34 Information regarding the safety of vessels was difficult to obtain during the 1960s due to the_____ of
navigational and communication equipment.
(A)dispute
(B)prosperity
(C) limitation
(D)implication
詳解 (共 2 筆)
未解鎖
以前1960年代，船安訊息很難獲得，因為...
未解鎖
34.在1960年代，由於航行和通訊設備...
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