单项选择题
The SOLAS convention prescribes that in the fire fighting drill the duty engineer should start the pump and supply deck water in（） minute(s).
A.5 B.3 C.2 D.1
单项选择题 When the order given by bridge may have bad results, the duty engineer should（）
单项选择题 The installation and provision of fire fighting equipment is mainly subject to （）
单项选择题 Each ship shall carry on board a shop security plan approved by （）
