课件英语选择性必修二Unit6Developingideas

Unit6SurvivalDevelopingideasBYMICHELLELeadinEnvironmentalCrisisHowtosurvivetheenvironmentalcrisis?CouldweactuallyliveonMars?WhereisMars?HowmuchdoyouknowaboutMars?CompletethequizandfindouthowmuchyouknowaboutMars.Trytoguessifyouarenotsureoftheanswers.MarsisslightlymorethanhalfthesizeofEarth,withcorrespondinglowergravity.It’sadry,rockyplanet,withwhitepolar“ice”capsthatconsistmostlyoffrozencarbondioxide.TheaveragetemperatureonMarsisminus63degreesCelsius.AdayonMarsisaboutaslongasadayonEarth,plusabout39minutes.SeasonsandyearsaretwiceaslongastheyareonEarth.Sincethe1960s,Marshasbeenthesubjectofseveralunmannedexplorationmissions.However,manysuchearlymissionsfailed.MoreAboutMars

Itmaybedifficult

toimagine

whenpeoplewillliveontheplanetMars.Predictthemainideaaccordingtothetitleandthepictures.ReadthepassageandfindoutwhyhumansmightliveonMars.Pre-readingWhile-readingWorkoutthemainideaofeachparagraph.WhydowehavePlanBforEarth?WhyisMarsourPlanB?WhatarethechallengesofmovingtoMars?Humans’explorationrelatedtoMars.Rightnow,Earthistheonlyhomewehave!Paragraph1Paragraph2Paragraph3Paragraph4Paragraph5WhydowehavePlanBforEarth?Paragraph1CluesfromthepassageThegreatest___________in1960sand1970snuclearmissilesTodaythegreatest_______tolifeonEarth_____________________

fearriskenvironmentalproblemsHaveyouseenthefilm“TheDayAfterTomorrow”?TheDayAfterTomorrowisa2004Americanscience-fictiondisasterfilm.ThefilmisbasedonthebookTheComingGlobalSuperstormbyArtBellandWhitleyStrieber.Thefilmdepictsthecatastrophiceffectsofclimatechange,withextremeweathereventsleadingtoglobalcoolingandanewiceage.WhyisMarsourPlanB?Paragraph2___________closetoEarthLesshostileenvironmentToday___________inMartianexplorationisgreaterthaneverbefore.RelativelyourinterestFilmssuchasTheMartianenjoyworldwidepopularitytheMarsDesertResearchStationTheMarsVillageMoregovernmentsandorganisationsaremakingeffortstoeducatethepublicontheRedPlanet.Humans’explorationrelatedtoMars.Paragraph3Sincethe1960s,wehavebeensendingunmannedspacecraft

toMars.Ourprobeshaveorbitedtheplanet,sendingbackvaluabledataandstunningimages.OurrobotshaveexploredtheMartiansurface,testingthesoilandsearchingforresources,waterandsignsoflife.Withinthenext25years,humanbeingsareplanningmannedmissionstoMars.WhatarethechallengesofmovingtoMars?Paragraph41234Stayingalivewillbe___________________,butnotimpossible.Sendingpeopletherewillrequirealltheskill,_______and___________ofthehumanrace.Itwould___________toreachMars,travellingthrough_____________solarradiation.Evenif______________doreachMarssafely,theymaynotbeabletoreturntoEarth-ever.courageintelligencetakemonthsdangerousthefirstsettlersadailychallengeBiosphere2experimentpossibleaclosedspacePeople,animalsandplantscould_____________.livetogetherFunction:ownoxygen,foodandwater,needingnothingfromthe________________.outsideworldunsuccessfulProvideuswithabetterunderstanding.Abigstepforward.Rightnow,Earthistheonlyhomewehave!Paragraph5TosettleMarsis___________.Earthis________________.Humanactivityhaveaterribleeffectonthebiosphere.decadesawaygettingwarmerUntilwearefinallyabletoliveonanotherplanet,weneedtotakemuchbettercareofEarth.Howtoprotecttheenvironment(theEarth)?controlair

