問題詳情

16.If you wished to transmit a message by voice concerning the safety of navigation, you wouldpreface it by the word __________ .
(A)MAYDAY
(B)PAN PAN
(C)SECURITE
(D)SAFETY

參考答案

答案：C
難度：非常簡單1
統計：A(0),B(0),C(6),D(0),E(0)