超星 - 英语阅读9 - 查题吧

单选题

Which of the following frequencies is as international distress and safety frequencies on MF for radio telephone?

A. 2187.5 kHz
B. 2174.5 kHz
C. 2182kHz
D. 2177.0kHz

单选题

Which of the followings is main factors to influence the propagation range for VHF?

A. channel
B. frequency
C. antenna height
D. weather

单选题

_________ are provided free of charge by the LES.

A. Distress communications
B. Traffic Lists.
C. Vessel position information to ship owners.
D. GPS relays.

单选题

A DSC call from ship with the called MMSI number 041212345 is _________.

A. an area call
B. a ship to shore call
C. a group call for ship stations
D. a ship-to-ship call

单选题

The communication arrangements are designed to enable distress alerting to be performed in all three directions: _________ in all sea areas.

A. Ship， shore and person
B. Ship to shore， shore to ship and ship to ship
C. Sea to coast， SES to CES and ship to ship
D. Ship to shore， ship to the shipping company and ship to RCC

单选题

Which of the following statements is not true regarding SART?

A. The SART has a transmitter only.
B. The SART will respond to the interrogation of radars.
C. The SART may set up survival boats.
D. The SART may set up compass deck of ship in distress.

单选题

How is the A3 Sea area defined by IMO ?

A. Within the coverage area of Inmarsat satellite， approximately between 76°N and 76°S， excluding Al A2 areas.
B. Within range of shore - based HF coast station with DSC function
C. Within range of shore - based MF coast station with DSC function
D. Area above 76°N and area below 76°S

单选题

_________ will send distress alert automatically when a ship sinks suddenly.

A lifeboat
B. A Survival craft
C. An EPIRB
D. A SART

单选题

_________ are utilized to relay Enhanced Group Calls.

A. COSPAS satellites.
B. HF SITOR shore stations.
C. NAVTEX shore stations.
D. Inmarsat satellites.

单选题

In China Ship Reporting System, what does the abbreviation of PR mean?

A. Departing Reports.
B. Personal Plan Reports.
C. Personnel Reports.
D. Position Reports.

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