pollutionprotecttheforestandsearesourcesstopanyenvironmentalpollutionWeshould...protectwaterenvironment,savewaterresourcesprotectrareanimalsandplantsreducetheuseofmotorvehiclecarryonwasterecoveryuseChoosethemagazineinwhichyouwouldmostlikelyfindthepassage？AllAboutSpaceTheTravellerEnvironmentalConcernsBiologyforFunChoosethestatementsthatcanbeinferredfromthepassage.HumanshaveyetnotvisitedMars.PeoplewanttogotoMarsonholiday.ThereareplantsgrowingonMars.ThegreatesttolifeonEarthusedtobenuclearmissiles.Oneday,humanswillhavetogoandliveonanotherplanet.OurPlanAincludesdevelopingrenewableenergyresources.TheBiosphere2experimentendedinfailure.Findevidencetosupportyourchoice.SpaceagenciesofvariouscountriesareplanningmannedmissionstoMarsthatcouldtakeplacewithinthenext25years.1“HumanshaveyetnotvisitedMars”canbeinferredfromparagraph3.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.Post-readingWouldyouliketobeoneofthefirstpeopletoliveonMars?Whyorwhynot?Whichisbetter,toliveonMarsortosolveEarth’sproblems?Why?Canyouthinkofa“PlanC”tosavepeoplefromtheproblemsonEarth?Shareitwiththeclass.Whatthemedothetworeadingpassagesinthisunithaveincommon?Onwhataspectsdoeseachpassagefocus?Thetwopassagessharethethemeofprotectingourlivingenvironments.Thefirstpassagefocusesonbalancingnatureandurbandevelopment,andtheneedforharmonybetweenhumansandanimals.ThesecondpassagefocusesonourneedtoprotectEarthevenifweintendtosettleonotherplacessuchasMarsinfuture.TheWildWithinWorkinpairs.ConductaninterviewaboutlivingonMars.Decideyourroles.LookatthesamplequestionsaboutlivingonMarsandaddanymoreyoucanthinkof.Thenwritedownsomeanswers.Languagepointsthegreatestfearwasthatthehumanrace，andpossiblyalladvancedlifeformsontheplanet，couldbewipedout.最大的恐惧是……人类——甚至可能是地球上所有的高级生命体——就可能被核导弹彻底毁灭。advancedadj.高级的；先进的advancedtechnology先进的技术advancedlearnersofEnglish高阶英语学习者【单词积累】advancev.前进；（使）进展；促进n.

进步，进展inadvance预先，提前inadvanceof（时间上）在……之前；（发展上）超前◆单句语法填空(1)Thecourseisintendedfor

（advance）learners.(2)Weareworkinghard

（advance）thecauseofworldpeace.(3)These

（advance）inmedicalsciencewillhelpmantoenjoyalongerlife.◆完成句子(4)I’dappreciateitifyoucouldletmeknow

（提前）whetherornotyouwillcome.advancedtoadvanceadvancesinadvanceButtheyarealsopreparingfortheworst：whatcanwedoiftheterrifyingscenesinfilmssuchasTheDayAfterTomorrowhappeninreallife?但他们也在做最坏的打算:如果《后天》等电影中的恐怖场景发生在现实生活中，我们该怎么办？preparefor为……做准备【单词积累】（1）preparationn.准备，预备inpreparation在准备中

inpreparationfor为……做准备makepreparationsfor为……做准备（2）preparev.准备，预备 bepreparedfor为……做好准备Theteacherispreparingthereviewingexercises，andthestudentsarepreparingforthefinalexamination.Everyonehopestomakefullpreparationsfortheimportantexam.◆单句语法填空(1)Wishforthebestandprepare

