单项选择题
A slow，gradual fall of the barometer indicates approaching（）.
A.gale force winds within 12 hours
B.blizzard conditions
C.deteriorating or unsettled weather
D.heavy，wind driven rain
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单项选择题
A slow rise in the barometric pressure forecasts（）.
A.rainy weather for the next 48 hours
B.high seas
C.improving weather conditions
D.deteriorating weather conditions -
单项选择题
A sling psychrometer is used to measure（）.
A.seawater temperature
B.engine temperature
C.dry bulb and wet bulb temperatures
D.barometric pressure -
单项选择题
A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing?（）
A.Shift weight to the bow
B.Shift weight to the center of the boat
C.Shift weight to the stern
D.Throw excess weight overboard
