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单选题
An amplitude of the Sun in high latitudes（）.
A
is most accurate before sunrise
B
is most accurate after sunset
C
should only be observed when the Sun's lower limb is above the horizon
D
is most accurate when the Sun's center is observed on the visible horizon
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On a weather map, a large letter “H” means ______.A.a high pressure area with cool, dry air, and fair weatherB.a high pressure area with warm, moist air, and inclement weatherC.horse latitudes, with rough seas and strong windsD.a heavy squall line near the “H”
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考题
单选题On a weather map,a large letter “h” means（）A
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单选题Weather conditions in the middle latitudes generally move（）．A
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单选题When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.A
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单选题In which voyage, between two points, is the rhumb line distance not approximately the same as the great circle distance?（）.A
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Temperature falls below normal，pulse is rapid and feeble，skin is cold and clammyB
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geostrophic windsC
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