MAYDAY sent by radiotelephone
Continuous sounding of fog horn
Green star shells fired from a launcher
Square flag and ball in a vertical line
第1题：
What is the most appropriate action for a GMDSS radio operator to take in a distress situation where immediate help is needed，but the vessel is not sinking nor needs to be abandoned ________．
A.Switch off EPIRB and SART manually
B.Transmit distress call by MF/HF，VHF or INMARSAT
C.Notify the RCC（Rescue Coordination Center）through VHF FM on channel 13
D.Transmit distress call by activating the radiotelegraph automatic alarm signal
第2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3题：
One of the signals, other than a distress signal, that can be used by a rescue boat to attract attention is a/an ______.
A.red star shell
B.searchlight
C.burning barrel
D.orange smoke signal
第4题：
use English language
always use the International Code
preface it by the word SOS
follow the transmission with the radio alarm signal
第5题：
local-mode coverage
SAR operations
data process
continuous broadcast
第6题：
If you are on the beach and are signaling to a small boat in distress that your present location is dangerous and they should land to the left，you would ______．
A.fire a green star to the left
B.send the letter K by light and point to the left
C.place an orange signal to your left as you signal with a white light
D.send the code signal S followed by L
第7题：
An orange flag showing a black circle and square is a ______.
A.signal indicating a course change
B.distress signal
C.signal of asking to communicate with another vessel
D.signal indicating danger
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：
Smoke signal
Flash signal
Fire signal
Radio emergency transmission
第10题：
red star shell
searchlight
burning barrel
orange smoke signal