以下哪些情况下应开展隔离开关支柱绝缘子超声探伤抽检?()
A.存有此类家族缺陷
B.经历了5级以上地震
C.有异常放电声响
D.外表有破损
参考答案:A, B
The demand that the law on gun ownership _____ be changed ___ is very strong.
A.changes
B.will be changed
C.be changed
D.be changing
简要说明行政纪律责任与法律责任的区别。