船舶遇险现场通信常使用()。
A、HF设备的无线电话和电传
B、Inmarsat站的电话和电传
C、MF/VHF的无线电话
D、VHF/DSC
参考答案:D
Public attention at the moment is focused___ the problems of industrial relations.
A.into
B.towards
C.about
D.on
芦苇