单项选择题
A.respiratory irritant B.skin burning agent C.blood poisoning agent D.nerve paralyzing irritant
Separation cloths may be used to（）.A.absorb moisture fr...
单项选择题Separation cloths may be used to（）.
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
