单项选择题
Anticyclones are usually characterized by（）.
A.dry，fair weather
B.high winds and cloudiness
C.gustiness and continuous precipitation
D.overcast skies
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相关考题
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An occluded front on a weather map is colored（）.
A.blue line
B.purple line
C.dashed blue line
D.alternate red and blue line -
单项选择题
An aneroid barometer is an instrument（）.
A.used to measure the speed of wind
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An air mass is termed warm if（）.
A.it is above 70°F
B.the ground over which it moves is cooler than the air
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