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單項(xiàng)選擇題

Letter “Q” means “（）”.

A. Man overboard
B. You are running into danger
C. My vessel is healthy.
D.I require a pilot.

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單項(xiàng)選擇題

Mind your head .I am dropping the（） now!

A. heavy line
B. heaving line
C. head line
D. wire rope

單項(xiàng)選擇題

If the freeboard is more than 9 meters, we should rig（）.

A. gangway
B. ladder
C. pilot ladder
D. gangway combined with pilot ladder