人教版（2023）选择性必修 第四册Unit 3 Sea Exploration Using Language Reading for Writing课件(共20张PPT)

第第页人教版（2023）选择性必修第四册Unit3SeaExplorationUsingLanguageReadingforWriting课件(共20张PPT)(共20张PPT)

2023人教版选择性必修四Unit3UsingLanguage

SEAEXPLORATION

ReadingforWriting课件

LearningObjectives

Afterthisperiod,youwillbeableto

1.analyzetheargumentsandevidenceinthetexts;

2.expressyouropinionsonseaexploration;

3.writeanargumentativeessay.

Lead-in

Discovernewspecies

Providegasandoil

Predictnaturaldisasters

Whatcanseaexplorationbringtous

Whatarethesideeffectsofseaexploration

Overfishing

Oilspill

Plasticpollution

Whenpeopletalkofexploringtheseamore,theyusuallymeanexploitingit.Seaexplorationhascausedmanyproblemsandwillcontinuetocausemore.

Moreexplorationmeansmorepollution.TheDeepwaterHorizonspilledover200milliongallonsofoilintotheseain2023.Plasticpollutionisalsobad,killingmanybirdsandfish,andhasevenbeenfoundinourtapwater.

Miningforresourcesisverydamaging,especiallyintheArctic.Becauseofclimatechange,thereislessicenow,whichmeanswecanlookformorefossilfuelsfurthernorth.Butifweburnthese,theicewillmeltmoreandthisnegativecyclewillcontinue.Climatechangeiswarningusthatsomethingisverywrong.

Viewpoint/argument

Subpoint/Evidence1

Fact1/2

Subpoint/Evidence2

Fact1/2

Overfishingisanotherproblem.Whalesanddolphinsarealsohuntedfortheirmeatorforso-calledresearch.Althoughthiswasbannedin1982,somecountriesarestill“murdering”theseintelligentcreatureswithoutmercy.

Theseaishometolife,nothumanbeings’possessions.Itishuge,butitismoresensitivethanwethink.Ifwedonotprotectit,futuregenerationswillnotforgiveus.

Subpoint/Evidence3

Examples

Restatement

Statistics

Appeal:Lessexplorationandmoreprotection

Detailreading:PleasereadtheFIRSTPARTagainandfillintheblanksbelow.

Viewpoint:1.___________seaexploration.

Theproblemsofexploringsea

Moreexplorationmeansmore2.___________.

Gallonsofoil3.___________intothesea.

4.___________pollution5.___________marinelife.

Miningforresourcesisvery6.___________

7._________________leadstolessice.

Lookformorefossilfuelsfurthernorthandthe8._________ofthemwillcausemoreicetomelt.

9._____________isanotherproblem

Opposedto

pollution

isspilled

Plastic

iskilling

damaging

Climatechange

burning

Overfishing

Totrulyunderstandourplanet,wemustexploretheoceanswhichcovermostofit.Opponentsmaybeconcerned,butseaexplorationisimportantforourfuture.Forexample,scientificresearchshipscanhelpaddressimportantissuessuchasclimatechange.Weneedtounderstandwhatishappeningtoourplanetsothatwecantakeaction.Therefore,moreresearchisnecessary.

Understandingmoreabouttheseawillalsohelpusmanageitsresourcesbetter.Loggingnewspecieswillimproveourunderstandingoflifeontheearth.Itmayhelpusdiscovernewmedicines,aswellasnewsourcesoffoodandenergy.Accessingthedeepoceanmayalsohelpustopredicteventssuchasearthquakes.

Refuteopposedopinion

Viewpoint

Evidences/Examples

Evidences/Examples

subpoint1

Subpoint2

Thepopulationoftheworldisgrowingandweneednewresourcesforfuturedevelopment.Thereareprobablyvastamountsofresourcesundertheseaandice,notjustoilandgasbutalsovaluableminerals.

Ofcourse,therearestillenvironmentalrisks.However,theseshouldbebalancedwitheconomicneeds.Hopefully,astechnologyimproves,wemayhavemoreoptionsformanagingthisbalance.

Evidences/Examples

Conclusion

Viewpoint:______________Seaexploration

Helpaddressimportantissueslike1._________________.

Understandingmoreabouttheseaandtake2.____________action.

andhelpusmanageits3._________better

4._________newspeciesimprovesourunderstandingoflifeontheearthandenableustodiscover5.______________,____and________.

Accessingthedeepoceanhelpustopredict6._________suchasearthquakes

Newresourcesforgrowing7.____________andfuturedevelopment.

Conclusion:Balance8.__________needsandenvironmental9._____.

Infavorof

climatechange

necessary

resources

Logging

newmedicines

food

energy

disasters

population

economic

risks

Ingroups,discussthefollowingquestionsandtakenotes.

1.WhatisyouropinionaboutseaexplorationDoyouagreewithoneargumentmorethantheother

Ithinkseaexplorationisawonderfulidea,becauseeveniftherearenoimmediaterewardsforit,toexploreandfindoutmoreaboutourworldisalwaysagoodthing.

2HasyouropinionchangedafterreadingthetwotextsWhyorwhynot

Yes,myopinionhaschanged.BeforereadingText1,Ididnotknowthatseaexplorationcouldaddtoseapollution,viadeepseadrillingforexample.

3Arethereanyotheraspectsofseaexplorationnotmentionedthatyouthinkareimportant

Wedonotknowwhatwedon’tknow;Weneedtoexploretheoceansothatwecanbetterunderstandissuessuchasacidificationwhichleadstoseawatertobecomemoreacidic,andhowtofighttheseproblems;Studyingtheoceancausesthecreationofnewtechnologiesthatcanhelpusinotherareas.

Basedonyournote,writeanargumentativeessayonseaexploration,expressingyouropinionswithsupportingfacts.

1Thefollowingquestionsmayhelpyou.

Whatisthepurposeofseaexploration

Howdoesseaexplorationhelpustoprotectthesea

Howdoesseaexplorationcausedamagetothesea

Isthereagoodbalancebetweenprotectionandexploitation

Usefulsentencescanbeusedforyourwriting

1.Thereisaheateddebateovertheexplorationofsea,and

frommypointofview...

2.Whenitcomestoseaexploration,people’sopinionsdiffer

alot...

3.Itisthroughseaexplorationthatmanyvaluable

resourcesarediscovered...

4.Necessaryasseaexplorationis,itdoesleadtoahandful

ofproblems,including...

5.Withallabovementionedtakenintoconsideration,itis

worthwhileto...

6.Inconclusion,thebenefitsofseaexplorationgreatly

outweightherisksinthat...

onepossibleversion

One

Eventhoughtheoceansmakeupabout70%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.Ifwecare