单项选择题
A.absorb moisture from hygroscopic cargoes B.fill gaps between layers of cargo C.wrap cargo that leaks from packaging D.keep bagged cargo leakage from contacting the deck
Seasickness is caused by rolling or rocking motions whi...
单项选择题Seasickness is caused by rolling or rocking motions which affect fluids in the().
A.stomach B.lower intestines C.inner ear D.bladder
Releasing oil from the sea anchor of a lifeboat may().A...
单项选择题Releasing oil from the sea anchor of a lifeboat may().
A.keep the propeller from being fouled B.increase propeller speed C.help calm the waves in the vicinity of the craft D.increase the holding power of the sea anchor
On a vessel,if someone fell overboard and you did not k...
单项选择题On a vessel,if someone fell overboard and you did not know over which side the person fell,you should().
A.immediately reverse the engines B.stop the propellers from turning and throw a ring buoy over the side C.increase speed to full to get the vessel away from the person D.first put the rudder hard over in either direction