A.RCC
B.OSC
C.CSS
D.GPS
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A.has left already
B.left already
C.had left already
D.would left already
最新試題
The date and time kept in the radiotelephone log shall commence at（）.
The Vessel Bridge-to-Bridge Radiotelephone Act applies to which towboat?（）
Which of the following statements is TRUE regarding automatic identification systems (AIS)? （）
Automatic identification systems (AIS) are required to（）.
Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations，vessels and aircraft? （）
The following（）is a standard phrase.
Sorry to have kept you（）for a long time.
Tell me（），please.
Electrical wiring on all T-Boats must be（）.
The Departure Report，required by vessels participating in AMVER，must be sent（）.