单项选择题
A.Deep Flood B.Direction Finder C.Double Freeboard D.Dangerous Fertilizer
There are many navigational aids（）.A.in chief engineers...
单项选择题There are many navigational aids（）.
A.in chief engineer's room B.in chief officer's room C.on the bridge D.on deck
All entries in Logbook,（）made, must not be erased.A.onc...
单项选择题All entries in Logbook,（）made, must not be erased.
A.once B.whether C.previous D.just
The pilot said he（）our vessel directly to berth.A.will ...
单项选择题The pilot said he（）our vessel directly to berth.
A.will take B.took C.is taking D.would take
