海军岸防兵
You are configuring an 802.1Q trunk between a Layer 2 switch and a firewall. You read in the documentation that the best way to set up a trunk is to set the port as dynamic desirable. The trunk is not coming up. Which one of these options would be a valid explanation？（） ["The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode ON","The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode to OFF","The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode as auto","The firewall does not support DTP.You should set the switchport trunk mode to ON"]
汽车对道理静力作用的大小与（）无关 ["车轮总重","轮胎内压力","作用次数","轮胎性质"]
（）不属于行李的范围。 ["旅客自用的被褥","旅客自用的衣服","旅客代步的自行车","旅客代步的残疾人车"]
刮板输送机的机头轴的作用是通过轴上装有的链轮驱动（）运转。 ["液力连轴器","刮板链","紧链器","减速器"]
（）是成人社会第一次在世界范围内对儿童的权利正式承认。
