外倾型旅游者的个性特征有（）。 ["喜欢驱车前往旅游点","高活动量","选择非旅游地区","喜欢正规的旅游设施"]
北魏孝文帝（467―499）
某研究者预进行吸毒人员一次性注射器使用知识的调查研究，较适宜的抽样方法为（） [" 方便抽样"," 网络抽样"," 配额抽样"," 目的抽样"," 系统抽样"]
实行“三同时”制度的项目范围是（） ["新建的基本建设项目（工程）","技术改造项目","改建、扩建的基本建设项目（工程）","引进的建设项目","ABCD都是"]
The network administrator would like to generate synthetic traffic using the Service Assurance Agent contained in Cisco IOS. Which CiscoWorks network management application will be used to report the latency and availability for configured traffic operations on an end-to-end and hop-byhop (router-to router) basis？（） [" nGenius Real-Time Monitor"," Cisco View"," Device Fault Manager"," Internetwork Performance Monito"]
主动安乐死
