單項(xiàng)選擇題

Information from the stations and installations shall be appropriatelysharedby（）.

A.all crew members
B.all the watchkeeping personnel
C.all passengers
D.all visitors

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單項(xiàng)選擇題

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

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

單項(xiàng)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