To qualify for a promotion, （）to exceed the quota. ["the best thing he could do was","he did his best","all he could do was","his best thing wa"]
富强、民主、文明、和谐是国家层面的价值目标，自由、平等、公正（）。
行政控制得以实现需要具备的基本前提是控制组织和（） ["控制能力","控制路线","控制计划","控制规范"]
下列哪个不属于按照包装容器结构特点进行的分类（） ["喷雾式","透明式","便携式","液体式"]
属于直接的非关税壁垒有的（） ["进口配额制","进口许可制","进口押金制","复杂的技术标准"]
简述止水带的安装和检测方法。
