缴费单位在发生()等情形时,应当及时向原社会保险登记机构申请办理注销社会保险登记。
A.股票上市
B.解散
C.破产
D.合并
参考答案:B, C, D
1. We had ___________ wonderful time_________the party_______ other day.
A.a,on,the
B./,at,on
C.a,at,the
D./,on,/
架空电缆不宜超过()对。
A.100
B.200
C.300
D.400