单项选择题
A.capsize B.run smoother C.run faster D.sink
Severe exposure to chlorine gas can be fatal. Chlorine ...
单项选择题Severe exposure to chlorine gas can be fatal. Chlorine gas is primarily a（）.
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
