33.船員受僱上船服務,應檢具經公立醫院體格檢查合格之證明書,其有效期為幾年?
(A)5
(B)3
(C)2
(D)1
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統計: A(7), B(5), C(101), D(6), E(0) #580760
統計: A(7), B(5), C(101), D(6), E(0) #580760