现干酪样坏死的结核肉芽肿","E．胸片发现有肺结核"] 下列哪一项不是大肠埃希菌不耐热肠毒素的特性() ["A．对热不稳定","B．由两个亚单位组成","C．抗原性与霍乱弧菌肠毒素相似","D．对热稳定","E．激活腺苷酸环化酶"] 进行性多灶性白质脑病的病变最明显的部位是()