题型:名词解释 Drugs can do great harm (危害) not only to you but also to your family. You must be _________them.A.along withB.out ofC.in front ofD.away from 查看答案
题型:名词解释 下列哪些是高电压车辆上的安全措施?()A.绝缘电阻测试实验B.高电压导线橙色标记C.高电压组件上带有警告指示的标贴D.电子监控绝缘电阻E.在保养维修工作时将高电压电池从高电压系统上断开(保养断开) 查看答案