在一个建设专案中，具有独立的设计档、可独立承包、竣工后可以独立发挥生产能力和效益建设工程，称为（） ["单项工程","单位工程","分部工程","分项工程"]
开辟新航路的探险家都是西班牙或葡萄牙的资助下完成探险活动的，这主要是因为，与西欧其他国家相比，西、葡两国（）。 ["王室大力支持","地理位置优越","商业资本发达","金银需求量大"]
党的各级领导干部，若是民主选举产生的，其职务是终身的；若是由领导机关任命的，其职务可以变动或解除。
SY200C6M轨链上的活动销（拆卸轨链用）有几个？（） ["1个","2个","3个","4个"]
Refer to the exhibit. What statement is true base d upon the configuration in the exhibit? （） [" CGMP version 2 is being used."," The switch will use sparse mode first, dense mode second."," A rendezvous point must be configured in order for the interface to operate in sparse mode."," IGMP version 2 is being used."," The rendezvous point is IP address 172.16.4.16."," If a rendezvous point is configured, the interface cannot operate in dense mode."]
PWS的配置
