Strong low pressure
Strong high pressure
Steep pressure gradient
Steep gradient pressure
第1题：
A.Directiond=NORTH；
B.Nav.Directiond=NORTH；
C.Directiond=Direction.NORTH；
D.Nav.Directiond=Nav.Direction.NORTH；
第2题：
Monsoons are characterized by ______.
A.light，variable winds with little or no humidity
B.strong，gusty winds that blow from the same general direction all year
C.steady winds that reverse direction semiannually
D.strong，cyclonic winds that change direction to conform to the passage of an extreme low pressure system
第3题：
Sea Bamboo is in the north area of Sichuan Province.()
第4题：
______causing strong winds and rough sea north west Bay of Biscay.
A.Strong low pressure
B.Strong high pressure
C.Steep pressure gradient
D.Steep gradient pressure
第5题：
West backing south-west gale 8 locally storm 10 ______ then rain or sleet mainly good．
A.windy showers
B.showers with winds
C.wintry showers
D.showery winds
第6题：
________ causes strong winds and rough sea at northwest Bay of Biscay．
A.Strong low pressure
B.Strong high pressure
C.Steep pressure gradient
D.Steep gradient pressure
第7题：
In the Sargasso Sea there are large quantities of seaweed and no well defined currents. This area is located in the ______.
A.Central North Atlantic Ocean
B.Caribbean Sea
C.Western North Pacific Ocean
D.area off the west coast of South America
第8题：
A.DirectionDirection=EAST；
B.Directiondirection=Direction.WEST；
C.inta-Direction.NORTH；
D.Directiondirection=2；
第9题：
When a high pressure system is centered north of your vessel in the Northern Hemisphere ______．
A.You should experience hot，moist，clear weather
B.The wind direction is generally easterly
C.The winds should be from the southwest at your location
D.The winds should be brisk
第10题：
Generally speaking, with ______ the weather becomes cloudy or overcast with strong winds.
A.high pressures
B.low pressures
C.weak pressures
D.strong pressures