财务顾问业务是指与证券交易、证券投资活动有关的咨询、建议、策划业务。( )
A．正确 B．错误 C．放弃
参考答案：A
Before the conference, a new problem came up __________ could speak on behalf of our group.
A．that
B．who
C．which
D．how
E5016焊条焊接时，必须采用直流反接。
