单项选择题

All towing vessels of 26 feet or longer while navigating are required to carry which item? （）

A.At least two lifeboats
B.A radiotelephone
C.A radio direction finder
D.None of the above

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单项选择题

A.carried by hand to a fire
B.carried or rolled to a fire
C.recharged in the field
D.used on class "B" fires

单项选择题

A.boarding and operating procedure
B.maintenance schedules
C.navigational systems
D.fuel consumption rates

单项选择题

A.boarding and operating procedures
B.maintenance schedule
C.navigational systems
D.fuel consumption rates