一般经验认为,速动比率保持在一定比例以上,就说明企业具有偿债能力。这个比例是()。
A. 50%
B. 100%
C. 200%
D. 300%
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You have a print server that runs Windows Server 2003 Service Pack 2 (SP2). Users report that print jobs are not printing. Users also report that they do not receive any error messages. Younotice a large number of jobs in the print queue. You attempt to delete some jobs from the queue and notice that the jobs remain in the queue. You need to ensure that users can print successfully. What should you do? ()
A. Restart the Print Spooler service.
B. Pause the printer, and then restart the printer.
C. Take ownership of the printer, and then delete the print jobs.
D. Assign the Manage Documents permission to the users connected to the printer.
项目材料结算方式主要为企业内部结算和对外结算。
A. 正确
B. 错误
用氮气置换焦炉煤气管道和设备氧含量小于()%为置换合格。
A. 1
B. 0.5
C. 2