35. If
there has no crew was changed within last four months, the ISPS drills should be conducted .
(A) at least once
(B) at least once within last six month
(C) at least once in a year
(D) twice within eighteen months
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統計: A(10), B(4), C(2), D(1), E(0) #1231300
統計: A(10), B(4), C(2), D(1), E(0) #1231300