Unit 3 Sea Exploration-Using Language 公開課課件-2022-2023學(xué)年高中英語人教版（2019）選擇性必修第四冊(cè)

UsingLanguageⅡExpressyouropinionsonseaexplorationTeachingobjectives:Bytheendofthisperiod,youwillbeableto…1.figureouttheorganizationandlanguagefeatureofanargumentativeessay.2.learntoexpresstheiropiniononseaexploration.3.writeanargumentativeessayonseaexploration.4.developaproperattitudeonseaexploration.discovernewspeciesdetectenergyresourcespredictpotentialdisastersPre-reading:WarmingupWhatdoyouknowaboutseaexploration?Pre-reading:DiscussionWhataretheadvantagesanddisadvantagesofseaexploration?Advantagesofseaexploration

1.Playafundamentalroleinfillinginthegapsontheblankinformationregardingtheocean.2.Offerinformationneededtobetterunderstandenvironmentalchangesandprotectthesea.3.Helppredictthepotentialdisasters,suchasearthquakesandtsunamis.4.Detectsomenewresourcesfromtheecosystemsthatmightgivebenefitstothemedicaldrugsandotherproducts.5.Leadpeopletolocatethepartsintheoceanthatareactuallyfullofresourcesforus.Pre-reading:DiscussionDisadvantagesofseaexploration

1.Continuousexplorationmayleadtooverfishing.2.Causedamagetosomeoceancreaturesormarinelifeforms.3.Leadtothedestructionofoceantreasures.4.Possibilityofriskstoruintheecosystemsaroundthearea.5.Leadtothewasteofmoney,time,andenergy.Pre-reading:DiscussionWhile-readingReadquicklyforgeneralunderstandingandanswerthequestions.1.What’sthegenre(體裁)ofthetwotexts?

Argumentativeessay2.Whataretheauthors’attitudestoseaexplorationinthesetwotexts?Text1:opposedText2:supportiveLookatthetwochartsbelowanddecidewhichonesupportswhichtext.Text2Text1Ingroups,discussthefollowingquestionsandtakenotes.1.Whatisyouropinionaboutseaexploration?Doyouagreewithoneargumentmorethantheother?Ithinkseaexplorationisawonderfulidea,becauseeveniftherearenoimmediaterewardsforit,toexploreandfindoutmoreaboutourworldisalwaysagoodthing.2.Hasyouropinionchangedafterreadingthetwotexts?

Whyorwhynot?Yes,myopinionhaschanged.BeforereadingText1,Ididnotknowthatseaexplorationcouldaddtoseapollution,viadeepseadrillingforexample.3.Arethereanyotheraspectsofseaexplorationnot

mentionedthatyouthinkareimportant?Wedonotknowwhatwedon’tknow;weneedtoexploretheoceansothatwecanbetterunderstandissuessuchasacidificationwhichleadstoseawatertobecomemoreacidic,andhowtofighttheseproblems;studyingtheoceancausesthecreationofnewtechnologiesthatcanhelpusinotherareas.Writing:

ArgumentativeessayonseaexplorationBasedonyournote,writeanargumentativeessayonseaexploration,expressingyouropinionswithsupportingfacts.Thefollowingquestionsmayhelpyou.?Whatisthepurposeofseaexploration??Howdoesseaexplorationhelpustoprotectthesea??Howdoesseaexplorationcausedamagetothesea??Isthereagoodbalancebetweenprotectionandexploitation?UsethePEELmethodtohelpstructureyourargument.Point

Whatpointdoyouwanttomake?EvidenceWhatfactsandexamplescanyoufindtosupportyourpoint?Howreliablearethesources?ExplanationExplainhowthefactssupportyouropinionandshowotheropinionstobeincorrect.LinkConnectthispointtothenextpoint,orbacktothemainpointoftheessayorparagraph.

