A.High windsB.Gentle breezesC.Ice，snow or frozen rainD.……

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（）.

A.Hail
B.Heavy rain
C.Sleet
D.Fog

单项选择题Which of the following statements concerning frontal movements is TRUE（）.

A.The temperature rises after a cold front passes
B.The barometric pressure rises when a warm front passes
C.A cold front generally passes faster than a warm front
D.A warm front usually has more violent weather associated with it than a cold front

单项选择题Which of the following is not a frontal term（）.

A.Ridge
B.Col
C.Trough
D.Bora

单项选择题Which general weather conditions should you expect to find in a low pressure system（）.

A.Fair weather
B.Precipitation and cloudiness
C.Scattered clouds at high elevations
D.Gradual clearing and cooler temperatures

单项选择题When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear（）.

A.Non-follow-up
B.Rudder adjustment
C.Weather adjustment
D.All the above may be activated