单项选择题
（）is a/an aircraft used in SAR.
A.MRCC B.SOSREP C.MCA D.3A
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?（）
单项选择题 Which of the following statements regarding low expansion foam and its application is INCORRECT?（）.
