下列各项中,属于各种账务处理程序之间主要区别的是()。
A. 填制记账凭证的直接依据不同
B. 登记总分类账的依据和方法不同
C. 编制财务报表的直接依据不同
D. 登记明细分类账的依据和方法不同
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Which three tasks can be performed using a duplicate database? ()(Choose three.)
A. Testing the backup and recovery procedures
B. Testing the upgrade of an Oracle database to a new release
C. Testing the effect of an application changes on database performance
D. Continuously updating archive log files from the target database to support failover
飞行管理计算机导航数据库有效期()
A. 30天
B. 18天
C. 28天
D. 56天
To prevent the spread of fire by conduction, you should ().
A. cool the bulkheads around the fire
B. remove combustibles from direct exposure
C. close all openings to the area
D. shut off all electric power