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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),likespaceshi
2、ps,mustmaintainlivingconditionsinanunnaturalenvironment.Butwhileaspaceshipmustsimplybescaled（密封）againstthevacuum(真空)ofspace,asubmersiblemustbeabletobearextremepressureifitisnottobreakupindeepwaterInexploringspace,unmannedvehicleswereemployedbeforeastrona
3、uts,Intheunderseaexploration,ontheotherhand,menpavedtheway,andonlyrecentlyhaveunmannedremoteoperatedvehicles(ROVS)beenputtouseOnereasonforthisisthatcommunicatingwithvehiclesinorbitismucheasierthantalkingtothoseunderwater,Avacuumisanidealmediumforradiocom
4、munications,butunderwater,communicationsarelimitedtomuchslowersoundwaves,.Thus,mostunderseavehicles,particularlyROVS,operateattheendoflongropesForasimilarreasonknowingwhereyouareunderseaismuchmoredifficultthaninspace,Aspaceship’spositioncanbelocatedbyfol
5、lowingitsradiosignal,orbyusingtelescopesandradars,Forspaceship’spositioncanbelocatedbyfollowingitsradiosignal,orbyusingtelescopesandradars,Foranunderseavehicle,however,aspecialnetworkofsonar(声纳)devicesmustbelaidoutinadvanceonth3oceanfloorintheareaofadive
6、tolocatethevehicle’spositionThoughunderseaexplorationismorechallengingthanouterspaceinanumberofrespects,ithasadistinctadvantage:Goingtotheoceandepthsdoesn’trequirethepowernecessarytoescapeEarth’sgravity.Thusitremainsfarlessexpensive76Whatisthebesttitlefo
7、rthispassage‘’(within10words)77．Whichsentenceinthepassageistheclosestinmeaningtothefollowingone?Similarly,itismoredifficulttoknowwhereyouareunderwater——————————————————————————————————————78Whatdoyouthinkoftheunderseaexploration?Why?(withinords)—————————
8、—————————————————————————————79Fillintheblankinthefirstparagraphwithaproperphrase(within10words)——————————————————————————————————————80TranslatetheunderlinedsentenceinthelastparagraphintoChinese———————————————————————————
