经济学解决的三大问题是生产什么，怎么生产和谁来生产。
查看答案
临时工程应比照正式工程采用纯劳务分包方式，可以采用包工包料的大包模式，可以同一家队伍采用包工包料与劳务分包并存现象的发生。
A. 正确
B. 错误
格式化文本的扩展名是（）。
A. TXT
B. SWF
C. DOC
D. HTM
Which statement about NPIV is true？（）
A. NPIV provides a means to assign multiple Fibre Channel IDs to a single N-port.
B. NPIV can be enabled on a per-VSAN basis.
C. NPIV requires a "write erase" and then reload the switch in order to come up into NPIV mode.
D. NPIV is a Cisco proprietary feature and as such works only between two Cisco switches.
E. NPIV must not be enabled on a switch that is also running N-port virtualization.
It’s possible to（）out some cargo during loading.
A. bang
B. shut
C. lock
D. close
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