Unit6SurvivalReadingToreadthepassageandfindoutthereasonsforhumanstoliveonMarsToknowtheproblemsfacedbyhumanToconductaninterviewaboutlivingonMarsWhereisMars?HowmuchdoyouknowaboutMars?Locatedatanaveragedistancefromthesunof228millionkilometres,MarsisthefourthplanetoftheSolarSystem.MarsisalsoknownastheRedPlanet,becauseofitsdistinctivecolour.VisiblefromEarthwiththenakedeye,Marshasplayedacentralinthemythologiesofmanycultures,andinmoderntimesithasexercisedafascinationoverallthoseinterestedinthesearchforextra-terrestriallifeandthehumancolonizationofotherworlds.MarsisslightlymorethanhalfthesizeofEarth,withcorrespondinglowergravity.It’sadry,rockyplanet,withwhitepolar“ice”capsthatconsistmostlyoffrozencarbondioxide.TheaveragetemperatureonMarsisminus63degreesCelsius.AdayonMarsisaboutaslongasadayonEarth,plusabout39minutes.SeasonsandyearsaretwiceaslongastheyareonEarth.Sincethe1960s,Marshasbeenthesubjectofseveralunmannedexplorationmissions.However,manysuchearlymissionsfailed.MoreAboutMars

Itmaybedifficult

toimagine

whenpeoplewillliveontheplanetMars.CompletethequizandfindouthowmuchyouknowaboutMars.Trytoguessifyouarenotsureoftheanswers.1)Marsisthe_____smallestplanetinthesolarsystem.a.secondb.thirdc.fourth2)ThesurfaceofMarsiscoveredin_____.a.rocksb.waterc.grassaa3)TheaveragerecordedtemperatureonMarsis______.a.40℃b.2℃c.-63℃4)OnedayonMarsisabout______long.a.18hoursb.24hoursc.37hourscbPredictthemainideaaccordingtothetitleandthepictures.ReadthepassageandfindoutwhyhumansmightliveonMars.BecauseMarsisrelativelyclosetoEarthandhasanenvironmentlesshostilethanthatofotherplanets.WhydowehavePlanBforEarth?Oneoption—Mars.Why?DifficultiesofexploringMarsHumans’explorationrelatedtoMarsRightnow,Earthistheonlyhomewehave!Paragraph1Paragraph2Paragraph3Paragraph4Paragraph5Workoutthemainideaofeachparagraph.Choosethemagazineinwhichyouwouldmostlikelyfindthepassageandgiveyourreasons.AllAboutSpaceTheTravellerEnvironmentalConcernsBiologyforFunThecharacteristicofeachmagazine:TheTraveller:focusesonthepersonwhotravels,whathesees,whathedoesorhowhefeels.AllAboutSpace:focusesonthesecretoftheouterspace,showingvariousfascinatingnaturalphenomena.EnvironmentalConcerns:focusesonvariousenvironmentalproblems,whichusuallydrawspeople’sgreatconcern.BiologyforFun:focusesonstudiesaboutlifeandlivingorganismsforfun,includingtheirphysicalstructureandchemicalprocesses.WhydowehavePlanBforEarth?Paragraph1FearSolutionPlanBnuclearmissilesTodayenvironmentalproblemsScientistsarethinkingofwaystolowerthisrisk,suchasreplacingcoalandoilwithformsofrenewableenergy.Buttheyarealsopreparingfortheworst:whatcanwedoiftheterrifyingscenesinfilmssuchasTheDayAfterTomorrowhappeninreallife?CluesfromthepassageHaveyouseenthefilm“TheDayAfterTomorrow”?TheDayAfterTomorrowisa2004Americanscience-fictiondisasterfilm.ThefilmisbasedonthebookTheComingGlobalSuperstormbyArtBellandWhitleyStrieber.Thefilmdepictsthecatastrophiceffectsofclimatechange,withextremeweathereventsleadingtoglobalcoolingandanewiceage.Rightnow,Earthistheonlyhomewehave!Paragraph5Untilnow,humansettlementofMarsisstilldecadesaway.Inthemeantime,scientificresearchshowsthattheplanetEarthisgettingwarmer.Thischangeisbeingcausedbyhumanactivityandishavingaterribleeffectonthebiosphere.So,weneedtotakemuchbettercareofourownplanet—Earth.CluesfromthepassageAllAboutSpaceTheTravellerEnvironmentalConcernsBiologyforFunAllthecluestellusthepassageismostlikelytobefoundinthemagazine—

EnvironmentalConcerns.1)Whatwasthegreatestfearinthe1960sand1970s?A.Nuclearmissiles.

B.Environmentalproblems.C.Exploringspace.

