单项选择题
In the doldrums you can expect().
A.steady, constant winds B.frequent rain showers and thunderstorms C.steep pressure gradients D.low relative humidity
单项选择题 In the doldrums you will not have().
单项选择题 In the northern hemisphere, the largest waves or swells created by a typhoon or hurricane will be located().
单项选择题 In weather report, position good means that().