單項選擇題Generally，you can best keep a vessel under steering control when the vessel has（）.

A.Headway
B.Sternway
C.No way on，with engines stopped
D.No way on，with engines full ahead


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1.單項選擇題Generally speaking，the most favorable bottom for anchoring is（）.

A.Very soft mud
B.Rocky
C.A mixture of mud and clay
D.Loose sand

2.單項選擇題During an annual FCC inspection（）.

A.All required documents and publications may have to be produced
B.Licensed GMDSS radio operators may be required to demonstrate equipment competencies
C.All required equipment must be fully operational
D.All of the above

4.單項選擇題Course directed by the OSC or CSS to be steered at the beginning of a search is（）.

A.original course
B.initial course
C.final course
D.designated course

5.單項選擇題Changing rescuers while carrying out artificial respiration should be done（）.

A.without losing the rhythm of respiration
B.only with the help of two other people
C.by not stopping the respiration for more than 5 minutes
D.at ten-minute intervals