79. A distress signal ________.
C
举一反三
- （）is the most visible signal of distress from a lifeboat at sea in the daytime.
- What following is not among the functions of SOLAS ships?（） A: receive shore-to-ship distress alerting B: transmit ship-to-shore distress alerting C: receive message for public correspondence D: transmit and receive locating signal
- All of the following are distress signals under the Rules EXCEPT（）. A: a green star signal B: orange-colored smoke C: red flares D: the repeated raising and lowering of outstretched arm
- Complete the sentences with suitable words below. Sometimes more than one collocation is possible. Verbs frequently used with distress: suffer, conceal, relieve, cause, ease, feel suffer distress conceal distress relieve distress cause distress ease distress feel distress 1. The increasing unemployment rate of the country will ____ great distress to countless families. 2. He tried to ____ his distress but his trembling voice told us the truth. 3. In order to ____ his distress, we told the boy to think about the misfortune in a positive way. 4. The wild animals ____ great pain and distress when they are hunted. 5. In a civilized society, everybody should ____ distress and anger at such an evil.
- Which of the following is true? A: MAYDAY is to announce a safety message. B: MAYDAY is to announce a distress message. C: PANPAN is to announce a distress message. D: SECURITE is to announce a distress message.
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79.
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79.
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Which statement is true of a NAVTEX receiver? A: Reception is not available in Ocean Area I. B: Operates on 518 kHz. C: One must transmit a request signal to initialize the coastal station. D: Receives distress transmission directly from ships operating in the same Ocean Area.
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_____, the train started. A: The signal given B: Giving the signal C: The signal being given D: The signal giving
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2. Railway signals can be divided into home signal, starting signal, distant signal, repeating signal and shunting signal.