兰棱站属于()局。
A.沈阳
B.北京
C.济南
D.哈尔滨
参考答案:D
I'm going to Europe on vacation together with John if I ________ find the money.(2012·全国Ⅱ)
A.can
B.might
C.would
D.need
有源应答器故障时,应急办法是将以前用过的有源应答器换上