【单选题】部分优盘有写保护装置。优盘加上写保护后,对它可以进行的操作是______。
【单选题】Now imagine you are working in a restaurant and have accidentally given a client the wrong change. Which of these three phrases would be more appropriate?
A.
The fact is, it was a mistake.
B.
I can assure you that it was a mistake
C.
Look, it was a mistake
【多选题】购入一台需要安装的设备,买价 400000 元,增值税 68000 元,运杂费 500 元,款项己用银行存款支付,另应付安装人员工资 1000 元,对该项业务下列会计分录编制正确的有()
A.
借:在建工程 400500 应交税费一应交增值税(进) 68000 贷:银行存款 468500
B.
借:在建工程 1000 贷 :应付职工薪酬 1000
C.
借:在建工程 468500 贷:银行存款 468500
D.
借:固定资产 401500 贷:在建工程 401500
【简答题】从OSI参考模型的角度看,网络层所提供的服务可分为两类,是面向()网络服务和面向无连接网络服务。
【简答题】网络层所提供的网络服务分为面向连接的服务和面向无连接的服务两大类,其中,面向连接服务又称为 ________________ ,面向无连接的服务又称为 ________________ 。
【单选题】While you are working in a space,the fixed CO2 system is system is accidentally activated.Youshould______
A.
secure the applicators to preserve the charge in the cylinders.
B.
continue with your work as there is nothing you can do to stop the flow of CO2
C.
retreat to fresh air and ventilate the compartment before returning
D.
.make sure all doors and vents are secured