directly from high pressure toward low pressure
directly from low pressure toward high pressure
from high pressure toward low pressure deflected by the earth's rotation
from low pressure toward high pressure deflected by the earth's rotation
第1题：
If the current and wind are in the same direction，the sea surface represents a wind speed ______.
A.lower than actually exists
B.higher than actually exists
C.that actually exists
D.that has no proportional relationship
第2题：
When recording the wind direction in the weather log，you would report the ______．
A.direction the wind is blowing toward
B.direction the wind is blowing from
C.duration of the maximum gust of wind
D.wind chill factor
第3题：
SHIFT OF WIND DIRECTION IN AN ANTICLOCKWISE MANNER, FOR EXAMPLE FROM NORTH TO WEST ( OPPOSITE OF VEERING ) defines ______.
A.Backing (of wind)
B.Veering (of wind)
C.Shifting of wind
D.altering of wind
第4题：
Changing direction by bringing the stern of the vessel through the eye of the wind is known as _______.
A.jibing
B.running before the wind
C.Reefing
D.tacking
第5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6题：
If the current and wind are in opposite directions，the sea surface represents ______.
A.a greatly reduced wind speed
B.a higher wind speed than what really exists
C.a lower wind speed than what really exists
D.more turbulent winds
第7题：
The velocity of the apparent wind can be more than the true wind，and come from the same direction，if certain conditions are present．One condition is that the ______．
A.Ship's speed must be less than the true wind velocity
B.True wind must be from dead astern
C.True wind velocity must be faster than the ship's speed
D.True wind must be from dead ahead
第8题：
The best estimate of the wind direction at sea level can be obtained from observing the direction of the ______.
A.cloud movement
B.vessel heading
C.waves
D.swells
第9题：
An anemometer on a moving vessel measures ______.
A.apparent wind speed only
B.true wind speed and true wind direction
C.true wind speed only
D.apparent wind speed and true wind direction
第10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