A.Ridge
B.Col
C.Trough
D.Bora
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A.Fair weather
B.Precipitation and cloudiness
C.Scattered clouds at high elevations
D.Gradual clearing and cooler temperatures
A.Non-follow-up
B.Rudder adjustment
C.Weather adjustment
D.All the above may be activated
A.Clear weather with no wind，but the possibility of rain or snow within 24 hours
B.Deteriorating weather with rain or snow
C.Heavy rain or severe thundershowers
D.Clearing weather，possibly accompanied by high winds
A.Gale
B.Storm
C.Hurricane
D.Typhoon
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
最新試題
The winds you would expect to encounter in the North Atlantic between latitudes 5° and 30° are known as the（）.
Mechanical lifting of air by the upslope slant of the terrain is called（）.
The area of strong westerly winds occurring between 40°S and 60°S latitude is called the（）.
The Beaufort scale is used to estimate the（）.
Gale warnings are usually issued when winds of（）8-9 are expected．
While on watch，you notice that the air temperature is dropping and is approaching the dew point.Which type of weather should be forecasted（）.
Of the following，（）is not a wind.
The AMVER system requires（）.
In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.
Weather observations provided by each weather station include all of the following except（）.