未过账日记帐,可以()
A.删除
B.更改摘要、会计分录、金额、全成本等信息
C.更改会计期
D.更改货币
参考答案:A, B, C, D
民用无人驾驶航空器系统驾驶员机长合格证申请人必须在民用无人驾驶航空上训练不少于()小时的飞行训练时间?
Overhauling a fire in the living quarters on a vessel must include().
A.opening dead spaces to check for heat or fire
B.evacuation of the vessel
C.sounding the all clear signal
D.operation of the emergency generator