There（）to be some doubt as to the law

1、Some people hope to be more successful

Some people hope to be more successful while ______ simply want to feel more comfortable.A the othersB othersC the otherD another

2、Some lights used as aids to marine nav

Some lights used as aids to marine navigation have a red sector to indicate a danger area. The limits of a colored sector of a light are l...

3、If in any doubt as to the pilot’s acti

If in any doubt as to the pilot’s actions or intentions，the officer in charge of the navigational watch shall（）.Anotify the master immediate...

4、When a vessel is in any doubt as to wh

When a vessel is in any doubt as to whether such a situation exists she shall（）that it does exist and act accordingly.AconsumeBassumeCperfumeDresume

5、As some countries attempt to shift awa

As some countries attempt to shift away from natural gas or petroleum energy systems toward coal-based systems, the need for coal slurry(煤泥) ...

6、If in doubt as to the true water level

If in doubt as to the true water level when a boiler is being oil-fired, you should （）.Atake no measuresBextinguish the fire as soon as possibleCfeed water to the boilerDopen the blow down valve