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【单选题】
What is the reason why some writers work closely with film and TV producers? 查看材料A.
To provide unique understanding about the original works.
B.
To supervise the work done by film and TV producers.
C.
The writers want to relax for a moment.
D.
The film and TV producers may not understand their work.
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【简答题】高频头有两种： __________ 高频头和 ___________ 高频头。
【简答题】自动开关通常采用的脱扣器有两种，一种是（），另一种是（）。
【单选题】Refer to the exhibit.The network administrator normally establishes a telnet session with the switch from host A.However,host A is unavailable.The administrator′s attempt to the switch from host B fai...
A.
Host B and the switch need to be in the same subnet.
B.
The switch needs and appropriate default gateway assigned.
C.
The switch intece connected to the router is down.
D.
Host B need to be assigned an IP address in vlan 1.
E.
The switch inteces need the appropriate IP addresses assigned.