题目内容
（请给出正确答案）
A．大气污染物中的铅经肺吸收后可转移并积存于人的骨骼中，损害骨骼造血系统，所以铅的蓄积器官是肺
B．大气污染物中的二氧化硫经人体的上呼吸道和气管吸入人体，并直接刺激上呼吸道和气管，所以上呼吸道和气管是蓄积器官
C．有机磷酸酯农药作用于神经系统，会造成神经突触处乙酰胆碱蓄积，使人产生流涎、瞳孔缩小等症状，所以神经系统是有机磷酸酯的效应器官
D．沉积于网状内皮系统的放射性核素对肝、脾损伤较重，引起中毒性肝炎，所以网状内皮系统是蓄积器官
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更多“蓄积器官是毒物在体内的蓄积部位。毒物在蓄积器官内的浓度高于其…”相关的问题
第1题
Intermediate system to intermediate system (IS - IS), is a protocol used by network devices (routers) to determine the best way to forward datagrams through a packet - switched network, a process called routing. Which three attributes are of the IS - IS routing protocol？ （）
A. supports VLSM
B. link - state routing protocol
C. operati on is similar to BGP
D. supports two routing levels within an autonomous system
第2题
A. EIGRP can be used only as the PE-CE routing protocol if the PE and CE routers are in the same AS
B. Other EIGRP AS routes are automatically advertised to the CE router and do not require a redistribution configuration command to be configured
C. Unlike other routing protocols that are used between PE and CE routers, EIGRP supports backdoor links
D. Configure of the VPN is only required on the PE router
第3题
A．OSPF
B．EIGRP
C．IS-IS
D．BGP
第4题
A. The use of discontiguous subnets is not allowed
B. The use of variable length subnet masks is permitted
C. RIP v1 is a classless routing protocol
D. IGRP supports classless routing within the same autonomous system
E. RIP v2 supports classless routing
第5题
A. It confines network instability to a single area of network.
B. It increases the routing overhead of the network
C. It supports VLSM
D. It routes between Autonomous Systems.
E. It allows extensive control of routing updates
第6题
A. If using IS-IS as the PE-CE routing protocol, no redistribution is required.
B. If using static routes between the CE and PE routers, no redistribution of other VPN routes is required.
C. If the PE-CE protocol is not BGP, redistribution of other VPN routes from MP-BGP is required.
D. If RIP is the routing protocol that is used between the PE-CE routers, no redistribution is required, but any other protocol will require redistribution.
E. If using OSPF or EIGRP as the PE-CE routing protocol, redistribution is not required, but any other protocol or static route will require redistribution.
第7题
A.EIGRP
B.OSPF
C.IS-IS
D.RIPv2
第8题
A. It confines network instability to a single area of network.
B. It increases the routing overhead of the network
C. It supports VLSM
D. It routes between Autonomous Systems.
E. It allows extensive control of routing updates
F. None of the above
第9题
A.It has the same maximum hop count as version 1
B.It uses broadcasts for its routing updates
C.It is a classless routing protocol
D.It has a lower default administrative distance than RIP version 1
E.It supports authentication
F.It does not send the subnet mask in updates
第10题
A. If using OSPF or EIGRP as the PE-CE routing protocol, redistribution is not required, but any other protocol or static route will require redistribution
B. If using IS-IS as the PE-CE routing protocol, no redistribution is required
C. If using static routes between the CE and PE routers, no redistribution of other VPN routes is required
D. If PE-CE protocol is not BGP, redistribution of other VPN routes from MP-BGP is required
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