学习策略是指什么？
现代政府本质上属于（）政府，应该为社会提供公共服务。 ["精英专制型","民选型","公共服务型","公众协商型"]
云堤流量压制地址段掩码可调的范围为（）。 ["＜=\/24","＜=\/26","＜=\/27","＜=\/28"]
Which site-to-site VPN solution allows Cisco routers, PIX Firewalls, and Cisco hardware clients to act as remote VPN clients in order to receive predefined security policies and configuration parameters from the VPN headend at the central site?（） [" Easy VPN"," GRE tunneling"," Virtual Tunnel Interfaces"," DynamicMultipoint VPN"," Group Encrypted Transport VPN"]
中国石油加油站管理系统涉及了中国石油加油站（）相关的业务信息领域。 ["油品","便利店","零售","批发"]
简述护理科研的道德要求。
