凡是有可能存在()等存在的受限空间作业,应进行气体浓度检测。
A. 缺氧、富氧
B. 有毒有害气体、可燃气体
C. 粉尘
D. 大雾天气
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哑点线是()
A. 所找电台信号音量最大时磁棒轴线所在直线方向
B. 所找电台信号音量最小时磁棒轴线所在直线方向
C. 所找电台信号没有声音时磁棒轴线所在直线方向
D. 所找电台信号没有声音时天线所在直线方向
TWG-1系列空重车自动调整装置显示器涂()油漆。
A. 白色
B. 红色
C. 蓝色
D. 无需涂漆
Mechanical lifting of air by the upslope slant of the terrain is called().
A. vertical lifting
B. convective lifting
C. advective lifting
D. topographic lifting
You need to design a security strategy for a remote e-mail access. What should you do?()
A. Require remote users to access e-mails by using Outlook Mobile Access
B. Require Outlook Web Access users to install the secure MIME ActiveX-Control and to encrypt all messages
C. On Outlook Web Access servers that accept connections from the Internet configure IIS to require SSL for all connections
D. On Outlook Web Access servers that accept connections from the Internet configure IIS to require Integrated Windows Authenticatio