航海英語(yǔ)VHF通信單項(xiàng)選擇題每日一練(2019.01.12)

來(lái)源：考試資料網(wǎng)

1 When the changing of a VHF channel / frequency is accepted，say（）.

2 One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.

3 （），you can’t finish discharging tomorrow!

4 I have been instructed that on my voyage（），I shall call at Maderra to pick up some cargo.

5 What does the abbreviation VHF stand for?（）