theworst.(2)I’min

（prepare）formylecturetomorrow.(3)Allmyfriendsarenotavailablebecausetheyaremaking

（prepare）foranexam.(4)Hedidn’tmakeanypreparations

thisexam，sohefailed.(5)Wehavetobe

（prepare）forthetaskahead.(6)He

（已经为……做好充分准备）thecomingjobinterviewbecausehecan’trisklosingthegoodchance.forpreparationpreparationsforpreparedhasmadefullpreparationsforButtheyarealsopreparingfortheworst：whatcanwedoiftheterrifyingscenesinfilmssuchasTheDayAfterTomorrowhappeninreallife?但他们也在做最坏的打算:如果《后天》等电影中的恐怖场景发生在现实生活中，我们该怎么办？terrifyingadj.极其可怕的，骇人听闻的【单词积累】（1）terrifiedadj.恐惧的，害怕的beterrifiedof（doing）sth.害怕（做）某事 beterrifiedat/by因……而害怕beterrified（that）...害怕……（2）terrifyv.使恐惧，使害怕Theideathattherewillbeanearthquaketerrifiesmanypeople.（3）terrorn.［U］恐惧；［C］可怕的人或事◆完成句子(1)I

（害怕）flying.I’drathergobytrain.(2)She

（害怕）theywouldlosetheirhome.◆单句语法填空(3)Hearingtheloudthunder，thelittlegirlwas

（terrify）anddarednotgotosleeponherown.(4)Beinglostcanbea

（terrify）experience.(5)Itwas

（terrify）forus，aswewereshakenbythewaves.amterrifiedof

wasterrified（that）terrifiedterrifyingterrifyingMoregovernmentsandorganisationsaremakingeffortstoeducatethepublicontheRedPlanet...越来越多的政府和组织正在努力对公众进行有关“红色星球”的教育，……makeeffortstodosth.

（=makeanefforttodosth.）努力做某事【归纳拓展】makeeveryefforttodosth.尽一切努力做某事

sparenoefforttodosth.不遗余力地做某事puteffortinto（doing）sth.努力做某事

inanefforttodosth.为了做某事throughone’seffort通过某人的努力with/withouteffort费力地/毫不费力地◆单句语法填空(1)Iwillmakeeveryeffort

（achieve）mygoal.(2)Theydecidedtogetridofpoverty

effort.◆完成句子(3)They

（正在努力）toreducepoverty.(4)

（为了）promotethedevelopmentofthisregion，theheadsignedtheagreement.(5)They

（不遗余力）tofinishtheduty.(6)Withthehelpofthemapwefoundthegallery

（毫不费力）.toachievethrougharemakingeffortsInanefforttosparednoeffortwithouteffortThereisnodoubtthathumankindisdrawntowardsMars...毫无疑问，人类被火星所吸引，……同位语从句Thereisnodoubtthat...是一个固定句型，that引导同位语从句，解释说明doubt的具体内容。在复合句中充当同位语成分的从句称为同位语从句。同位语从句一般由that，wh-类连接词引导，常放在doubt，fact，news，idea，truth，hope，problem，information，thought等抽象名词后，解释说明该名词的具体内容。Thenewsthatourteamhaswonthegameistrue.Ihavenoideawherethey’vegone.◆单句语法填空(1)Themanagerputforwardasuggestion

weshouldhaveanassistant.Thereistoomuchworktodo.(2)［2018·天津卷］Thepossibility

thereislifeonotherplanetsintheuniversehasalwaysinspiredscientiststoexploretheouterspace.(3)Ihavenoidea

thecellphoneisn’tworking，socouldyoufixitforme?(4)Thereisnodoubt

thewoodenchairismuchstrongerthantheplasticoneyouboughtyesterday.thatthatwhythatStayingalivewillbeadailychallenge，butasprovedbytheBiosphere2experiment，notimpossible.活着将会成为一个日常挑战，但正如“生物圈2号”实验所证明的，这也并非完全不可能。as引导定语从句（1）as引导定语从句时，as可以指代一个词或短语，但更为常见的是指代整个主句。Thetwobrothersweresatisfiedwiththisdecision，aswasagreedtobeforehand.Toshutyoureyestofacts，asmanyofyoudo，isfoolish.Sheislate，asisoftenthecase.as引导定语从句（2）as引导非限制性定语从句时，as意为“正如，正像”。通常有以下固定的表达：asweallknow正如大家所知 asIcanremember正如我所记得的asoftenhappens正如经常发生的 asyousee如你所见ashasbeensaidbefore如前所述 asiswell-known众所周知aswasexpected正如预料的那样 asisoftenthecase情况常常如此（3）当主句的先行词被thesame，such，so等修饰时，要用as引导定语从句，as在从句中作主语、宾语或表语。ThisisthesamebikeasIlostyesterday.Ineverheardsuchstoriesashetold.He’sneverwrittenagainsogoodabookashisfirstone.◆单句语法填空(1)

