热辐射的主要特点是:任何物体(气体、液体、固体)都能把热以电磁波的形式辐射出去,也能吸收别的物体辐射出来的热能,而且,热辐射不需通过任何介质,通过真空也能进行辐射。通过热辐射传播的热量和火焰温度的()成正比。
A. 三次方
B. 四次方
C. 五次方
D. 六次方
关于大学生与诚信道德的正确理解是()。
A. 诚信是大学生树立理想信念的基础
B. 诚实是大学生全面发展的前提
C. 诚信是大学生进入社会的“通行证”
D. 以上三项都是
You have two servers named Server1 and Server2 that run Windows Server 2003 Service Pack 2 (SP2). Both servers have Remote Desktop disabled. A user named User1 logs on to Server1 locally. You log on to Server2 locally. You need to log User1 off Server1 remotely. You must achieve this goal without restarting Server1. Which tool should you use on Server2? ()
A. net.exe
B. logoff.exe
C. taskmgr.exe
D. compmgmt.msc