问题
单项选择题
When the ship is under attack by pirates,or terrorists,（）needs to be activated.
A.AIS
B.SSAS
C.SSP
D.SART
答案
参考答案：B
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When the ship is under attack by pirates,or terrorists,（）needs to be activated.
A.AIS
B.SSAS
C.SSP
D.SART
参考答案：B