单项选择题
An aneroid barometer reading should be corrected for differences in（）.
A.elevation B.temperature C.wind speed D.latitude
单项选择题 An anemometer on a moving vessel measures（）.
单项选择题 Altocumulus clouds are defined as（）.
单项选择题 Above-normal tides near the center of a hurricane maybe caused by the（）.
