7. If there is any doubt as to the proper operation of a radar, which statement is TRUE?

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• If in any doubt as to the pilot’s actions or intentions，the officer in charge of the navigational watch shall（）.

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• If at any time the officer in charge of the navigational watch is to be relieved when a manoeuvre or other action to avoid any hazard is taking place,（）.

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• If a magnetic compass is not affected by any magnetic field other than the Earth’s，which statement is TRUE?（）.

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• Acknowledgement by you of receipt of a distress message from a vessel which，beyond any possible doubt，is not in your vicinity and is a long distance away must be made when（）.

  A . Vessels nearer the distress vessel acknowledge receipt B . Vessels nearer the distress vessel fail to acknowledge receipt C . Even you have not reveived the distress D . Even the vessel in distress expressly prohibit you from providing any salvage service

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• If there are any Certificates expired or nearing expiry the master of a ship must shall apply fortheir （） at any port.

  A . inspection or issuance B . requirements or renewal C . renewal or extension D . extension or expiring

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• Bunkering shall be terminated if there is a （）

  A . severe electrical storm B . fire on the pier C . fire on the ship D . any of the above

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  A . Deck Logbook B . Master's Note C . Bell Book D . Master's Standing Order

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  A . the Carrier B . the Owner C . the Captain D . the Merchant

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  A．what B．whatever C．however D．how

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• ____, do not help yourself to cake first; bread－and－butter first, then cake if there is any.

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• Never use any drug unless there is a good reason, especially for the woman who is expecting a baby. Ask the patient if he has had previous drug reactions: if he has, be careful. It is estimated that more than half of the adverse reactions that are reported would be prevented if this were done. Ask the patient ff he is already receiving other drugs.

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