【单选题】A guest wants a hamburger, but since it's breakfast, there are o hamburgers. What is the first thing you do?
A.
Express understanding, and call a supervisor, who will find an alternative for the guest.
B.
Smile and apologize, but tell the guest that we don;t serve hamburgers at breakfast.
C.
Ask another crew member if hamburgers are on the buffet this morning.
【判断题】从热力学上讲,所有的晶体缺陷都使畸变能升高,即都是非平衡态。
【单选题】All the guest_______not to leave the party before four o'colck.
【判断题】虽然气体没有固定的形状,但气体和液体接触时会出现气液交界面,称为自由表面.
【简答题】空中交通管理的定义是什么?空中交通管理包括哪三个部分? (What is the definition Air Traffic Management? What are the three parts included in ATM?)
【单选题】( )49.If the guest offers to help you in the kitchen, you had better _____ the offer.