客户欠费时间超过()时,可做销号处理。客户移动电话被销号后,不再计算各类月租费用。
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对于各营业网点对账差错等业务自动进行挂账处理,将款项挂账至()科目,次日营业网点柜员视情况进行账务调整。
A. 30100501
B. 30500501
C. 30200501
D. 22101002
If anything abnormal be found on the load change of main engine when the ship is entering in shallow waterway, before taking measuring the engineer on duty should ()
A. stop main engine immediately
B. ask the captain and the chief engineer’s permission for stopping the engine
C. initiatively inquire the bridge for the situation
D. stop engine and inform bridge
极光是由太阳发出的高速带电粒子使高层空气分子或原子激发而致的发光现象。我国的黑龙江漠河地区、新疆阿勒泰地区每年都能看到极光。
A. 正确
B. 错误
CMOS逻辑门电路中O表示开路(Open)。
A. 正确
B. 错误