rescue centers participating in the rescue work.
A. exchange B. to exchange C. exchanging D. exchanged
93. A SART provides the main means _____ a survival craft or the mother ship in distress under the global maritime distress and safety system. A. to locate B. for locating C. in locating D. by locating 94. The portable SART is designed _____ on the bridge in its container. A. to stow B. for stowing C. being stowed D. to be stowed 95. What did you say on board _____ any part of the message is considered sufficiently important to need safe guarding ?
A. which B. if C. why D. that 96. The advantage of geo-stationary satellites is _____ . A. the range of antennal can cover everywhere in the world B. we can know the ship’s exact position
C. that the distress alert can be located as soon as possible
D. antenna of permanrent earth stations may be directed towards fixed points in the sky
97. Some words in English have meanings _____ the context in which they appear.
A. depended on B. which depend on C. which depends on D. to which depends on
98. The fishing vessel _____ the distress area until the assistance vessel arrived.
A. leave B. left C. has left D. didn’t leave
99. All coast radio stations _____ DSC installed for VHF and HF.
A. have B. had C. are having D. have had
100. By using previous communication system, rescue is often a matter of chance. What does “a matter of chance “ mean ?
A. occasionally B. accidentally C. often D. usually 101. SOLAS vessels should be able to communicate with a shore station _____.
A. no matter where they are and what time it is B. at scheduled time and in major ocean regions C. at fixed time and position D. when they get permission 102. The basic concept of GMDSS is _____.
A. Search and rescue authorities ashore will rapidly received an distress alert and acted upon
B. SAR units will be rapidly alerted to a distress incident and assist in a coordinated SAR operation
C. Ships navigating in the immediate vicinity of the ship in distress will rapidly alerted to the alert and give their help accordingly
D. The RCC will rapidly alerted to a distress alert through satellite and terrestrial communication techniques and conducted a rescue operation immediately
103. The complying vessels will transmit ship-to-shore distress alert by _____ in area A4. A. MF DSC B. HF DSC C. 406MHZ S-EPIRB D. Both b and c 104. The INMARSAT safety-net service covers _____. A. the whole world B. all NAVAREAS C. areas from A1 to A2 D. only four Inmarsat regions 105. Which Inmarsat system applies store-and-forward messaging ? A. Inmarsat-A B. Inmarsat-B C. Inmarsat-C D. Inmarsat-F
106. The Inmarsat system is open for use by _____countries on a non-discriminatory basis .
A. some B. lots of C. many D. all
107. Sea Area A3 is an area within the coverage of _____in which continuous alerting available .
A. VHF stations B. MF/HF stations 四
C. Radio stations D. INMARSAT stations
108. The GMDSS must combine all various subsystems, because _____. A. they all have different limitations with respect to coverage B. they all have different limitations in the technology they use C. different systems apply to different ships D. all of above
109. In addition to communication equipment, the GMDSS will introduce requirements of SARTs and EPIRBs designed to improve the _____. A. living standards B. survival condition C. chance of survival D. technical specification
110. Ships equipped with Inmarsat SES send distress alerts both _____and _____. A. quick and good B. convenient and certain C. easily and simply D. important and difficult
111. Some radio waves _____ the surface of the earth because of its _____ . A. are capable of following / distance B. can follow / altitude C. can hardly follow / shape D. are unable following / angle 112. Ships in areas A3 and A4 will transmit, as appropriate, _____ .
A. a ship to ship alert on MF/VHF B. a ship to shore alert by SES/HF DSC C. a ship to shore alert by satellite EPIRB D. all of a, b, c
113. What?s the advantage when using the satellites ? A. The message can be directed to the desired location B. The message can follow the earth?s curvature C. The quality of message can not be affected by climatic
D. the range of the message extend and the quality of reception is improved 114. General communications are those communications _____ . A. between ship stations and shore-based communication networks B. concern the management and operation of ships C. may have an impact of the safety on ships D. all of A, B, C
115. What channel is general communication used ?
A. any appropriate channel except public communication B. any appropriate channel except for public communications C. any appropriate channel besides public communication D. any appropriate channel beside public communication
116. A ship station on receiving a shore-to-ship distress alert should _____ . A. keep silence
B. interfere with such communication
C. establish communication as directed and render such assistance as is required and appropriate
D. refuse communication as directed and render such assistance as is required and appropriate 117. Signals for locating will be transmitted in the 9GHz band by means of _____ . A. SART B. DSC C. NBDP D. RT
118. Which of the following optional equipment can be used by a ship in Area A3 for ship to
shore distress alerting ?
A. VHF DSC B. MF DSC C. INMARSAT SES D. VHF 70CH EPIRB 119. The ARQ mode should be applied _____ . A. when two stations communicate with each other B. in any radio system and at any time
C. when one ship sends a message to another station D. for communication among some stations
120. The SART should provide a _____ indication of its correct operation and should also inform survivors when it is interrogated by radar. A. sight or sound B. seeing or sounding C. visual or audible D. seeing or hearing 121. When the power of a SART is on , it will _____ .
A. transmit distress signal B. send response signal
C. transmit the signal of ship?s position D. be interrogated by X-band radar
122. With the help of modern technology, ships are able to receive automated broadcast of safety messages _____ .
A. by day or at night B. almost round the clock C. somewhat and sometime D. from sunrise to sunset
123. International SafetyNet and Navtex Services promulgate MSI by means of _____ . A. FEC and ARQ B. satellite and terrestrial communications C. radio and telex D. NBDP
124. In the GMDSS, MSI broadcasts will be made on two dedicated systems: _____ and _____ . A. NBDP/VHF radio B. Inmarsat safetyNet/NAVTEX C. Safety service / Inmarsat-A D. Long range / short range
