电工用具中，最基本的安全用具是（）。
A. 安全帽、安全带、绝缘挡板
B. 绝缘鞋、绝缘手套、绝缘垫
C. 绝缘杆、绝缘手套、验电笔
Which of the followings needs not to be considered for bunkering?（）
A. When to bunker?
B. Type of FO
C. Pollution prevention measures
D. Engineer to be responsible for
Which one of the following is not true according to the passage?（）
A. It’s important to make clear the chain of command within the vessel
B. It is primarily your own responsibility to look after your person safety
C. The porthole is the first choice to escape when in emergency
D. all cabins are fitted with a Survival at Sea Manual
微信支付 
支付宝支付