防火分区的分隔物是防火分区的边缘构件,其中是水平方向划分防火分区的分隔物。
A. 防火墙
B. 乙级防火门
C. 防火卷帘
D. 防火水幕带
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当建筑内设有上、下层相连通的走廊、敞开楼梯、自动扶梯、传送带等开口部位时,应将上、下连通层作为两个防火分区。
A. 对
B. 错
1.ECistheexchangeof______________amongfirms,betweenfirmsandtheircustomers,andbetweencustomers,supportedbycommunicationtechnologiesand,inparticular,theInternet.
A. goods
B. services
C. money
D. alloftheabove
2.Whichofthefollowingisanexampleofoutsourcing?
A. P&Gacquiresaretailoutlettoreduceitsdistributioncosts
B. Volkswagenacquiresasteelmanufacturingplanttoreduceitsoverallproductioncosts.
C. DellsourcescomputerpartsfromsupplierslocatedinRussia.
D. MicrosofthandsoveritscustomerservicefunctiontoConvergys,locatedinIndia.
3.Successfulenterprise-orientedsocialmediainitiativesconsider______________.
A. organizationalculture
B. organizationalhierarchies
C. technologicalinertia
D. alloftheabove