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【多选题】
熔断器的选择原则有( )。
A.
熔断器的额定电压应大于或等于回路的额定电压
B.
对于熔断器的合闸回路,其熔体的额定电流按0.25~0.3倍额定合闸电流来选择
C.
对于蓄电池组出口回路的熔断器,其熔体一般按蓄电池1h放电电流值再加大一级来选择
D.
各级熔断器间应相互配合,具有选择性,每级熔断器熔体的额定电流值一般相差2~3级
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【单选题】The Office Parties are held for after regular office hours, such as holiday parties.
A.
clients
B.
customers
C.
employer
D.
employees
【单选题】主、从动轴具有最大交角的万向节是( )。
A.
RF节
B.
球叉式
C.
十字轴式
D.
VL节
【多选题】电影具有哪些经济属性?
A.
风险性
B.
收益性
C.
易逝性
D.
品牌性
E.
创新性
F.
体验性
【简答题】Translation(Translate the following phrases/sentences into English/Chinese) 今天上午 从上午10点到下午5点 在周末 在星期六的下午3点 在下午2点40 I'd like to make an appointment with your manager. I wonder if it would be convenient...
【简答题】When are the office hours?
【单选题】The office hours are ____9 a.m. ____ 6 p.m.
A.
in,to
B.
from,to
C.
for,at
D.
from,at
【多选题】Your network includes Windows Server 2008 R2 Hyper-V failover clusters that support highly available virtual machines (VMs). You manage virtual machines by using Microsoft System Center Virtual Machin...
A.
For each cluster, set the cluster reserve to 1
B.
Determine the placement for each VM by using the data that is generated by running the Get-VMPerformance PowerShell cmdlet
C.
Determine the placement for each VM by using the data that is generated by running the Get-VMHostRating PowerShell cmdlet
D.
For each cluster, set the cluster reserve to 0
【单选题】Which of the following statements is true?
A.
One-third of the people in the world are not online.
B.
Eighty-eight of European youths are online.
C.
Offline conditions mostly takes place in developed countries.
D.
One-fourth of the Internet users around the world is a child
【单选题】Exhibit, One of the important tables in the USERStablespace was dropped and purged from the recycle bin at 9:00 a.m. You noticed this at 11:00 a.m. and you want to perform an incomplete recovery to re...
A.
You must recover all data files to the required system change number (SCN).
B.
You must recover all data files, except those that are offline, to the required SCN.
C.
You must recover all data files belonging to the USERS tablespace to the required SCN.
D.
You cannot recover all data files because segment space management is performed manually for the undo tablespace.
【多选题】Your network contains an Active Directory domain. All domain controllers run Windows Server 2008.   The functional level of the domain is Windows Server 2003. All client computers run Windows 7.  You ...
A.
From Server1, run djoin.exe.
B.
From Server1, run netdom.exe.
C.
From a Windows 7 computer, run djoin.exe.
D.
Upgrade one domain controller to Windows Server 2008 R2.
E.
Raise the functional level of the domain to Windows Server 2008.
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