单项选择题
（） is not a search manual.
A.MERSAR B.IMOSAR C.ICAO SAR D.SOSREP
单项选择题 （）is a/an aircraft used in SAR.
单项选择题 Which statement about firefighting foam is TRUE?（）
单项选择题 Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia?（）
