A.Fair weather
B.Precipitation and cloudiness
C.Scattered clouds at high elevations
D.Gradual clearing and cooler temperatures
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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
A.Change direction in a clockwise manner in the Northern Hemisphere
B.Circulate about a low pressure center in a counterclockwise manner in the Northern Hemisphere
C.Vary in strength constantly and unpredictably
D.Circulate about a high pressure center in a clockwise manner in the Southern Hemisphere
最新試題
If the sky was clear，with the exception of a few cumulus clouds，it would indicate（）.
When force of winds reaches 10-11 in Beaufort scale，we usually call such wind（）.
The Beaufort scale is used to estimate the（）.
If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you，what winds can you expect in the Southern Hemisphere?（）.
It is predicted that heavy rains are（）to flood the harbor and its vicinity in a few days.
The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the（）.
In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.
Weather forecast messages are usually（）.
Weather information is available from（）.
Weather observations provided by each weather station include all of the following except（）.