【多选题】服务员在工作期间不热情、不主动,叫外国旅游者“鬼佬”;在海员吃饭时将菜碟里的鱼翻身,给旅游者拿东西不是“递”而是“扔”,引起旅游者投诉的原因是( )。
【单选题】you don't keep your promise, you will lose your friends.
【单选题】you don't keep your promise, you will lose your friends.
【简答题】根据内部三个区域半导体类型的不同,三极管可分为 型和 型;按所用材料的不同可分为 管和 管。
【简答题】阅读理解。 If you don't keep yourself warm enough, winter can be a time of illness. During the winter months, people easily get colds and flu (流感). Many think they are the same, but these two illnesses are...
【多选题】服务员在工作期间不热情、不主动,叫外国旅游者“鬼佬”;在海员吃饭时将菜碟里的鱼翻身,给旅游者拿东西不是“递”而是“扔”,引起旅游者投诉的原因是( )
【单选题】you don't keep your promise, you'll lose your friends.
【简答题】三极管 三个区域的半导体类型的不同分: 、 。
【单选题】以下差错控制方式中,哪一种不属于检错重发( )