题目内容

办税厅窗口工作人员小张不能当场办理和答复纳税人的涉税事项,他应该在首问责任制的台帐上登记()。

A. 接洽时间
B. 纳税人名称、联系方式
C. 首问事项、首问责任人
D. 事项办理时限

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You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6:00 P.M. on Monday, you issue the following command: RMAN>BACKUP DATABASE; At 8:00 A.M. on Tuesday, you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP; command. Which operation should you perform before using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP; command?()

A. Start the database in the MOUNT stage.
Back up the control file to trace.
C. Set the DBID
D. Issue the RECOVER DATABASE command.

单相全控桥式整流电路在负半波内有()个晶闸管导通。

A. 1
B. 2
C. 3
D. 4

在Windows9X的"资源管理器"窗口中,其左部窗口中显示的是()。

A. 当前打开的文件夹的内容
B. 系统的文件夹树
C. 当前打开的文件夹名称及其内容
D. 当前打开的文件夹名称

信息技术的飞速发展给我国的()带来一系列的挑战,这就要求新时代的教师要紧跟时代的步伐,实现教育的现代化。

A. 体育
B. 教育
C. 文化
D. 经济

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