______ is an area within the radiotelephone coverage of at least one VHF coast station in
A. Sea Area A1
B. Sea Area A2
C. Sea Area A3
D. Sea Area A4
查看答案
人大监督是党和国家监督体系的重要组成部分，是最高层次的监督。()
The range of a SSB transmission is MOST affected by ______．
Atmospheric noise and radiated power
B. The frequency band selected and time of day or night
C. Interference and position of the moon
D. Radiated power and nearness to shore
据国家统计局资料显示，2014年底我国人均国民总收入达到7400美元，收入水平属于()。
A. 低收入国家
B. 中等偏下国家
C. 中等偏上国家
D. 高收入国家
You are monitoring VHF Channel 16 when you receive a call to your vessel，TEXAS PRIDE．What
A. This is TEXAS PRIDE．Pick a channel
B. This is TEXAS PRIDE on Channel 16．Come back
C. This is TEXAS PRIDE，WSR 1234，reply Channel 10
D. Please stand by．We're busy right now
微信支付 
支付宝支付