Unit 3 Sea Exploration Using langusgeppt课件（含音视频素材）-（2022新）人教版高中英语选择性必修第四册.rar

Period5UsinglanguageExpressyouropinionsonseaexplorationUnit3SeaExploration选择性必修四 人教版（2019）LeadinShould sea be explored?Should sea be explored? The ocean is a treasure. Just as Xi Dada says, oceans provideabreedinggroundforlife,connecttheworldandthepromotedevelopment.Despiteregulardiscoveriesabouttheocean,muchremainsunknown.Scientistspredictthat95%oftheoceanisunmappedandunexplored.Sohumanbeingis keeping on exploring the ocean.However,there areargumentsaboutseaexploration.LeadinSkimSkimthetwotextsandanswerthequestions.Whatisthetexttypeofthetwopassages?ReviewFourtypesofessay1.Narrative2.Descriptive3.Expository4.ArgumentativeSkimThreepartsinargumentativeessay：Argument,evidence,restatement/recommendation/acalltoaction.Argumentativeessay.ReadReadthetwotextsbelowandfindtheargumentsandevidenceinthem.argument evidenceText 1Text 1Moreexplorationcausesmorepollution.Miningforresourcesisdamaging.Overfishingisanissue.DeepwaterHorizonoilspillPlasticpollutionIthurtstheArctic.Burningfossilfuelsaddstoclimatechange.Whalesanddolphinsarehunted.Banned,butsomecountriesstilldoingit.Readargument evidenceText 2Text 2Seaexplorationisimportantforourfuture.Understandingmoreabouttheseawillalsohelpusmanageitsresourcesbetter.Weneednewresourcesforfuturedevelopment.Scientificresearchshipscanhelpaddressimportantissueslikeclimatechange.Newmedicines,foodresourcesandenergy.Predicteventssuchasearthquakes.Vastamountsofresourcesmaybeundertheseaandice.ReadArgumentEvidenceEvidenceEvidenceRestatementPoint1Point2Point3Read the two texts again and analyze the structure ofthem.Text 1Text 1ReadEvidenceEvidenceRestatementPoint1Point2Point3EvidenceArgumentText 2Text 2Post-readLookatthetwochartsbelowanddecidewhichonesupportswhichtext.Text1Text2DiscussionIngroups,discussthefollowingquestionsandtakenotes.1.Whatisyouropinionaboutseaexploration?Doyouagreewithoneargumentmorethantheother?Ithinkseaexplorationisawonderfulidea,becauseeveniftherearenoimmediaterewardsforit,toexploreandfindoutmoreaboutourworldisalwaysagoodthing.2.Hasyouropinionchangedafterreadingthetwotexts?Whyorwhynot?Yes,myopinionhaschanged.BeforereadingText1,Ididnotknowthatseaexplorationcouldaddtoseapollution,viadeepseadrillingforexample.Discussion3.Arethereanyotheraspectsofseaexplorationnotmentionedthatyouthinkareimportant?Wedonotknowwhatwedontknow;Weneedtoexploretheoceansothatwecanbetterunderstandissuessuchasacidificationwhichleadstoseawatertobecomemoreacidic,andhowtofighttheseproblems;Studyingtheoceancausesthecreationofnewtechnologiesthatcanhelpusinotherareas.DiscussionPre-writing4.Basedonyournote,writeanargumentativeessayonseaexploration,expressingyouropinionswithsupportingfacts.1)Thefollowingquestionsmayhelpyou. Whatisthepurposeofseaexploration? Howdoesseaexplorationhelpustoprotectthesea? Howdoesseaexplorationcausedamagetothesea? Isthereagoodbalancebetweenprotectionandexploitation?Argument/PointWhatargument/pointdoyouwanttomake?EvidenceWhatfactsandexamplescanyoufindtosupportyourpoint?Howreliablearethesources?ExplanationExplainhowthefactssupportyouropinionandshowotheropinionstobeincorrect.LinkConnectthispointtothenextpoint,orbacktothemainpointoftheessayorparagraph.2)UsethePEELmethodtohelpstructureyourargument.Pre-writing Even though the oceans make up about 70% of theearths surface, more than 80% of the oceans remainunexplored. While some people say that we should notexplore the oceans, their reasoning is not very