内幕信息是指在证券交易活动中,涉及公司的经营、财务或对该公司证券的市场价格有重大影响的尚未公开的信息。( )
参考答案:对
During which condition should the operator of a pedestal crane shutdown operations?()
A.Lightning
B.High winds
C.Fire aboard
D.All of the above
多型现象