A.VTS point B.Way point C.Reference point D.Establishment point
单项选择题()will the discharging operations take?
A.How long B.How length C.How many times D.How many shift
单项选择题()will reduce the visibility.
A.dust B.sea water C.land sand D.wind
单项选择题()view of the fact,I wish to submit this report.
A.In B.On C.To D.For
单项选择题()using the derrick at once,the gooseneck is bent.
A.Continue B.Start C.Commence D.Stop
单项选择题()this the Chief Officer agreed not to put any remarks.
A.At B.By C.For D.Upon