A.watchman B.look-out C.look out D.looker
单项选择题The pilot will()your ship at 2015 hours tonight.
A.aboard B.board C.go ahead D.go forward
单项选择题()scale charts are used for harbors.
A.Small B.Large C.Loran D.Route
单项选择题()is the maximum speed of your ship?
A.How B.Which C.How about D.What
单项选择题The fog is too thick. Don’t()the radar.
A.switch on B.switch off C.close D.open
单项选择题()time will the pilot be available?
A.what B.When C.At what D.At when