36. In cases where more than 25 percent of ship’s personnel has been changed, for the sake of
safety, you had better conduct the drills within .
(A) 24 hours
(B) seven days
(C) one month
(D) three months
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統計: A(4), B(8), C(2), D(0), E(0) #1231301
統計: A(4), B(8), C(2), D(0), E(0) #1231301