Vessels should be manned（）duly qualifi

1、Vessels ramaining（）a few hours should

Vessels ramaining（）a few hours should moor with anchors.Amuch thanBmore thanCmany thanDlot tha

2、A qualified deck officer should be（）th

A qualified deck officer should be（）the watch.Ain charge ofBarrangedCdecided toDthe depth of

3、Vessels should maintain a sharp lookou

Vessels should maintain a sharp lookout，especially during December through March，when navigating the right whale’s only known calving grounds wh...

4、Vessels shall be deemed to be in sight

Vessels shall be deemed to be in sight of one another only when one（）from the other.Acan be observed visuallyBcan be observed by radarCcan be located on the radarDcan be heard

5、4． A fat man should eat ________food a

4． A fat man should eat ________food and take ________ exercise．A less，lessB fewer，moreC less，moreD more， fewer

6、Vessels required to be equipped with a

Vessels required to be equipped with an approved backfire flame arrester are（）.Athose with diesel enginesBall those with gasoline enginesCthose with large engines onlyDNone of the above