单项选择题
The foreman said three （）would come on board to load cargo.
A.teams B.parties C.gangs D.pairs
单项选择题 The wire ropes and blocks, or pulleys, on a ship are called （）.
单项选择题 Each cover consists of two or （）panels.
单项选择题 A （）is at the end of the cargo runner for picking up the load.
