变压器着火时，应迅速（）
A.断开电源
B.停用冷却器
C.使用灭火装置灭火
D.将备用变压器投入运行
参考答案：A, B, C, D
阿米巴肝脓肿要和下列哪些疾病鉴别
A．细菌性肝脓肿
B．阿米巴痢疾
C．肠套叠
D．原发性肝癌
E．膈下脓肿
Any firefighting equipment that is carried in addition to the minimum required must（）.
A.meet the applicable standards
B.be marked as additional equipment
C.be stowed in a separate area
D.All of the above