D.Pollution.2)WhatdoesPlanBmeaninthepassage?A.ReplacingcoalandoilwithformsofrenewableenergyonEarth.B.Exploringotherplanets,suchasMars,toliveon.C.Educatingthepublictolearntheknowledgeofspace.D.Usingrobotstosearchfornewresources.Readthepassagecarefullyandchoosethebestanswer.3)WhyMarsisthemostlikelychoicetoliveonforhumans?A.Becausethereisnopollution.B.Becausethereismuchrenewableenergy.C.BecauseitisrelativelyclosetoEarth.D.Becausethereisnorisktolivethere.4)Accordingtothepassage,whichofthefollowingisright?A.ItonlytakesthreedaystoreachMars.B.HumansettlementofMarsispossible.C.ThefirstsettlershavereturnedfromMarssafely.D.TheBiosphere2experimentwasnotasuccess.1)WhydopeoplemakePlanB?EnvironmentalproblemshavetakenoverasthegreatestrisktolifeonEarth.Answerthequestionsaccordingtothepassage.2)IsiteasyforustoliveonMars?ItisnoteasybecauseitwouldtakemonthstoreachMars,travellingthroughdangeroussolarradiation.EvenifwedoreachMarssafely,wemaynotbeabletoreturntoEarth.Stayingalivewillbeadailychallenge.Weneedtotakemuchbettercareofourownplanetuntilwearefinallyabletoliveonanotherplanet.3)Whatshouldwedonow?Choosethestatementsthatcanbeinferredfromthepassage.1.HumanshaveyetnotvisitedMars.2.PeoplewanttogotoMarsonholiday.3.ThereareplantsgrowingonMars.4.ThegreatestrisktolifeonEarthusedtobenuclearmissiles.5.Oneday,humanswillhavetogoandliveonanotherplanet.6.OurPlanAincludesdevelopingrenewableenergyresources.7.TheBiosphere2experimentendedinfailure.Clues:SpaceagenciesofvariouscountriesareplanningmannedmissionstoMarsthatcouldtakeplacewithinthenext25years.1“HumanshaveyetnotvisitedMars”canbeinferredfromparagraph3.Findevidencetosupportyourchoice.Inthe1960sand1970s,thegreatestfearwasthatthehumanrace,andpossiblyalladvancedlifeformsontheplanet,couldbewipedoutbynuclearmissiles,justatthepushofabutton.4“ThegreatestrisktolifeonEarthusedtobenuclearmissiles”canbeinferredfromparagraph1:Scientistsarethinkingofwaystolowerthisrisk,suchasreplacingcoalandoilwithformsofrenewableenergy.6“OurPlanAincludesdevelopingrenewableenergyresources”canbeinferredfromparagraph1:Asearlyasthe1980s,scientistswerebuildingBiosphere2intheArizonadesert…Althoughthetwo-yearexperimentwasnotasuccess,itdidprovideuswithabetterunderstandingofhowhumansmightbeabletoliveonanotherplanet.7“TheBiosphere2experimentendedinfailure”canbeinferredfromparagraph4:Sometimes,weneedtoformopinionsanddrawconclusionsthatarenotdirectlystatedwithinthegiveninformation.Forexample,fromthesentence“WhiletheMooncanbereachedwithindays,itwouldtakemonthstoreachMars,travellingthroughdangeroussolarradiation”,wecaninferthattheMoonislessexposedtodangerousradiationthanMars.Headingsandpicturescanalsohelpusmakeeducatedguessesaboutatext.推理判斷是在理解原文字面信息的基礎(chǔ)上，根據(jù)已知事實(shí)或前提對(duì)文中未提及的情況進(jìn)行推測(cè)，即從已知信息中推斷出未知信息，從而得出文章中隱含的深層意義。1.WouldyouliketobeoneofthefirstpeopletoliveonMars?Whyorwhynot?No.ItishardtosayiftheconditionsonMarsaresafeandproperforhumanbeingstoliveonit.2.Whichisbetter,toliveonMarsortosolveEarth’sproblems?Why?IthinkitisbettertotrytosolveEarth’sproblems.Ontheonehand,Earthistheplacewherelifebegan,wherelifehaslivedforbillionsofyears.Ontheotherhand,itiseasierandsaferforustoprotectandsaveourplanetthantomovetoanotherdistantplanet.3.Canyouthinkofa“PlanC”tosavepeoplefromtheproblemsonEarth?Shareitwiththeclass.4.Whatthemedothetworeadingpassagesinthisunithaveincommon?Onwhataspectsdoeseachpassagefocus?Thetwopassagessharethethemeofprotectingourlivingenvironments.Thefirstpassagefocusesonbalancingnatureandurbandevelopment,andtheneedforharmonybetweenhumansandanimals.ThesecondpassagefocusesonourneedtoprotectEarthevenifweintendtosettleonotherplacessuchasMarsinfuture.ConductaninterviewaboutlivingonMars.1.Decideyo