1/83AEartBMaCnMars2021年中考英语时事热点话题阅读太空探索火星、阅读理解B1WhyisitcalledMars?Youmighthaveaskedyourselfthisbefore.Well,MarsisthenameoftheRomangodofwar.Peoplehaveseentheplanetasasymbolofwarforthousandsofyears.TheancientGreeks(希腊)calledtheplanetAresaftertheirgodofwar.Chinesepeoplecalleditthe“firestar"forthesamereason.Scientistshavebeeninterestedintheplanetsincelongbeforeanyspacetasks.EgyptianscientistsfirstsawMarsintheskymorethan4,000yearsago.Sincethen,peoplefromallovertheworldhavestudiedtheplanet.Overtheyears,scientistshavecontinuedtostudytheplanetandlearnedsomebasicthingsaboutit.Marsis10timeslighterandabout6timessmallerthanEarth.Earthis93millionmiles(about150millionkm)fromthesun,whileMarsis142millionmilesaway.ThatmeansitismuchcolderonMars.Infact,theaveragetemperatureonMarsis-62°C.ScientistsfoundwateronMarslongago,butbecauseofthelowtemperaturesthere,itisfrozen.OnedayonMarsiscalledasolandisabout40minuteslongerthanoneEarthday.TheRedPlanet'ssurfacegravity(弓丨力)isonly37%asstrongasEarth's,meaningyouwouldbeabletojumpnearlytwotimeshigheronMars.1.WhatdidtheancientGreekscallMars?A.MarsB.AresC.The“firestar"D.TheRedPlanet2.WhichofthefollowingisTRUEaboutMars?A.ChinesescientistsfirstsawMars.B.MarsislighterandbiggerthanEarth.C.EarthisfatherfromthesunthanMars.D.Asolisabout1480minutes.Mars4.Thepassageisprobablytakenfroma(an).A.historybookB.storybookC.sciencebookD.artbook2/8B2Now，itmaybedifficulttopredictthefuture，butmanypeoplebelievethatwewillliveonMarsbytheyear2100.Ourownplanet，Earth，isbecomingmoreandmorecrowdedandpolluted.Well，whatproblemswillweneedtosolvebeforewepreparetogotoMars?Firstofall，transportshouldbemuchbetter.Atpresent,humansneedtospendmonthsgoingtoMarsbyspaceship.However，by2100，spaceshipcantravelathalfthespeedoflight.Itmighttakeustwoorthreedaystogetthere!Secondly，humansneedfood，waterandairtolive.ScientistsshoulddevelopplantsthatcanbegrownonMars.Theseplantswillproducethefood，waterandairthatweneed.However，thereisnoanswerforalltheproblemsnow.ThereisalsoaproblemforustoliveonMars.MarsattractsusmuchlessthantheEarthdoes.Thiswillbedangerousbecausewecouldeasilyjumptoohighandflyslowlyawayintospacethere.Wewillhavetowearspecialshoestomakeourselvesheavier.Insomeways，lifeonMarsmaynotbebetterthanthatontheearthtoday.Foodwillnotbethesame—mealswillprobablybeintheformofpillsandwillnotbeasdeliciousastheyaretoday.Also，spacetravelwillprobablymakemanypeoplefeelveryuncomfortable.1.Accordingtothepassage，bytheyear2100，wewillpossiblylive.A.onMarsB.onthemoonC.inthespaceshipD.inthesea2.Sofar，howlongdoesittakeusfromtheearthtoMarsbyspaceship?A.Twoorthreedays.B.Afewdays.C.Afewmonths.D.Afewyears.3.Accordingtothepassage，whichofthefollowingiswrong?A.Aspecialplantwhichcanproducewater，airandfoodshouldbeneededonMars.B.WemaygotoMarswhentransportismuchbetterandfaster.C.WecanjumphigheronMarsthanontheearth.D.FoodonMarswillbemuchbettertoeat.4.WewillhavetowearspecialshoestoifwewanttoliveonMars.A.makeourselveslighterB.walkfasterC.makeourselvesheavierD.jumphigher5.WhydowewanttoliveonMars?A.LifeonMarsismoreinterestingthanthatontheearth.B.Theearthisbecomingdirtyandtherearetoomanypeople..C.ThejourneytoMarsisveryinteresting.D.Thescientistswantustodothat.B3Marsisaplanet.Itisthefourthplanetfromthesunandismorethan200millionkilometersfromit.Thatisaverylongway.Marsisalsoaverylongwayawayfro...
