单项选择题
A. flag H ； flag G B. flag G； flag H C. flag H ； flag Q D. flag G； flag Q
When the anchor reaches the bottom ,hoist the anchor （）...
单项选择题When the anchor reaches the bottom ,hoist the anchor （）by day.
A.ball B.flag C.light D.lamp
Letter “G” shows that“ （）”.A. I have a pilot on boardB....
单项选择题Letter “G” shows that“ （）”.
A. I have a pilot on board B. I require a pilot. C. I have stopped. D. My vessel is healthy .
Letter “H” means“（）”.A. I have a pilot on boardB. I req...
单项选择题Letter “H” means“（）”.
A. I have a pilot on board B. I require a pilot C. I have stopped D. My vessel is healthy
