单项选择题
A.Grains. B.Iron ore. C.Cotton. D.Coal.
Cargo may be divided into two basic types:（）.A. bulk ca...
单项选择题Cargo may be divided into two basic types:（）.
A. bulk cargo and container cargo B. bulk cargo and general cargo C. bulk cargo and liquid cargo D. dry cargo and liquid cargo
Is that the （）(轻泡) cargo?A.smellB.heavyC.lightD.chemica...
单项选择题Is that the （）(轻泡) cargo?
A.smell B.heavy C.light D.chemical
Is that（）（重）cargo?A.smellB.heavyC.lightD.powder
单项选择题Is that（）（重）cargo?
A.smell B.heavy C.light D.powder
