通信英语阅读练习

GMDSS英语阅读练习4

一、缩略语

1、ETA

Estimate Time of Arrival预计抵达时间

Estimated Time of Arrival预计抵达时间

Estimating Time of Arrival预计抵达时间

Estimated Time of Arriving预计抵达时间

2、MF

Medium Frequency 中频

Medium Frequency 高频

Medium Frequency 甚高频

Medium Frequency 射频

3、MMSI

Maritime Mobile System Identification 海上移动系统识别

Maritime Mobile System Identity 海上移动系统识别

Maritime Mobile Service Identity 海上移动业务识别

Maritime Mobile Service Identification海上移动业务识别

4、NCC

Network Coorperation Center网络协调中心

Network Coordination Center网络协作中心

Network Coorperation Center网络协调中心

Network Coordination Center网络协调中心

5、SSB

Signal Side Band 单边带

Single Side Band 单边带

Signale Side Band 单边带

Single Slide Band 单边带

二、单选题

1、 Which of the following equipments on board is for the COSPAS-SARSAT system? A:DSC

B:NAVTEX

C:VHF

D:EPIRB

2、Please choose the INMARSAT-C NCS ID of the W-AOR:

A:044

B:001

C:211

D:144

3、 Which service does not the EGC system have?

A:Safety NET

B:Fleet NET

C:SART

D:Sending MSI

4、The VHF CH70 could be used to send ______:

A:FAX

B:DSC

C:NBDP

D:SSB

5、In each NAVTEX message there is a technical code (B1B2B3B4):which character is the station identification ?

A:B1

B:B2

C:B3

D:B3B4

6、The following radio communication systems are used in GMDSS except the INMARSAT system:

A:VHF

B:VHF MF and HF terrestrial systems

C:the COSPAS-ASRSAT system

D:the FLAG SIGNAL systems

7、Which equipment is required to be carried in the all sea areas ?

A:VHF

B:MF

C:HF

D:SES

8、Where is the INMARSAT’S headquarters?

A:China

B:The U:S:A

C:the United Kingdom

D:Canada

9、The Maritime safety information contains _________:

A:distress message

B:Urgency message

C:Distress alert

D:Navigational and meteorological warnings

10、Both the satellite communication and terrestrial communications will _________: A:not be used in the GMDSS

B:be used only for general communications

C:be replaced by Morse

D:be used in the GMDSS

11、If we pass this test it may be possible for us to obtain

A:The First-class Radioelectronic Certificate

B:The Second-class Radioelectronic Certificate

C:The General Operator’s Certificate

D:The Restricted Operator’s Certificate

12、Which of the following statement is correct?A:2182 KHz is a carrier frequency used for distress and safety communications using radio telegraphy which class of emission is A1

A:

B:2187:5 KHz is a carrier frequency used for distress and safety calls using digital selective calling:

C:2187:5 KHz is a carrier frequency used for distress and safety calls using narrow-band-direct-printing:

D:2182 KHz is a carrier frequency used for distress and safety traffic using narrow band direct printing:

13、There are VHF equipments and either a satellite EPIRB or a VHF EPIRB on board according to the equipment carriage requirement:Which sea area does the ship sail? A:A1

B:A2

C:A3

D:A4

14、Which of the following description of usage is suitable for 2174:5KHz frequency? A:MSI

B:NBDP

C:DSC

D:RT

15、Which of the following description about Sea Area A3 is correct?

A:an area within the radiotelephone coverage of at least one VHF coast station and one MF coast station

B:an area, including Sea Area A1 and A2, within the coverage of an INMARSAT geostationary satellite.

C:An area, excluding Sea Area A1 and A2, within the coverage of an INMARSAT