【判断题】The guest doesn’t pay the bill.
【单选题】What and how should a waiter/waitress do if a guest doesn't understand some charge on his/her bill and ask for an explanation?
A.
Get the manager to deal with the guest
B.
Explain the charge in a patient way.
C.
Explain the charge reluctantly.
D.
Insist that the bill doesn't spot a mischarge.
【单选题】When a guest check in, he doesn’t need to show __________.
【单选题】IPv4 地址、IPv6 地址和MAC地址分别用多少二进制位表示?
【单选题】We will go for a picnic if it _____ tomorrow. [ ]
【判断题】The guest doesn’t like fish
【判断题】A walk-in guest is a guest who doesn′t make a reservation at our hotel.
【单选题】IPv4 地址、IPv6地址和MAC地址分别用多少二进制位表示?
【单选题】下列关于有机物的说法不正确的是
A.
乙烯和苯可以用石油和煤为原料制得,它们均能使溴水褪色,但褪色的原理不同
B.
糖类、油脂、蛋白质都能发生水解反应,且均属于高分子化合物
C.
用饱和Na 2 CO 3 溶液能除去乙酸乙酯中混有的乙酸和乙醇杂质
D.
研究表明禽流感病毒H7N9在沸水中两分钟就能被杀死,是因为病毒所含蛋白质受热变性
【单选题】What does the woman mean?
A.
The clerk doesn’t like to be bothered.
B.
The machine was just repaired.
C.
She Can teach the man to operate the machine.
D.
The man shouldn’t make any more copies.