urgent traffic
distress alert
routine traffic
NAVTEX message
第1题：
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the ______.
A.distress position
B.spoken words “Mayday, Mayday, Mayday”
C.ship’s name
D.ship’s call letters
第2题：
relevant to
relate to
in response to
in relation to
第3题：
A、Distress/distress
B、allship/Distress
C、Distress/ALL ship
D、All ship/All ship
第4题：
The transmission is aborted and an alarm sounds to indicate this data must be provided by the operator
The transmission is not initiated and ERROR is indicated on the display readout
The transmission will be made with default information provided automatically
The receiving station will poll the DSC unit of the vessel in distress to download the necessary information
第5题：
indicate the ship in distress that the alert has been received
alert ships in the area of a distress incident that a distress has occurred
inform other coast station of distress incident
repeat the distress alert in 5 minutes
第6题：
第7题：
the ship has received the DSC distress call on a HF frequency
the coast station concerned has not acknowledged it within 5 minutes
the ship will take command of search and rescue in 5 minutes
A and B
第8题：
________is the most visible signal of distress from a lifeboat at sea in the daytime.
A.Smoke signal
B.Flash signal
C.Fire signal
D.Radio emergency transmission
第9题：
identity
identical
identify
identification
第10题：
Search and rescue authorities ashore can be alerted to a distress situation
Shipping in the immediate vicinity of a ship in distress will be rapidly alerted
Shoreside authorities and vessels can assist in a coordinated SAR operation with minimum delay
All of the above