文章架構(gòu)明確體裁話題議論文，探索海洋確定時(shí)態(tài)人稱一般現(xiàn)在時(shí)，第一人稱布局文章架構(gòu)首段：提出論點(diǎn)中段：事例論據(jù)尾段：明確結(jié)論列出核心要點(diǎn)1.使海洋可持續(xù)發(fā)展2.了解海洋環(huán)境3.更好地了解氣候UsefulExpressionsManynationshavebeenfacedwiththeproblemof...Recentlytheproblemhasbeenbroughtintofocus.Recentlytheissuehasarousedgreatconcernamong...Nowadaysthereisagrowingconcernover...Neverinourhistoryhastheideathat...beensopopular.Facedwith...quiteafewpeoplearguethat...Accordingtoarecentsurvey...Withtherapiddevelopmentof...論點(diǎn)Somepeoplethink/believethat...,otherargue/claimthat...Theopposite/reverseis...Obviouslyithasbothadvantagesanddisadvantages．...hasmanyadvantages.Forexample...However,justaseverycoinhastwosides,...hasitsdisadvantages．Itplay(s)animportantrole／partin...Withthedevelopmentofoureconomyandsociety，pollutionismoreandmoreserious．論據(jù)Fromwhathasbeendiscussedabove,wecandrawtheconclusionthat...Itishightimethat...Weshouldtakemeasurestocontroltherapidlyincreasingworldpopulation．Thegovernmentdecidedtotakestrongmeasuresagainst...Itisnecessarythatstepsshouldbetakento...Thereisnoeasymethod,but...mightbeofsomehelp.Tosolvetheabove-mentionedproblem,wemust...Insummary,ifwecontinuetoignoretheabove-mentionedissue,moreproblemswillcropup.結(jié)論SampleWritingEventhoughtheoceansmakeupabout70%oftheearth'ssurface,morethan80%oftheoceansremainunexplored.Whilesomepeoplesaythatweshouldnotexploretheoceans,theirreasoningisnotverysound.Exploringisnotthesameasexploiting.Whenweexploreaplace,wegojusttoseeandunderstandwhatisthere.Weshouldexploretheocean,firstandforemost,becausewedonotknowwhatwedonotknow.Wethoughtweknewmanyabouttheocean,butwewerewrong.Therecouldbelifeformsintheocean,forexample,thatfitnoneoftheneatcategorieswehaveforlifewhilewehavenocluethattheyevenexist.Thisbringsupthesecondpoint.Wealreadyknowmanythingsabouttheocean,butweneedtolearnmore.Agoodexampleisoceanacidification.Weknowthatitiscausingcoraltodie.Weknowthatusinglessfossilfuelwouldcausetheprocesstoslowdown.However,weneedtolearnmoretofindouthowtostopit.Weneedmoreresearchtoseewhatisgoingon,andtocomeupwithplansandsolutions.Finally,todothisresearch,wehavetoenteranextremeenvironmentnotveryfriendlytohumans.Thisrequiresthedevelopmentofnewtechnologiesthatcanalsobenefitusinotherareas.Forexample,inmanyways,thedeepoceanresemblesouterspace.Thetechnologiescanbenefiteachother.Foranotherinstance,thetechnologyofamechanicalarmtocollectsampleswithhasbeenusedinfactoriesanddevelopmentofartificiallimbsforhumans.Allinall,therearemanygoodreasonstoexploretheoceans.Ifwecareaboutscience,aboutprotectingouroceans,andaboutdevelopingnewtechnologies,weneedtodoallwecantosupportoceanexploration.假定你是某校的宣傳委員李華，應(yīng)邀為學(xué)校網(wǎng)站英文版寫一篇有關(guān)海洋生物保護(hù)的文章，請(qǐng)根據(jù)以下要點(diǎn)寫一篇短文。1.海洋受污染的現(xiàn)狀;2.保護(hù)海洋的重要性。注意:1.詞數(shù)100左右;2.可適當(dāng)增加細(xì)節(jié)，以使文章連貫。TheImportanceofProtectingOurOceans

Asweallknow,therearevarietiesofresourcesunderthesea.However,thepasttenyearshaswitnessedthatsomecreatureshavediedout.Therefore,marinepollutionhasbeengreatlyconcernedbythewholeworld.Ontheonehand,wemustmakepeoplerealizetheimportanceofprotectingtheocean.Asamatteroffact,toprotecttheoceanistoprotecthumanbeings.Ontheotherhand,thegovernmentshouldtakeimmediatemeasurestokeepthebalanceofnature.Innowayshouldweabandonprotectingtheenvironment.Onlybyraisingpeople’sawarenessofprotectingtheenvironmentandmakinggreateffortstopreventpollutioncantheproblembesolved.Importantphrases某不良循環(huán)物流入海中開采資源無情地應(yīng)對(duì)重要問題采取行動(dòng)對(duì)……有更多的選擇negativecyclespillsthintotheseamineforresourceswithoutmercyaddressimportantissuestakeactionhavemoreoptionsfor

