The Experimental Lighthouse-buoy has no navigational significance and may be removed at will.The above sentence means（）.

The effect of wind on exposed areas of the vessel is most noticeable when（）.

On one hand，you have to continue loading，on（）hand，I’ll contact the Despatch Office right now.

On a clear，warm day，you notice the approach of a tall cumulus cloud. The cloud top has hard well defined edges and rain is falling from the dark lower edge. Should this cloud pass directly overhead（）.

The issue of Notices to Mariners of charts and these aids(Radar beacons)may be delayed until such time as they are assessed to be（）.

Please return the copies attached（）your signature.

Should any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local Quarantine Officer must be（）immediately.

This is to bring（）your notice that MV Utopia has anchored too close to my ship.

This is to advise you that MV Water Way arrived at Sheerness at 1000 hours on May 14th and the formalities for entering the port were passed at 1040 hours on the same day.Now she is in all respects ready and fit to discharge her cargo of grain in bulk. Theses sentences are likely to appear in（）.

The Master of a vessel may tender a Notice of Readiness to the charterer when the vessel （）.