Changes direction clockwise，as from north to east，etc
Changes direction violently and erratically
Remains constant in direction and speed
Changes direction counterclockwise，as from south to east，etc
第1题：
In the Northern Hemisphere you are caught in the dangerous semicircle of a storm with plenty of sea room available. The best course of action is to bring the wind on the ______.
A.port quarter and make as much headway as possible
B.starboard quarter and make as much headway as possible
C.starboard bow and make as much headway as possible
D.port bow and make as much headway as possible
第2题：
Hurricanes may move in any direction．However，it is rare and generally of short duration when a hurricane in the Northern Hemisphere moves toward the ______．
A.West or northwest
B.Northeast
C.Southeast
D.North
第3题：
In the Northern Hemisphere, when the low pressure center at your location is northerly,
causing the wind is located to your ______.
A.NNW
B.WSW
C.ESE
D.SSW
第4题：
In the Northern Hemisphere, if the center of a high pressure area is due west of you, what wind direction would you expect?______.
A.South to west
B.South to east
C.North to west
D.North to east
第5题：
In the Northern Hemisphere a wind is said to veer when the wind ______.
A.changes direction clockwise, as from north to east, etc
B.changes direction counterclockwise, as from south to east, etc
C.changes direction violently and erratically
D.remains constant in direction and speed
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：
A weather forecast states that the wind will commence backing. In the Northern Hemisphere this would indicate that it will ______.
A.shift in a clockwise manner
B.shift in a counterclockwise manner
C.continue blowing from the same direction
D.decrease in velocity
第8题：
When the North Pole is tilted toward the sun, the Northern Hemisphere gets _____ sunlight.
A.less B.more C.all D.no
第9题：
In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.
A.south to east
B.north to west
C.north to east
D.south to west
第10题：
In the Northern Hemisphere, when the wind at your location is northerly, the low pressure center causing the wind is located to your ______.
A.NNW
B.WSW
C.ESE
D.SSW