单项选择题
A.containers B.bags C.refrigerated holds D.cases
Which of the following is not dangerous cargo?（）A. Coal...
单项选择题Which of the following is not dangerous cargo?（）
A. Coal. B. Explosive cargo. C. Flammable cargo. D. Poisonous cargo.
Which of the following cargo is not carried in refriger...
单项选择题Which of the following cargo is not carried in refrigerated ships?（）
A.Grain. B.Fruit. C.Meat. D.Fish.
Many types of general cargo are now carried in （）.A. la...
单项选择题Many types of general cargo are now carried in （）.
A. large bags B. big drums C. containers D. large cases
