单项选择题
Each EPIRB required on a ship shall be tested using the integrated test circuit and output indicator every（）.
A.week B.two weeks C.month D.two months
单项选择题 Each Class A EPIRB shall be stowed in a manner which will permit（）.
单项选择题 During an annual FCC inspection（）.
单项选择题 Class C EPIRBs are（）.
