单项选择题
A.to be B.are C.had D.have
In reference to accidental oil pollution,the most criti...
单项选择题In reference to accidental oil pollution,the most critical time during bunkering is when ().
A.you first start to receive fuel B.hoses are being blown down C.final topping off is occurring D.hoses are being disconnected
In case of accidents()the risk of sinking,all effective...
单项选择题In case of accidents()the risk of sinking,all effective measures shall be taken to steer clear of the fairway to avoid()the traffic.
A.involving/impeding B.involved/to impede C.involving/to impede D.involved/impeding
If you do not wear goggles and helmet,your chances of b...
单项选择题If you do not wear goggles and helmet,your chances of being()will be greater.
A.beaten B.damaged C.hurt D.stricken