課件英語(yǔ)選擇性必修二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.最大的恐懼是……人類(lèi)——甚至可能是地球上所有的高級(jí)生命體——就可能被核導(dǎo)彈徹底毀滅。advancedadj.高級(jí)的；先進(jìn)的advancedtechnology先進(jìn)的技術(shù)advancedlearnersofEnglish高階英語(yǔ)學(xué)習(xí)者【單詞積累】advancev.前進(jìn)；（使）進(jìn)展；促進(jìn)n.

進(jìn)步，進(jìn)展inadvance預(yù)先，提前inadvanceof（時(shí)間上）在……之前；（發(fā)展上）超前◆單句語(yǔ)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?但他們也在做最壞的打算:如果《后天》等電影中的恐怖場(chǎng)景發(fā)生在現(xiàn)實(shí)生活中，我們?cè)撛趺崔k？preparefor為……做準(zhǔn)備【單詞積累】（1）preparationn.準(zhǔn)備，預(yù)備inpreparation在準(zhǔn)備中

inpreparationfor為……做準(zhǔn)備makepreparationsfor為……做準(zhǔn)備（2）preparev.準(zhǔn)備，預(yù)備 bepreparedfor為……做好準(zhǔn)備Theteacherispreparingthereviewingexercises，andthestudentsarepreparingforthefinalexamination.Everyonehopestomakefullpreparationsfortheimportantexam.◆單句語(yǔ)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

（已經(jīng)為……做好充分準(zhǔn)備）thecomingjobinterviewbecausehecan’trisklosingthegoodchance.forpreparationpreparationsforpreparedhasmadefullpreparationsforButtheyarealsopreparingfortheworst：whatcanwedoiftheterrifyingscenesinfilmssuchasTheDayAfterTomorrowhappeninreallife?但他們也在做最壞的打算:如果《后天》等電影中的恐怖場(chǎng)景發(fā)生在現(xiàn)實(shí)生活中，我們?cè)撛趺崔k？terrifyingadj.極其可怕的，駭人聽(tīng)聞的【單詞積累】（1）terrifiedadj.恐懼的，害怕的beterrifiedof（doing）sth.害怕（做）某事 beterrifiedat/by因……而害怕beterrified（that）...害怕……（2）terrifyv.使恐懼，使害怕Theideathattherewillbeanearthquaketerrifiesmanypeople.（3）terrorn.［U］恐懼；［C］可怕的人或事◆完成句子(1)I

（害怕）flying.I’drathergobytrain.(2)She

（害怕）theywouldlosetheirhome.◆單句語(yǔ)法填空(3)Hearingtheloudthunder，thelittlegirlwas

（terrify）anddarednotgotosleeponherown.(4)Beinglostcanbea

（terrify）experience.(5)Itwas

（terrify）forus，aswewereshakenbythewaves.amterrifiedof

wasterrified（that）terrifiedterrifyingterrifyingMoregovernmentsandorganisationsaremakingeffortstoeducatethepublicontheRedPlanet...越來(lái)越多的政府和組織正在努力對(duì)公眾進(jìn)行有關(guān)“紅色星球”的教育，……makeeffortstodosth.

（=makeanefforttodosth.）努力做某事【歸納拓展】makeeveryefforttodosth.盡一切努力做某事

sparenoefforttodosth.不遺余力地做某事puteffortinto（doing）sth.努力做某事

inanefforttodosth.為了做某事throughone’seffort通過(guò)某人的努力with/withouteffort費(fèi)力地/毫不費(fèi)力地◆單句語(yǔ)法填空(1)Iwillmakeeveryeffort

（achieve）mygoal.(2)Theydecidedtogetridofpoverty

effort.◆完成句子(3)They

（正在努力）toreducepoverty.(4)

（為了）promotethedevelopmentofthisregion，theheadsignedtheagreement.(5)They

（不遺余力）tofinishtheduty.(6)Withthehelpofthemapwefoundthegallery

（毫不費(fèi)力）.toachievethrougharemakingeffortsInanefforttosparednoeffortwithouteffortThereisnodoubtthathumankindisdrawntowardsMars...毫無(wú)疑問(wèn)，人類(lèi)被火星所吸引，……同位語(yǔ)從句Thereisnodoubtthat...是一個(gè)固定句型，that引導(dǎo)同位語(yǔ)從句，解釋說(shuō)明doubt的具體內(nèi)容。在復(fù)合句中充當(dāng)同位語(yǔ)成分的從句稱為同位語(yǔ)從句。同位語(yǔ)從句一般由that，wh-類(lèi)連接詞引導(dǎo)，常放在doubt，fact，news，idea，truth，hope，problem，information，thought等抽象名詞后，解釋說(shuō)明該名詞的具體內(nèi)容。Thenewsthatourteamhaswonthegameistrue.Ihavenoideawherethey’vegone.◆單句語(yǔ)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.活著將會(huì)成為一個(gè)日常挑戰(zhàn)，但正如“生物圈2號(hào)”實(shí)驗(yàn)所證明的，這也并非完全不可能。as引導(dǎo)定語(yǔ)從句（1）as引導(dǎo)定語(yǔ)從句時(shí)，as可以指代一個(gè)詞或短語(yǔ)，但更為常見(jiàn)的是指代整個(gè)主句。Thetwobrothersweresatisfiedwiththisdecision，aswasagreedtobeforehand.Toshutyoureyestofacts，asmanyofyoudo，isfoolish.Sheislate，asisoftenthecase.as引導(dǎo)定語(yǔ)從句（2）as引導(dǎo)非限制性定語(yǔ)從句時(shí)，as意為“正如，正像”。通常有以下固定的表達(dá)：asweallknow正如大家所知 asIcanremember正如我所記得的asoftenhappens正如經(jīng)常發(fā)生的 asyousee如你所見(jiàn)ashasbeensaidbefore如前所述 asiswell-known眾所周知aswasexpected正如預(yù)料的那樣 asisoftenthecase情況常常如此（3）當(dāng)主句的先行詞被thesame，such，so等修飾時(shí)，要用as引導(dǎo)定語(yǔ)從句，as在從句中作主語(yǔ)、賓語(yǔ)或表語(yǔ)。ThisisthesamebikeasIlostyesterday.Ineverheardsuchstoriesashetold.He’sneverwrittenagainsogoodabookashisfirstone.◆單句語(yǔ)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)沒(méi)有簡(jiǎn)單的答案，在科學(xué)上情況通常是這樣。Thereisnosimpleanswer，

