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1、（1）山东省实验中学高三第三次诊断性测试第一节：阅读表达(共0.5小题．每小题3分，满分15分)阅读下面的短文，请根据短文后的要求答题(请注意问题后的字数要求)Asinthefieldofspacetravel,sointheunderseaexploration(探险)newtechnologiescontinuetoappear,Theywitheachother-aswellassomeimportantdifferencesMannedsubmersibles(潜水器),likespaceships,mustmainta
2、inlivingconditionsinanunnaturalenvironment.Butwhileaspaceshipmustsimplybescaled（密封）againstthevacuum(真空)ofspace,asubmersiblemustbeabletobearextremepressureifitisnottobreakupindeepwaterInexploringspace,unmannedvehicleswereemployedbeforeastronauts,Intheunderseaexplorati
3、on,ontheotherhand,menpavedtheway,andonlyrecentlyhaveunmannedremoteoperatedvehicles(ROVS)beenputtouseOnereasonforthisisthatcommunicatingwithvehiclesinorbitismucheasierthantalkingtothoseunderwater,Avacuumisanidealmediumforradiocommunications,butunderwater,communication
4、sarelimitedtomuchslowersoundwaves,.Thus,mostunderseavehicles,particularlyROVS,operateattheendoflongropesForasimilarreasonknowingwhereyouareunderseaismuchmoredifficultthaninspace,Aspaceship’spositioncanbelocatedbyfollowingitsradiosignal,orbyusingtelescopesandradars,Fo
5、rspaceship’spositioncanbelocatedbyfollowingitsradiosignal,orbyusingtelescopesandradars,Foranunderseavehicle,however,aspecialnetworkofsonar(声纳)devicesmustbelaidoutinadvanceonth3oceanfloorintheareaofadivetolocatethevehicle’spositionThoughunderseaexplorationismorechalle
6、ngingthanouterspaceinanumberofrespects,ithasadistinctadvantage:Goingtotheoceandepthsdoesn’trequirethepowernecessarytoescapeEarth’sgravity.Thusitremainsfarlessexpensive76Whatisthebesttitleforthispassage‘’(within10words)77．Whichsentenceinthepassageistheclosestinmeaning
7、tothefollowingone?Similarly,itismoredifficulttoknowwhereyouareunderwater——————————————————————————————————————78Whatdoyouthinkoftheunderseaexploration?Why?(withinords)——————————————————————————————————————79Fillintheblankinthefirstparagraphwithaproperphrase(within10w
8、ords)——————————————————————————————————————80TranslatetheunderlinedsentenceinthelastparagraphintoChinese———————————————————————————
