A.must
B.ought to
C.have to
D.never
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A.one minute
B.three minutes
C.five minutes
D.eight minutes
A.answers very well
B.rudder answers all right
C.answers slow
D.answers fast
A.length and width of space
B.length of space only
C.width of space only
D.neither length nor width
A.concealed to prevent mechanical damage
B.concealed so the boat can be maintained more easily
C.protected from the weather
D.in an accessible place behind the ceiling
A.overtake
B.not overtake
C.overtake or not
D.decide if you should overtake
最新試題
Routine radio communications should be no more than（）.
Which of the following statements is TRUE regarding automatic identification systems (AIS) ? （）
The Vessel Bridge-to-Bridge Radiotelephone Act applies to which towboat?（）
The following（）is a standard phrase.
That ship arrived there（）6 p.m.yesterday.
The date and time kept in the radiotelephone log shall commence at（）.
Shall we（）wait at the roadstead till there is a free berth for us?
Sorry to have kept you（）for a long time.
When communicating on the radiotelephone using plain English，what procedure word indicates the end of my transmission and that a response is necessary? （）
Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations，vessels and aircraft? （）