Unit+6+Survival+Developing+ideas高中英语外研版（2019）选择性必修第二册

Unit6Survival1.supplement/ˈsʌplɪment/v.补充，增补，增加n.增补(物);补充(物);添加物;(报纸的)增刊2.eliminate/ɪˈlɪmɪneɪt/v.消除，根除eliminationn.消除，根除3firefighter/ˈfaɪəfaɪtə(r)/n.消防队员fire+fighter“与火战斗的人”firefightingequipment消防设备firefightingteam消防队4.bring…undercontrol使……处于控制之下outofcontrol失去控制beyondcontrol无法控制underthecontrolof…在….的控制下,在….的掌管下5.blaze/bleɪz/n.烈火，大火，火灾6.fierce/fɪəs/adj.恶劣的，极端的；

猛烈的，激烈的；凶猛的7.react/riˈækt/v.（作出）反应reaction/riˈækʃn/n.反应reactagainstsb/sth反对；反抗reactto对……作出反应reactwith与……发生反应Pre-readingLookatthepictureandguesswhatitis.Whatisthisplanet?Earth?No,itisMars.WhereisMars?HowmuchdoyouknowaboutMars?MarsisslightlymorethanhalfthesizeofEarth,withcorrespondinglowergravity.It’sadry,rockyplanet,withwhitepolar“ice”capsthatconsistmostlyoffrozencarbondioxide.TheaveragetemperatureonMarsisminus63degreesCelsius.AdayonMarsisaboutaslongasadayonEarth,plusabout39minutes.SeasonsandyearsaretwiceaslongastheyareonEarth.Sincethe1960s,Marshasbeenthesubjectofseveralunmannedexplorationmissions.However,manysuchearlymissionsfailed.AboutMars

Itmaybedifficult

toimaginewhenpeoplewillliveontheplanetMars.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.WhydowehavePlanBforEarth?Paragraph1FearSolutionPlanBnuclearmissilesTodayenvironmentalproblemsScientistsarethinkingofwaystolowerthisrisk,suchasreplacingcoalandoilwithformsofrenewableenergy.Buttheyarealsopreparingfortheworst:whatcanwedoiftheterrifyingscenesinfilmssuchasTheDayAfterTomorrowhappeninreallife?CluesfromthepassageHaveyouseenthefilm“TheDayAfterTomorrow”?TheDayAfterTomorrowisa2004Americanscience-fictiondisasterfilm.Thefilmdepictsthecatastrophiceffectsofclimatechange,withextremeweathereventsleadingtoglobalcoolingandanewiceage.WhywehavetochooseMars?Paragraph2CluesfromthepassageWhy？Mars?MarsisrelativelyclosetoEarthMarshasanenvironmentlesshostilethanthatofotherplanets.theMarsDesertResearchStation(火星沙漠研究站）intheUtahdesertoftheUSMarsVillage（火星村）inNorth-westChina'sQinghaiProvinceWhateffortshavewemadetoexploreMars?Paragraph3CluesfromthepassageForonething,wehavebeensendingunmannedspacecrafttoMars,withprobes

sendingbackvaluabledataaswellasstunningimagesandrobotsttestingthesoilandsearchingforresources,waterandsignsoflife.DoyouknowwhateffortsChinahasmade?China'snationalspaceagencylaunchedthespacecraft,calledTianwen-1(天问一号）WhatLaunch:2020.7.23LandonMars:2021.2WhenByonemission,orbiting,landingandroving环视arealltobeacheived.MissionThisisChina'sfirstindependentmissiontoMars.MeaningunmannedmissionsMannedmissionsForanother,spaceagenciesofvariouscountriesareplanningmannedmissionstoMars.China'snationalspaceagencyisexpectedtolaunchthemannedspacecrafttoMarsin2033.WhatdoweneedtosendpeopletoMars?WhatdifficultiesdowehavesendingpeopletoMars?Paragraph4theBiosphere2experiment生物圈2号Wasitpossible?Example?Arizonadesertpeopleanimalsplantsoxygenfoodwater

abetterunderstandingownFornow,Whatcanwedo?Paragraph5So,weneedtotakemuchbettercareofourownplanet—Earth.Cluesfromthepassage1.Clearplatecampaign2.Noplastic(plasticbags,plasticstraws)3.Savewater4.Nolittering5.Saveelectricity6.Recycle1)Whatwasthegreatestfearinthe1960sand1970s?A.Nuclearmissiles. B.Environmentalproblems.C.Exploringspace. D.Pollution.2)WhatdoesPlanBmeaninthepassage?A.ReplacingcoalandoilwithformsofrenewableenergyonEarth.B.Exploringotherplanets,suchasMars,toliveon.C.Educatingthepublictolearntheknowledgeofspace.D.Usingrobotstosearchfornewresources.Readthepassageandchoosethebestanswer.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.Eveni