单项选择题
A.backing B.going slow ahead C.going full ahead D.turning
The diurnal variation of pressure is most noticeable（）....
单项选择题The diurnal variation of pressure is most noticeable（）.
A.above the polar circles B.in a low pressure area C.during periods of low temperatures D.in the doldrums
The diurnal pressure variation is most noticeable in th...
单项选择题The diurnal pressure variation is most noticeable in the（）.
A.polar regions B.horse latitudes C.roaring forties D.doldrums
The daily recurring pattern of pressure changes most no...
单项选择题The daily recurring pattern of pressure changes most noticeable in low latitudes is the （）.
A.daily lapse reading B.diurnal variation of pressure C.pressure tendency D.synoptic pressure
