INMARSAT-C船站平时应调谐于()
A.NCS公共信道
B.船站信令信道
C.选定某岸站的时分多址信道
D.任意选定信道
参考答案:A
The price of oil is increasing so rapidly.
Indeed ! The oil prices____by 10 and 20 percent so far.
A. increased
B. increase
C. had increased
D. have increased
磁介质车票票面左上角印有(),颜色为()。
A、本张车票票号
B、发售站
C、红色
D、乘车日期
E、客票08附1