To find the cause of a gasoline engine’s failure to start,you should().
A:Break the joint in the fuel line at the engine and let the gas run in the bilges
B:Disconnect the wires at the spark plugs and make the spark jump the gap
C:Prime the engine with ether through spark plug openings
D:Ventilate the space,then check the battery,spark plugs,carburetor,and fuel line
出自:海船船员证