阿摩線上測驗
12. The vessel sent a______ signal, and the Coast Guard Administration sent Coast Guard boats and requested
National Airborne Service Corps to dispatch helicopters to rescue.
(A) distress
(B) caution
(C) penetration
(D) communication
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統計： A(81), B(150), C(33), D(45), E(0) #3228956
統計： A(81), B(150), C(33), D(45), E(0) #3228956
