单项选择题
The （）carries people, cargo, and car or truck for short passages.
A.oil barge B.oil ship C.ferry D.barge
单项选择题 The（） type of cargo ship is the tanker.
单项选择题 In liquid cargo ships, the（） is divided into tanks.
单项选择题 What will happen if the PSC officers find out your ship’s deficiencies? （）
