使用NDB台导航时,应考虑()。
A.NDB台的作用范围
B.NDB台信号的发射方向
C.NDB台信号的衰减
参考答案:A
东欧剧变以后,________分为五,________一分为二,________与_________合并,实现了统一。
— Why not sit in your own seat, Mary?
I can’t see the blackboard clearly because two tall boys are sitting _____ me.
A.next to
B.beside
C.in front of
D.opposite