【单选题】关于域名下列说法不正确的是( )。
A.
在DNS系统中,域名服务器是一个服务器软件,运行于指定的计算机中
C.
域名只是一个逻辑概念,并不反映出计算机所在的物理地点
D.
IP地址与域名不是一一对应的,一个IP地址可以有多个域名
【单选题】What should the room attendant do when the luggage arrived at the floor before the team gusts live in the rooms:
B.
Take the luggage to a safety place
D.
Check the room numbers and deliver the luggage one by one
【单选题】The room attendant should knock ___ times before enter the room?
【判断题】电力系统稳态分析中所用阻抗指的是一相等效阻抗。
【判断题】性状包括外观(颜色,臭味),溶解度和物理常数(熔点,沸点,密度,折光率)在一定程度上能反映了药品的纯度和疗效.
【单选题】Before entering the room, what should the room attendant say?
A.
Housekeeping , May I come in?
D.
I am always at your servie.
【多选题】The room attendant can know the name of the guest by the following:
F.
convention or meeting name tags
G.
restaurant reservation