船舶水手考试 题目列表
单选题To ensure the safety in operating hatch covers, oil the moving parts ().AmonthlyBevery three monthsConce monthlyDevery two months
单选题If the hatch cover does not move, ()should be checked.Athe open valveBthe stop valveCthe steam valveDthe close valve
单选题Which of the following is not dangerous cargo?()ACoal.BExplosive cargo.CFlammable cargo.DPoisonous cargo.
单选题留神脚下!抓住扶手。()AWatch your feet! Get hold on the rails.BWatch your step! Get hold of the rails.CWatch your step! Get hold to the rails.DMind your head! Get hold of the rails.