For GMDSS，when may a compulsory vessel not be allowed to leave port?（）

A、On the chart B、Coast Pilot C、Light List D、Notice to Mariners

A . has completed the terms of the charter party B . is in all respects ready to load C . is in all respects ready to sail D . is safely moored or at a suitable anchorage

A . 6 months B . 1 year C . 2 years D . 3 year

A . The persence of cirrus clouds B . The low-hanging stratus clouds C . The altocumulus clouds D . The massive cumulus cloud

A . Master only B . Owners only C . Licensed officers only D . Any individual connected with the vessel involved in the operatio

A . No action is necessary，as the DSC control unit will automatically switch to the NBDP follow-on communications frequency B . The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received C . The Operator should immediately set continuous watch on VHF channel 70 D . The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received

A . No, you can't do it B . Sorry, but you may not C . Well, I am afraid I am going to use it myself D . Of course not. I'm going to need it myself

A . Master only B . Owners only C . Licensed officer on watch D . Any individual connected with the vessel

A . A、我有一个包裹先放在这里 B . B、没有我想看的电视节目 C . C、我可以给他留言吗 D . D、我可以免费打长途电话吗

A . A compulsory vessel must carry at least two (2) licensed GMDSS operators B . A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails C . A compulsory vessel must be able to transmit and respond to distress alerts D . All of the above

A . smoke density has been decreased sufficiently to see the bulkhead opposite the compartments entrance B . a lifeline and explosion proof flash light are used C . all smoke and toxic fumes are removed and an adequate oxygen supply is present D . overhaul has been completed to remove any possible source of re-ignitio

A . Clear weather with no wind，but the possibility of rain or snow within 24 hours B . Deteriorating weather with rain or snow C . Heavy rain or severe thundershowers D . Clearing weather，possibly accompanied by high wind

A . It will abort the transmission and set off an audible alarm that must be manually reset B . It will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situation C . It will initiate the DSC distress alert and default information will automatically be transmitted D . It will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situatio

A . Lead B . Babbitt C . Solder D . Nothing

A . A conditional or partial exemption may be granted，in exceptional circumstances，for a single voyage outside the sea area for which the vessel is equipped B . Once a compulsory vessel's GMDSS station has been fitted and inspected，the station must be inspected only once every five years C . All passenger vessels and all cargo vessels that are 300 Gross Tons or larger must comply D . Compulsory vessels must carry at least two licensed GMDSS Radio Operator

A . Passengers are excluded from the pilothouse while underway B . Passengers are permitted in the pilothouse during daylight hours only C . Passengers are permitted to visit the pilothouse when authorized by the Master and officer of the watch D . Passengers are permitted in the pilothouse when they are escorted by a ship's officer

A、Phase 1 B、Phase 2 C、Phase 3 D、Phase 4

A、When one is an adult and one is a child under 3 years of age. B、Only during the en route flight. C、During all operations except the takeoff and landing portion of a flight.

A:正确; B:错误

A．what B． which C． those D． that