From （） the mariner can know the data of tide．

单项选择题For full information regarding the current circulation of the Indian Ocean，（） Sailing Direction，Current Atlas，etc．

A.watch
B.look for
C.see
D.regard

单项选择题ETA／PILOT REVERTING means （） ．

A.ETA pilot station has been given
B.ETA pilot station will be given afterwards
C.ETA pilot station was not given
D.ETA pilot station is given

单项选择题Data relating to the direction and velocity of rotary tidal currents can be found in the （）.

A.Mariner's Guide
B.Tidal Current Tables
C.Nautical Almanac
D.Tide Tables

单项选择题Coral atolls，or a chain of islands at right angles to the radar beam，may show as a long line rather than as individual targets due to （）.

A.the effects of beam width
B.limitations on range resolution
C.the pulse length of the radar
D.the multiple-target resolution factor

单项选择题Before a Master relieves a Pilot of the conn，the （）.

A.Master should foresee any danger to the vessel on the present course
B.vessel must be in extremis
C.Master should agree to sign a release of liability form
D.Master must first request the Pilot to take corrective action