单项选择题
Widely spaced isobars on a weather map indicate（）.
A.High winds B.Gentle breezes C.Ice，snow or frozen rain D.Probability of tornados
单项选择题 While on watch，you notice that the air temperature is dropping and is approaching the dew point.Which type of weather should be forecasted（）.
单项选择题 Which of the following statements concerning frontal movements is TRUE（）.
单项选择题 Which of the following is not a frontal term（）.
