【单选题】The bell________the end of the period rang, ________our heated discussion. [ ]
A.
indicating; interrupting
B.
indicated; interrupting
C.
indicating; interrupted
D.
indicated; interrupted
【单选题】真空沸腾式海水淡化装置通常在______管路上设有流量计。
【单选题】真空沸腾式海水淡化装置通常在______管路上设有流量计。
【单选题】If I _______ foreign language last year, I would have taken it.
【单选题】C51中的外部中断1的中断服务程序关键字为interrup n,其中n的值为( )。
【简答题】My name is Carl Kennedy and I’m an English teacher. I really like my job. I feel very glad when my students feel comfortable speaking English. But I have to admit that sometimes I feel a little enviou...
【单选题】航空货物运价表中“45”一栏对应的重量为( )
【单选题】真空沸腾式海水淡化装置通常在______管路上设有流量计。
【单选题】If only I ____ several foreign languages.