單項選擇題

The only cylindrical chart projection widely used for navigation is the（）.

A.Lambert conformal
B.Mercator
C.aximuthal
D.gnomonic

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單項選擇題

The notice which is based on original information is indicatedby（）nexttothenotice number.

A.a star
B.a dot
C.a dash
D.a circle

單項選擇題

What areessentialto ensure the effective implementationoftheship securityplan?（）

A.Controlling access to the ship
B.Training and drills
C.Controlling the restrictedareas
D.Monitoring the ship at times