通信英语1

GMDSS

英语阅读练习

一、缩略语

1

、

GMDSS

A:Global Maritine Distress and Safety System

全球海上遇险与安全系统

B:Global Maritime Distress and Safe System

全球海上遇险与安全系统

C:Global Maritime Distress and Safety System

全球海上遇险与安全系统

D:Global Maritime Distress and Safety System

全球海上遇险系统

2

、

INMARSAT

A:International Mobile Satellite Organization

国际海事卫星组织

B:International Maritime Satellite Organization

国际移动卫星组织

C:International Maritime Satellite Organization

国家海事卫星组织

D:International Maritime Satellite Organization

国际海事卫星组织

3

、

POR

A:Pacific Ocean Region

大西洋区

B:Pacific Ocean Region

太平洋区

C:Pacific Ocean Region

印度洋区

D:Pacific Ocean Region

北冰洋区

4

、

DSC

A:Digital Select Call

数字选择性呼叫

B:Digital Search Call

数字选择性呼叫

C:Digital Selective Call

数字选择性呼叫

D:Digital Searching Call

数字选择性呼叫

5

、

MSI

A:Maritime Safety Information

海上安全信息

B:Mobile Safety Information

海上安全信息

C:Maritime Safe Information

海上安全信息

D:Maritime Signe Information

海上安全信息

二、单选题

1

、

Which of the following equipments on board is for the COSPASSARSAT

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 USA

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 A1A

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 VHFcoast

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

geostationary satellite.

D:An area, excluding Sea Area A1 and A2, within the coverage of an COSPAS

—

SARSAT system.

16

、

In the COSPAS- SARSAT system, there are _______types of beacons at

present?

A:3

B:2

C:1

D:4

17

、

The medical message should be preceded by the word ________.

A:OBS

B:TMZ

C:MEDICO

D:NW

18

、

All the distress message should be preceded by ______.

A:PAN PAN

B:SECURITE

C:MAYDAY

D:MEDICO

19

、

What final place is a distress call/message routed to?

A:CES

B:NCS

C:RCC

D:MCC

20

、

The date for entry into full effect for GMDSS is 1st February

_______.

。

A:1999

B:1992

C:1995

D:1997

三、阅读理解

PASSAGE1.

Basic description of DSC:DSC is basically a calling system .Each call

consists

of

a

“

packet

”

of

digitized

information

of

one

of

four

priorities

:

Distress , Urgency , Safety , Routine :Message can be routed to

“

all

stations

”

,

to

an

individual

station

or

to

a

group

of

stations,

using

their

Maritime

Mobile

Selective-call

Identify

code

(MMSI):Distress

messages

areautomatically

broadcast

to

“

All

stations

”

.

In

addition

to

the

MMSI

of

source and destination stations, information can be conveyed in the DSC

message:For example, to aid the Rescue Service, the DSC Distress alert

message

is

configured

to

contain

the

following:

AShip

’

s

identify

(the

nine

digit MMSI) BTime. C Nature of distress (in the form of standard code)

DShip

’

s position. Where fitted ship

’

s officers should ensure they are

fully

conversant

with

the

procedure

for

entering

the

necessary

information

into

DSC

equipment:At

sea,

unless

provided

automatically

from

a

navigation

system, ship

’

s position should be update at least once during each watch

period.

1

、

At sea, if DSC equipment can

’

t get ship

’

s position message from a

navigation

system

automatically,

then

the

position

message

should

be

renewed _______.

A:.at least every 4 hours

:

B:at least every 8 hours

least every 12 hours:

D:at least every 24 hours.

2

、

According to the message, distress message can be received by _______.

A:all stations:

B:coast stations.

C:ship stations:

D:group of specified stations.