题目内容

以下不属于除氧水水质指标的是()。

A. PH值
B. 铁
C. 氯化物
D. CO含量

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只有活动单元格才能接受输入的信息。

A. 正确
B. 错误

6129、VHF收发信机的直流电源应该选择()。

A. 30V±3V
B. 48V±4.8V
C. 12V±1.2V
D. 24V±2.4V

对Excel2000的菜单中,灰色和黑色的命令都是可以使用的。

A. 正确
B. 错误

Your network contains one Active Directory domain. You have a member server that runs Windows Server 2008.You need to immediately disable all incoming connections to the server. What should you do?()

A. From the Services snap-in,disable the IP Helper.
B. From the Services snap-in,disable the Netlogon service.
C. From Windows Firewall,enable the Block all connections option on the Public Profile.
D. From Windows Firewall enable the Block all connections option on the Domain Profile.

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