單項(xiàng)選擇題Cirrus clouds are composed primarily of（）.
A.ice crystals
B.water droplets
C.snow crystals
D.nitrogen
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1.單項(xiàng)選擇題An aneroid barometer reading should be corrected for differences in（）.
A.elevation
B.temperature
C.wind speed
D.latitude
2.單項(xiàng)選擇題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
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If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon（）.
題型：?jiǎn)雾?xiàng)選擇題
The wind is（）and decreasing.
題型：?jiǎn)雾?xiàng)選擇題
In the Northern Hemisphere，an observer at point II in the weather system should experience a wind shift from the（）.
題型：?jiǎn)雾?xiàng)選擇題
The direction of prevailing winds in the Northern hemisphere is caused by the（）.
題型：?jiǎn)雾?xiàng)選擇題
What kind of conditions would you observe as the eye of a storm passes over your ship’s position（）.
題型：?jiǎn)雾?xiàng)選擇題