单项选择题
General information on enroute weather and climate is found in（）.
A.the Sailing Directions and the Coast Pilot B.a weather fax C.the Local Notice to Mariners D.the Light List
单项选择题 Fusible-link fire dampers are operated by（）.
单项选择题 From your position you observe a rotating white and green light to the north. This light is most likely（）.
单项选择题 From which type of cloud can a tornado or waterspout develop?（）