isoftenthecasewithchildren，Amywasbetterbythetimethedoctorarrived.(2)Alotoflanguagelearning，

hasbeendiscovered，ishappeninginthefirstyearoflife，soparentsshouldtalkmuchtotheirchildrenduringthatperiod.(3)“Youcan’tjudgeabookbyitscover，”

theoldsayinggoes.(4)Thisisthesamematerial

isusedinbuildingthebridge.(5)Suchbooks

Ihavereadareclassicalworks.(6)Theteachergaveussuchadifficultquestion

noonecouldworkout.◆完成句子(7)没有简单的答案，在科学上情况通常是这样。Thereisnosimpleanswer，

inscience.(8)众所周知，月球每个月绕地球一周。

，themoontravelsroundtheearthonceeverymonth.(9)正如报道的那样，清华大学建校已有100多年的历史。

，itisover100yearssinceTsinghuaUniversitywasfounded.AsasasasasasasisoftenthecaseAsisknowntoeverybodyAsisreportedItconsistedofaclosedspaceinwhichpeople，animalsandplantscouldlivetogether.它包括一个封闭的空间,人、动物和植物可以生活在一起。consistof由……构成/组成（不用于进行时态和被动语态）【用法比较】

Thebookconsistsofnineteenchapters.=Thebookismadeupofnineteenchapters.这本书共有19章。【归纳拓展】consistin在于，存在于beconsistentwith与……一致◆完成句子(1)Thescientificresearchteam

（由……组成）tenexpertsfromdifferentprovinces.=Tenexpertsfromdifferentprovinces

（组成）thescientificresearchteam.◆单句语法填空(2)Listeningisthusanactive，notapassive，behaviour

（consist）ofhearing，understandingandremembering.(3)Thebeautyofthecityconsists

itsmagnificentbuildings.(4)Theresultsareentirely

（consist）withourearlierresearch.consistsof/ismadeupofconsistinginmakeupconsistentMorerecently，scientistshavesucceededingrowingavarietyofplantsinanenvironmentsimilartothatonMars.最近，科学家们成功地在类似火星的环境中种植了各种各样的植物。succeedin(doing)sth.成功地做某事【单词积累】（1）succeedv.成功；接替；继承succeedsb.as接替某人担任……succeedtosth.继承某物I’mcertainthatDavidistosucceedhimaschairman.Theyoungmanwillsucceedtohisfather’swealth.（2）successn.［U］成功；［C］成功的人（或事）→successfuladj.成功的→successfullyadv.成功地◆完成句子(1)Ineverthoughtsuchalittlechildcould

