Unit+3+Using+Language 高中英语人教版（2019）选择性必修第四册

Unit3readingforwritingWhataretheadvantagesanddisadvantagesofseaexploration?discovernewspeciesdetectenergyresourcespredictpotentialdisastersplasticwasteoverfishingoilleakingfastreading1.What’sthetypeoftheessay?Whatareincludedinthiskindofessay?2.Whatisthewriter’sattitudetowardsseaexplorationineachessay?Canyoufindthetopicsentences?argumentativeessay(argument,evidence,restatement/recommendation/acalltoaction)essay1:Seaexplorationhascausedmanyproblemsandwillcontinuetocausemore.(opposed)essay2:Seaexplorationisimportantforourfuture.(supportative)carefulreadingReadthefirstessay.Underlinetheargumentandevidenceandcreateamindmap.argumentseaexplorationcausedproblemsevidencepollutionminingoverfishingrestatementlessexplorationandmoreprotectionmainpoint(para1)bodypart(para2-4)conclusion(para5)Howdidtheevidenceprovethepoints?

Whenpeopletalkofexploringtheseamore,theyusuallymeanexploitingit.Seaexplorationhascausedmanyproblemsandwillcontinuetocausemore.

Moreexplorationmeansmorepollution.TheDeepwaterHorizonspilledover200milliongallonsofoilintotheseain2010.Plasticpollutionisalsobad,killingmanybirdsandfish,andhasevenbeenfoundinourtapwater.Miningforresourcesisverydamaging,especiallyintheArctic.Becauseofclimatechange,thereislessicenow,whichmeanswecanlookformorefossilfuelsfurthernorth.Butifweburnthese,theicewillmeltmoreandthisnegativecyclewillcontinue.Climatechangeiswarningusthatsomethingisverywrong.Overfishingisanotherproblem.Whalesanddolphinsarealsohuntedfortheirmeatorforso-calledresearch.Althoughthiswasbannedin1982,somecountriesarestill“murdering”theseintelligentcreatureswithoutmercy.Theseaishometolife,nothumanbeings’possessions.Itishuge,butitismoresensitivethanwethink.Ifwedonotprotectit,futuregenerationswillnotforgiveus.facts,datacauseandeffectexamples,facts,dataWhatotherwayscanbeusedtoprovethepoints?Whatwaysareusedtoprovethepointsinfollowingsentences?1.Theexamisratherdifficult.80percentstudentsinourclassfailed.2.ThekeytolearningEnglishwellistokeeppracticing.Justasthesayinggoes“practicemakesperfect.”3.TherearemanywaystolearnEnglishwithfun,suchaslisteningtoEnglishsongsandwatchingEnglishmovies.4.ManyofthestudentsstayuplateeachSaturdaynight.Therefore,theyarealwayssleepythenextday.data/figures/statisticsfactsquoteexamplescauseandeffect5.EveryonewillencounterdifficultyinlearningEnglish.Asforme,spokenEnglishisthebiggestproblem.6.Takingintoomuchsugardoesharmtoourhearts.Itisrecommendedbytheexpertsthatweshouldcutdownonit.Whatwaysareusedtoprovethepointsinfollowingsentences?personalexperienceexpertopinionschartsWhichonesupportswhichtext?text2text1mindmapforessay1argumentseaexplorationcausedproblemsevidencepollutionminingoverfishingrestatementlessexplorationandmoreprotectionfacts,datacauseandeffectexamples,datacarefulreadingReadthesecondessayandcreateamindmapinyourgroup.argumentevidencerestatementseaexplorationisimportantforourfutureseaexplorationisimportantforourfuturehelpusmanageitsresourcesbetterweneednewresourcesforfuturedevelopmentThebalanceshouldbemanagedexamplelearnforlanguage1.Whenpeopletalkofexploringtheseamore,theyusuallymeanexploitingit.=whentalkingof/whenitcomesto2.Plasticpollutionisalsobad,killingmanybirdsandfish,andhasevenbeenfoundinourtapwater.结果状语仿写：人们往海里排放废水，破坏了生态系统。Peoplehavereleasedwastewaterintotheocean,damagingtheecosystem.3.Becauseofclimatechange,thereislessicenow,whichmeanswecanlookformorefossilfuelsfurthernorth.仿写：由于过度捕捞，许多海洋生物的数量锐减，这意味着生物多样性遭受到了巨大威胁。Becauseofoverfishing,thepopulationsofmanyseacreatureshavedeclinedsharply,whichmeansbiodiversityisfacinggreatthreat.定语从句4.Understanding

moreabouttheseawillalsohelpusmanageitsresources.Logging

newspecieswillimproveourunderstandingoflifeonearth.Accessing

thedeepoceanmayalsohelpustopredicteventssuchasearthquakes.V-ing作主语仿写：打破自然的平衡会对人类有非常恶劣的影响。Breakingthebalanceofnaturewillhaveabadinfluenceonhumanbeings.5.Althoughthiswasbannedin1982,somecountriesarestill“murdering”theseintelligentcreatureswithoutmercy.让步状语从句仿写：尽管人们已经采取了措施去保护环境，自然仍需要花好多年才能恢复。Althoughpeoplehavetakenmeasurestoprotectenvironment,itwillstilltakemanyyearsfornaturetorestore.6.Ifwedonotprotectit,futuregenerationswillnotforgiveus.仿写：如果我们继续探索，我们就有可能获得更丰富的资源。条件状语从句Ifwegoonexploring,it’slikelyforustogainricherresources.post-reading:Whydoweneedtoprotecttheocean?Itcovers70%oftheEar