equatorial current
humidity
rotation of the earth
change of seasons
第1题：
A vessel entering the eye of a hurricane should expect ______.
A.moderating winds and heavy confused seas to strike his vessel from all directions
B.the winds to increase to hurricane force and strike from a different direction as the eye passes
C.the barometer to reach the lowest point
D.All of the above
第2题：
______ are experienced in temperate latitudes during warm summer weather but rarely exceed Force 3 and may extend 10 to 15 miles on either side of the coastline．
A.Trade Winds
B.Winds of the temperate zones
C.Monsoons
D.Land and Sea Breezes
第3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4题：
FLOATING ， CAUSED BY WINDS AND CURRENT WITH A DETERMINABLE DIRECTION defines______．
A.Floating
B.Sailing
C.Running into danger
D.Drifting
第5题：
On the pole side of the trade wind belt，there is an area of high pressure with weak pressure gradients and light，variable winds．This area is called the ______．
A.Prevailing westerlies
B.Geostrophic winds
C.Doldrums
D.Horse latitudes
第6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7题：
The direction of prevailing winds in the Northern hemisphere is caused by the ______．
A.Magnetic field at the North Pole
B.Gulf Stream
C.Earth's rotation
D.Arctic cold fronts
第8题：
The consistent winds blowing from the horse latitudes to the doldrums are called the ______.
A.prevailing westerlies
B.polar easterlies
C.trade winds
D.roaring forties
第9题：
The horse latitudes are characterized by ______．
A.weak pressure gradients and light，variable winds
B.the formation of typhoons or hurricanes in certain seasons
C.steady winds in one direction for six months followed by wind reversal for the next six months
D.steady winds generally from the southeast in the Southern Hemisphere
第10题：
If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere?______.
A.East to northeast
B.East to southeast
C.North to northwest
D.South to southeast