（成功地处理）suchadifficultproblem.(2)LiMingstudiedveryhard.Asaresult，he

（成功通过）thecollegeentranceexamination.(3)Whodoyouthinkwill

（继承）MrLi’scompany?◆单句语法填空(4)Aftersucceedingtohisfather’scompany

president，hesucceededin

（make）thecompanymoresuccessful，whichhelpedtomakehim

bigsuccess.succeedindealingwithsucceededinpassingsucceedtoasmakingaWritingasurvivalstoryReadthestoryandanswerthequestions.Whereisthepersoninthestory?Whatdifficultiesishefacing?ThepersoninthestoryisonMars.Hehastokeephimselfsafefromthedeadlyradiationoutside.Andheisfacingthelackofwater,oxygenandfood.Whathashealreadydonetostayalive?Whatwillhedonext?Hehasresumedcommunicationwiththebase.Hehasdiscoveredanundergroundicedeposittogetwater,andproduceoxygenwiththewater.HewillworkouthowtofarmonMarsandgrowplantswithseeds.Findoutthemainideaofeachparagraph.TheproblemthewritermeetsThethingsthatcanhelphimtosurviveThedifficultiesheisfacingImagineyouhavetosurviveinadangerousplace.Planyourstorybyansweringthequestions.Whatarethedangers?(eganimals,thecold,noair)Whereisthedangerousplace?(egAntarctica,space,thejungle)Howdoyoufeel?(egconfident,anxious,optimistic)Howdoyoumanagetosurvive?(egcatchfish,meltsnow,makeafire)【审题定调】本写作任务要求写一篇求生故事，属于记叙文的范畴。讲述故事，就是要通过完整的情节和生动形象的语言，使读者在享受故事情节的同时，有所感、有所悟。写作时应注意：1.可以按照时间的先后顺序展开，也可以采用倒叙或插叙的手法进行写作；2.故事的开头要交代故事发生的时间、地点、人物及背景。具体内容可根据实际情况进行适当调整；3.在讲述故事的经过时，条理要清晰、重点应突出，同时语言要准确、生动；4.故事的结尾要简洁明了，既在意料之外，又在情理之中，这样才可以给读者留下深刻的印象。本写作人称主要用第一人称。时态主要用一般过去时。【谋篇布局】本写作可分为三部分：第一部分：故事发生的背景；第二部分：故事的经过（可穿插你的感受）；第三部分：故事的结局。故事背景:LastweekIwentfora(n)...Yesterday,Itookpartin...LastFridayIwent...with...On...Idecidedtogofora(n)...in...WhenIwasonatripto...with...,I...故事经过：Igotlostin...Iwasseparatedfromothers.Ifoundmyselfstandingaloneinthemiddleof...Itriedtofind...butfailed.Realisingthattherewasno...,Ifeltdespairing.Problemsaroseonthethirdday.Imanagedtofind...tosupplyenergy.Ibuiltasimpletentwithsomebranchestokeepmyselfwarm.Ihadtowatchoutfor...whenI...Ifeltverynervous/anxious/worried...Iwalkedalong...tryingtofindmywayout.IwasconfidentthatIcouldsurvive.故事结局：Finally,Iwassaved/rescuedby...Afterwalkingnon-stopfor...hours,Iluckilygotoutof...thoughexhausted.JustwhenIwasabouttolosehope,Isaw...Intheend,agroupofrescuersfoundmeand...Thisisreallyanunforgettableexperience,fromwhichI'verealised...WhatanAdventure! It’sbeenthreedayssinceIgotseparatedfromtheotherteammembers.WewenthikingtogetheronMonday,butbecameseparatedduetoaheavyrainstorm.Withoutacompass,Ilostdirection,andnowIamlostindensejungle. Therearenoroadsatall,soIhavetomakemyownwaystepbystep.Ihavehurtbothmyhandsquitebadlyfromallthethorns—theyareeverywhere.Tomakethingsworse,Istumbledandsprainedmyankle.Thepainiskillingme!Snakes,monkeys,insectsandotheranimalsappearfromtimetotime.Yesterday,Iheardtheroarofatigerfromfaraway.Iwasterrified!Irubstickstogethertomakeafireeverynighttokeepmyselfwarmandsafe.It'sreallyadifficulttechniquetomaster,andittakesmeseveralfrustratingandworryingattemptseveryevening.Ihavetoremindmyselftobecalmandoptimisticateverymoment. Foodalsoworriesmealot.I'vebeeneatingberriestoappeasemyhunger,butIhavetobeverycarefultoavoidanythingpoisonous. TodayIhavesomeluckwhenIfindastreamwhichIcanfollow.Itgivesmegreathope.I’mconfidentthatIcanfindmywayout!Thiswillhavebeenthemostmemorableadventureofmylife!PresentingideasReadthepassageanda