inscience.(8)眾所周知，月球每個(gè)月繞地球一周。

，themoontravelsroundtheearthonceeverymonth.(9)正如報(bào)道的那樣，清華大學(xué)建校已有100多年的歷史。

，itisover100yearssinceTsinghuaUniversitywasfounded.AsasasasasasasisoftenthecaseAsisknowntoeverybodyAsisreportedItconsistedofaclosedspaceinwhichpeople，animalsandplantscouldlivetogether.它包括一個(gè)封閉的空間,人、動(dòng)物和植物可以生活在一起。consistof由……構(gòu)成/組成（不用于進(jìn)行時(shí)態(tài)和被動(dòng)語(yǔ)態(tài)）【用法比較】

Thebookconsistsofnineteenchapters.=Thebookismadeupofnineteenchapters.這本書(shū)共有19章?！練w納拓展】consistin在于，存在于beconsistentwith與……一致◆完成句子(1)Thescientificresearchteam

（由……組成）tenexpertsfromdifferentprovinces.=Tenexpertsfromdifferentprovinces

（組成）thescientificresearchteam.◆單句語(yǔ)法填空(2)Listeningisthusanactive，notapassive，behaviour

（consist）ofhearing，understandingandremembering.(3)Thebeautyofthecityconsists

itsmagnificentbuildings.(4)Theresultsareentirely

（consist）withourearlierresearch.consistsof/ismadeupofconsistinginmakeupconsistentMorerecently，scientistshavesucceededingrowingavarietyofplantsinanenvironmentsimilartothatonMars.最近，科學(xué)家們成功地在類(lèi)似火星的環(huán)境中種植了各種各樣的植物。succeedin(doing)sth.成功地做某事【單詞積累】（1）succeedv.成功；接替；繼承succeedsb.as接替某人擔(dān)任……succeedtosth.繼承某物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

（成功地處理）suchadifficultproblem.(2)LiMingstudiedveryhard.Asaresult，he

（成功通過(guò)）thecollegeentranceexamination.(3)Whodoyouthinkwill

（繼承）MrLi’scompany?◆單句語(yǔ)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)【審題定調(diào)】本寫(xiě)作任務(wù)要求寫(xiě)一篇求生故事，屬于記敘文的范疇。講述故事，就是要通過(guò)完整的情節(jié)和生動(dòng)形象的語(yǔ)言，使讀者在享受故事情節(jié)的同時(shí)，有所感、有所悟。寫(xiě)作時(shí)應(yīng)注意：1.可以按照時(shí)間的先后順序展開(kāi)，也可以采用倒敘或插敘的手法進(jìn)行寫(xiě)作；2.故事的開(kāi)頭要交代故事發(fā)生的時(shí)間、地點(diǎn)、人物及背景。具體內(nèi)容可根據(jù)實(shí)際情況進(jìn)行適當(dāng)調(diào)整；3.在講述故事的經(jīng)過(guò)時(shí)，條理要清晰、重點(diǎn)應(yīng)突出，同時(shí)語(yǔ)言要準(zhǔn)確、生動(dòng)；4.故事的結(jié)尾要簡(jiǎn)潔明了，既在意料之外，又在情理之中，這樣才可以給讀者留下深刻的印象。本寫(xiě)作人稱主要用第一人稱。時(shí)態(tài)主要用一般過(guò)去時(shí)?！局\篇布局】本寫(xiě)作可分為三部分：第一部分：故事發(fā)生的背景；第二部分：故事的經(jīng)過(guò)（可穿插你的感受）；第三部分：故事的結(jié)局。故事背景:LastweekIwentfora(n)...Yesterday,Itookpartin...LastFridayIwent...with...On...Idecidedtogofora(n)...in...WhenIwasonatripto...with...,I...故事經(jīng)過(guò)：Igotlostin...Iwasseparatedfromothers.Ifoundmyselfstandingaloneinthemiddleof...Itriedtofind...butfailed.Realisingthattherewasno...,Ifeltdespairing.Problemsaroseonthethirdday.Imanagedtofind...tosupplyenergy.Ibuiltasimpletentwithsomebranchestokeepmyselfwarm.Ihadtowatchoutfor...whenI...Ifeltverynervous/anxious/worried...Iwalkedalong...tryingtofindmywayout.IwasconfidentthatIcouldsurvive.故事結(jié)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