單項選擇題

Admiralty Notices to Mariners are published （）.

A.every day
B.every week
C.every month
D.every year

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單項選擇題

A storm is forecast for the area where your vessel is moored. For its safety you should put （）.

A.more slack in the mooring lines
B.a strain on the mooring lines
C.chafing gear on the mooring lines
D.grease on the mooring lines

單項選擇題

A steep barometric gradient indicates （）.

A.calms
B.light winds
C.strong winds
D.precipitation