A-A+
Weather exports use the ______ of the baromete
问题详情
Weather exports use the ______ of the barometer as one of their guides in predicting the weather.
A．isobars
B．fluctuations
C．gradations
D．mercury
参考答案
正确答案：B
解析：(fluctuation波动，起伏)。句意为：气象专家把气压计的上下浮动，作为预报天气的依据之一。A．isobar等压线；C．gradation等级，阶段；D．mercury水银。
