正确答案: ABCDE
听力严重障碍; 精神病; 癫痫病; 高血压; 视力严重障碍
题目:对患有()的人员,一律不准从事高处作业。
解析:A, B, C, D, E
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举一反三的答案和解析:
[多选题]阅读下面的短文,回答问题 [When an IP packet arrives at a router, generally the router looks at the destination address of the packet, and forwards the packet to one of its network interfaces. The forwarding decision is usually done by looking up the destination address from another data structure called a forwarding table. The forwarding table is created by the router using the routing table and possible routing policies existing in the router. The router then creates a table where it lists which networks are accessible through which of the router’s network interfaces. An IP router looks at every IP packet individually and does the forwarding decision on a packet-by-packet basis. If something changes in the router’s routing table, a packet can take a different route from a preceding packet even if it has the same destination.] From the paragraph above,we can see that the router ( ) a forwarding table according to the routing table and possible routing policies existing in the router. When an IP packet arrives at a router, the ( ) part of packet is normally checked by the router. An IP router checks every IP Packet individually and makes the forwarding decision based on ( ).
is generated
generates A.forwarding table
routing policies
destination address A.the destination address and network interfaces
the destination address and forward table
routing policies and routing table
解析:D,D,C
[单选题]根据我国目前本地移动电话编号方案,移动网接入码为()。
3位
[多选题]通常可以依据( )来判断阀控式电池的低压恒压是否正常充电。
充电终期电流
充电时间
充入量
解析:ABD
[单选题]下列设备中,()不属于用户终端设备。
酒精测试仪
[单选题]国家应急通信主要指通过()、应急响应、后期处置等工作,在突发事件情况下实现通信保障。
预防与预警