单项选择题
A.polar regions
B.horse latitudes
C.roaring forties
D.doldrums
单项选择题 The daily recurring pattern of pressure changes most noticeable in low latitudes is the ().
单项选择题 That BE IT KNOWN THAT MV GLUCKAULF UNDER MY COMMAND HAS A DWC OF 12,431 M/T ON SUMMER LOADLINE,AND A BALE CAPACITY OF 18,439 CU.M.AND A GRAIN CAPACITY OF 19,941 CU.M.is likely to be the wording of().
单项选择题 Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.