小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com课时作业(十)Unit4SectionⅠWelcometotheunit&ReadingⅠ.阅读理解AWhatareyourretirementplans?Keepworking?Getmoreexercise?Orlearnsomethingnew?Youmayput__them__on__hold.There'sachancethat,soonerorlater,youmighthavetomovefurtherthanyouwerethinking,asfarasMars.OnThursday,NationalGeographicwillshowthefirsteverMarsshowhome,givingearthlings(地球人)anideaofwhattheirlifecouldlooklikeontheRedPlanet.Inthenotsodistantyearof2037,theiglooshapedstructurecouldbethehomeofyourfuture.Itshowsahousebuiltwithrecycledspacecraft(航天器)partsandMartiansoil,calledregolith,whichhasbeenmicrowavedintobricks.Somepartsofthehomearerecognizable—akitchen,abedroom—buttherearefundamentaldifferencesthatareimportanttohumansurvival.AstheMartianatmosphereisaroundonehundredthasthickastheEarth's,peoplewillneedpermanent(永久的)shelterfromthesun;societywillmovelargelyindoors.Mostbuildingswillbeconnectedbyundergroundpassagesandthehouseswon'thavewindows.Thehomeswillhavesimulatedsolarlighting,ornaturallightthathasbeenbentseveraltimes.Wallswillneedtobe10to12feetthick,toprotectpeoplefromdangerousrays(光线)thatcanpassthroughsixfeetofsteel,andadoubleairlockedentrancetokeepthehomeunderproperpressure.“Wedon'tthinkofourhousesasthingsthatkeepusalive,butonMarsyourhousewillbeasurvivalcentre,”saysStephenPetranek,authorofHowWe'llLiveonMars.Thisisnotjustthestuffofscifi.“10to20yearsfromnowtherewillcertainlybepeopleonMars，”Petraneksays.“We'vehadthetechnologyfor30yearstolandpeopleonMars,butwehaven'thadthewill，”Petraneksays.Buttwomainfactorshave“completelyswungpublicattitudes”．Theprivatecompanies'participationhasforcedgovernmentagenciestospeeduptheirgame,andinfluentialfilmssuchasGravityandTheMartianhavecaughtsociety'seye.1．Whatcanweknowabouttheshowhomefromthetext?A．Ithasnowindowsordoorsduetosecurityconcern.B．Itsdesignpresentstheideaofenvironmentalprotection.C．Ithasthickwallskeepingthehomeunderproperpressure.D．Itsundergroundpassagesconnectallthebuildingstogether.2．Whatdotheunderlinedwords“putthemonhold”inParagraph1probablymean?A．Putthemoff.B．Givethemaway.C．Carrythemthrough.D．Takethemseriously.3．AccordingtoPetranek,whathasspeduptheprocessofsendingpeopletoMars?A．ThegreatinfluenceoftheMarsshowhome.B．Thedevelopmentofrelatedtechnology.小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comC．Thecompetitionfromprivatecompanies.D．ThepopularityofinfluentialbooksonMars.4．Whatisthebesttitleforthetext?A．LivingonMars:PossibleorNotB．SendingPeopletoMars:YesorNoC．FirsteverShowHome:HowIsItMadeD．FutureHomeonMars:WhatWillItBeLikeBWhilethetemperatureinChicagoonMarch4,2018was5degrees,thewaterwasevencolder—2degrees.Thatdidn'tstopover4，800peopleonNorthAvenueBeachjumpingintoLakeMichigan.TheChicagoPolarPlungeisayearlyeventtoraisemoneyforSpecialOlympicsChicago.Eachoftheparticipants(参与者)collectatleast$200fromfriendsandfamilymemberstogetthechancetojumpintothelake'sicywater.Morethan$1.5millionwasraisedforagreatcause:SpecialOlympicsChicagoandtheover7，500athletesitserves.SpecialOlympics,anonprofitorganization,wasfoundedin1968.Thegroup'spurposeistoprovideathletictrainingandcompetitionin22sportsforchildrenandadultswithintellectualdisabilities(缺陷)．Aftersomeinitialspeeches,...