单项选择题
A.2 o’clock. B.2 hours. C.2 gangs. D.2 years.
Oil is carried in （）.A. tanksB. tankersC. chemical carr...
单项选择题Oil is carried in （）.
A. tanks B. tankers C. chemical carriers D. holds
This cargo runner is too short. Please （）it for a long ...
单项选择题This cargo runner is too short. Please （）it for a long one.
A.charge B.change C.discharge D.repair
The common type of liquid cargo is （）.A.oilB.chemicalC....
单项选择题The common type of liquid cargo is （）.
A.oil B.chemical C.gas D.timber