Importantphrases自來水所謂的是……的家園/棲息地?fù)碛?；占有進(jìn)入深海與……相平衡許多，大量tapwaterso-calledbehometoinpossessionofaccessthedeepoceanbebalancedwithamountsof

Usefulwordsandexpressions1.Whenpeopletalk/speakof/aboutexploringtheseamore=Talkingof/about....=Whenitcomestomoreseaexploration

當(dāng)人們談到多進(jìn)行海洋探索的時(shí)候2.exploitvt.開采，開發(fā)，開拓(minerals/resources/rainforestsfor...)vt.運(yùn)用，發(fā)揮(thepotentialof)vt.利用(anopportunity/one’syouth)（為自己謀利）

vt.剝削，壓榨（某人）3.cause/leadto/produce/present/resulttomanyproblems

造成許多問題4.spill(oil)intothesea使...溢出、灑出、溢出進(jìn)入...spill(water/milk/coffee)down/over/on/ontoone’sshirt/desk

使...灑、潑倒在襯衫、桌子上(water/milk/coffee)spill

down/over/on/ontoone’sshirt/desk（液體）灑在（...）(water/milk/coffee)spill

from/outofthepot（液體）從...溢出來Thousandsofgallonsofcrudeoil____________(spill)intotheocean.(spilt,spilt;spilled,spilled)werespilt5.Plasticpollutionisalsobad,________(kill)manybirdsandfish.Thehospitalhasrecentlyobtainednewmedicalequipment,_____________

(allow)morepatients______________(treat).

killing,allowing為現(xiàn)在分詞短語，作結(jié)果狀語，tobetreated為不定式短語作賓補(bǔ)。6.beverydamaging(toone’shealth/theenvironment)=beveryharmful(to...)=causemuchdamage/harmto...=dam7.warnsbthat.../ofsth警告某人...8.hunt(animals)for(theirmeat/fur...)

為了...而獵殺...killingallowingtobetreated9.(murder/hunt/kill/treat)withoutmercy=...mercilessly無情地...10.humanbeings’possessions人類的財(cái)產(chǎn)one’streasured/prized/preciouspossession(s)

某人珍貴的財(cái)產(chǎn)one’spersonalpossessions/belongings某人個(gè)人財(cái)產(chǎn)(sb)beinpossessionofsth某人擁有、占有、持有某物=(sb)haspossessionofsth=possesssth(sth)beinsb’spossession/beinthepossessionofsb

某物為某人所擁有、占有、持有takepossessionofsth開始擁有、占有、持有=begintopossesssth_________herfather’sdeath,shecameintopossesionofavastfortune./avastfortuecameintoherpossession.(=shegot/receivedavastforune.)Youcannotlegallytakepossessionoftheproperty________threeweeksafterthecontractissigned.Hewaschargedwith___________________________（擁有）ashotgunwithoutalicence.11.address/tackle/solveimportantissues

解決、應(yīng)對(duì)重要問題

=addresoneselftoimportantissues12.manageoneresources/time/moneywell/better

很好/更好地管理某人的資源、時(shí)間、資金On/uponuntilpossessing/inpossessionof

13.loggingnewspecies/allphonecalls=officiallyrecord/makeanofficalrecordof...正式紀(jì)錄...14.accessingthedeepocean

進(jìn)入深海15.vast/enormous/huge/tremendousamountsof...(+不可數(shù)名詞)=a....amountof.../=a...quantiyof.../=agreatdealof大量的...16.balance...with/against/and...權(quán)衡/比較（利弊）balance...with/and...同等重視、兼顧Thereisaneed__________(balance)thedemandsoftheworkplace_______________thoseoffamilylife.Devolopmenthastobebalanced_____________environmentalcencerns.Youhavetobalancetheadvantagesoflivinginabigcity______thedisadvantages.Shetriestobalancehomelife____________career.tobalancewith/againstwith/againstwith/againstwith/and17.Hopefully,astechnologyimproves,wemayhavemoreoptionsformanagingthisbalance.

隨著技術(shù)的進(jìn)步，我們有望會(huì)有更多的選擇來駕馭這一平衡。=Itishopedthat,withtheimprovementoftechnology,wemay.