英语阅读与翻译试题、答案-潘书策提供

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1、I、ReadingComprehensionA、On-scene(现场)communicationsarethosebetweenthemobileunitindistressandassistingmobileunits,andbetweenthemobileunitsandtheunitcoordinatingsearchandrescueoperations.Control(管制)ofon-scenecommunicationsistheresponsibility(职责)oftheunitcoordi

2、natingsearchandrescueoperations.Simplex(单工)communicationsshallbeusedsothatallon-scenemobilestationsmaysharerelevantinformationconcerningthedistressincident.Ifdirect-printingtelegraphyisused,itshallbeintheforwarderror-correctingmode(纠错方式)Thepreferred(选用)freq

3、uencyinradiotelephonyforon-scenecommunicationsare156.8MHzand2182kHz.Thefrequency2174.5kHzmayalsobeusedforship-to-shipon-scenecommunicationsusingnarrow-banddirect-printingtelegraphyintheforwarderror-correctingmode.Inadditionto156.8MHzand2182kHz,thefrequencie

4、s3023kHz,4125kHz,5680kHz,123.1MHzand156.3MHzmaybeusedforship-to-aircrafton-scenecommunications.Theselectionordesignation(指定)ofon-scenefrequenciesistheresponsibilityoftheunitcoordinatingsearchandrescueoperations.Normally,onceanon-scenefrequencyisestablisheda

5、continuousaural(不断收听)orteleprinterwatch(电传机职守)ismaintainedbyallparticipatingon-scenemobileunitsontheselectedfrequency.Locatingsignalsareradiotransmissionsintendedto-facilitate（使容易）thefindingofamobileunitindistressorthelocationofsurvivors.Thesesignalsinclude

6、thosetransmittedbysearchingunitsandthosetransmittedbythemobileunitindistress,bysurvivalcraftbyfloat-freeEPIRBs,bysatelliteEPIRBsandbysearchandrescueradartransponders(应答器)toassistthesearchingunits.Homing(引航)signalsarethoselocatingsignalswhicharetransmittedby

7、mobileunitsindistress,orbysurvivalcraft,forthepurposeofprovidingsearchingunitswithasignalthatcanbeusedtodeterminethebearingtothetransmittingstations.Locatingsignalsmaybetransmittedinthefollowingfrequencybards:117-975.136MHz;156-174MHz;406-406.1MHzand9200-95

8、00MHz.LocatingsignalsshallbeinaccordancewiththeInternationalRadioConsultativeCommittee.1.On-scenecommunicationsarethosebetween_____.DA:themobileunitindistressandassistingmobileunits.B:themobileunitsand