对本段文字主旨概括最准确的一项是()。
第1题
Which of the following statements is FALSE ().
A.An anemometer measures wind speed
B.A barometer measures atmospheric pressure
C.A thermometer measures temperature
D.A psychrometer measures wind pressure
第2题
A wind vane on a moving vessel shows ______.
A.dead reckoning wind direction
B.true wind direction
C.apparent wind direction
D.estimated wind direction
第3题
A mooring line that prevents a vessel from moving sideways away from the dock is a ___.
A.bow line
B.breast line
C.stern line
D.spring line
第4题
Lateral movement of the vessel to leeward of its course defines ______.
A.Leeway
B.Leeside
C.Leeward
D.Lee moving
第6题
A.Dredging (of anchor )
B.Dragging (of anchor )
C.Weighing anchor
D.Walking out anchor
第7题
A.the speed of the vessel
B.the speed of the propeller
C.the wake
D.the wake fraction
第8题
A.Dredging (of anchor )
B.Dragging (of anchor )
C.Weighing anchor
D.Walking out anchor
第9题
A.free from insects
B.clear
C.clean
D.sanitary
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