sound.Exploringisnotthesameasexploiting.Whenweexploreaplace.Wegojusttoseeandunderstandwhatisthere.Weshouldexploretheocean,firstandforemost,becausewedonotknowwhatwedonotknow.Wethoughtweknewmanyabouttheocean,butwewerewrong.Therecouldbelifeformsintheocean,forexample,thatfitnoneoftheneatcategorieswehaveforlifewhilewehavenocluethattheyevenexist.ArgumentLinkPointEvidenceExplanationExplanationSampleSampleSampleThisbringsupthesecondpoint.Wealreadyknowmanythingsaboutthe ocean, but we need to learn more.A good example is oceanacidification.Weknowthatitiscausingcoraltodie.Weknowthatusinglessfossilfuelwouldcausetheprocesstoslowdown.However,weneedtolearnmoretofindouthowtostopit.Weneedmoreresearchtoseewhatisgoingon,andtocomeupwithplansandsolutions. Finally,to do this research, we have to enter an extremeenvironment not very friendly to humans.This requires thedevelopmentofnewtechnologiesthatcanalsobenefitusinotherareas.Forexample,inmanyways,thedeepoceanresemblesouterspace.Thetechnologies can benefit each other. For another instance, thetechnologyofamechanicalarmtocollectsampleswithhasbeenusedinfactoriesanddevelopmentofartificiallimbsforhumans.LinkLinkPointPointEvidenceEvidenceExplanationExplanationSampleAllinall,therearemanygoodreasonstoexploretheoceans.Ifwecareaboutscience,aboutprotectingouroceans,andaboutdeveloping new technologies, we need to do all we can tosupportoceanexploration.LinkPointEvidenceSampleWriting3)Writeyourdraftandexchangeitwithapartner.Usethechecklisttohelpeachotherrevisethedrafts.Yes NoIsthepointclearenough?Arethereanyexamplesorfactsthatsupporttheargumentstrongly?Isthereanyexplanationonhowtheevidencesupportstheopinion?Aretheresomeconnectiveslinkingonepointtoanother?4)Getyourfeedbackandreviseyourdraft.WritingLanguagepointsImportantwords1.exploitvt开发；利用；剥削【教材原句】Whenpeopletalkofexploringtheseamore，theyusuallymeanexploitingit.当人们谈论更多地探索海洋时，他们通常意味着开发它。【实例品读】Theydecidedtoexploitnaturalresources.他们决定开发自然资源。【热点归纳】exploitsthtodosth利用某事做某事exploitsb.withsth.用剥削某人exploitationn.开发；利用；剥削explorern.开发者；剥削者ImportantwordsLanguagepoints【考点精练】单句语法填空1)Youmustexploiteveryopportunity_(learn)newthings.2)Thelargedesertlandiswaitingforexplorationand_.3)Childrenmustgotoschool,notbefinancially_(exploit).exploitedtolearnexploitationLanguagepointsImportantwords2.mercyn.仁慈；宽恕；恩惠【教材原句】Althoughthiswasbannedin1982,somecountriesarestill“murdering”theseintelligentcreatureswithoutmercy.尽管早在1982年就已禁止,但有的国家仍地无情地“谋杀”这些聪明的动物。【实例品读】Itsamercyshewasntseriouslyhurt.幸运的是她伤势不重。【热点归纳】mercifuladj.仁慈的；宽大的bemercifulto/towardssb对某人仁慈atthemercyof任处置;对无能为力;任由摆布showmercytosb.对某人表示怜悯havemercyon/uponsb.对某人表示怜悯begformercy恳请宽恕ImportantwordsLanguagepoints【考点精练】用适当的介词填空。1)Theyshowedmercy_theirenemies.2)Theshipwas_themercyofthestorm.3)Shegotonherkneesandbegged_mercy.foronatLanguagepointsImportantwords3.possessionn.个人财产；拥有；控制【教材原句】Theseaishometolife,nothumanbeingspossessions.海洋是生命的家园，而不是人类的私产。【实例品读】Thisringismymosttreasuredpossession.这枚戒指是我最珍爱的财产。【热点归纳】beinpossessionof拥有（主语为人）beinthepossessionof(sb)（某物）被（某人）拥有take/comeintopossessionof占有；拥有possessv.占有，拥有；控制，支配。ImportantwordsLanguagepoints【考点精练】1)这伙人被逮住了，人赃俱获。Thegangwascaught_stolengoods.2)囚犯除信件和照片外不允许有任何私人物品。Prisonerswereallowedno_exceptlettersandphotographs.3)Justin是个有很多好品质的男孩。Justinisagoodboywho_.possessesmanygoodqualitiesinpossessionofpersonalpossessions单句语法填空1.OurEnglishteacherisa_(mercy)woman,andsheseldomcriticisesus.2.Itreallywasa_(mercy)thatheddiedsorapidlyattheend.3.Repairingour_(possess)andchangingourspendinghabitsmaybethebestwaytoreducetheamountofrubbishandtakecareofourenvironment.4.Heis_(possess)ofanextraordinaryfundofenergy.5.AlthoughRossSeaisabundantinspecies,itisindangerof_(exploit)byhumans.mercifulpossessionsexploitationmercypossessedExerciseDotheexercisesonPage78-79ofWorkbook.