When the radar detected an unidentified vessel entering restricted waters, the coast guard operator immediately issued a(n) _____ to all nearby patrol boats.
Aavert
Balert正確答案
Calien
Dassertion
答案與詳解
為什麼答案是 B
alert 作名詞意為「警報、警告」，issue an alert 為固定用法，符合海巡發布警報的語境。
載入中…
