单项选择题
A.put the wind off either beam
B.head the bow into the wind and decrease speed
C.put the stern into the wind and increase speed
D.put the stern into the wind and decrease speed
单项选择题 There are two disadvantages to CO2 pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.
单项选择题 The wooden plug inserted in the vent of a damaged tank of a ship should be removed in case it is decided to（）.
单项选择题 The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）