A.the direction of the true wind B.true north C.the beam on the windward side D.the beam on the lee side
A.starboard bow and make as much headway as possible B.starboard quarter，and make as much headway as possible C.port quarter，and make as much headway as possible D.port bow，and make as much headway as possible
A.high density will be on the left in the Northern Hemisphere B.high density will be on the right in the Southern Hemisphere C.low density will be on the left in the Northern Hemisphere D.low density will be on the left in the Southern Hemisphere
A.of the wave's crest B.of the wave's trough C.measured from crest to trough D.measured from crest to crest
A.directly from high pressure toward low pressure B.directly from low pressure toward high pressure C.from high pressure toward low pressure deflected by the earth's rotation D.from low pressure toward high pressure deflected by the earth's rotation
