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新外研社19高中英语必修二Unit6Earthfirst-Startingoutkeywords教案Teachingobjectives:Enablestudentstomasterthewordsandexpressionsaboutthetopic.Leadstudentstobefamiliarwiththetopicandstimulatetheirknownbackgroundknowledgeandinterestsinthetopic.GuidestudentstotakeadvantageofdivergentthinkingandbeabletodescribewhatcartoonsshowandexpresstheirideasinEnglish.Raisestudentsawarenessofprotectingtheearth.Evaluationobjectives:Askstudentstotalkaboutthecartoonstofindoutwhetherstudentscangettoknowtheenvironmentalproblemstheearthisfacing.Askstudentstodescribethecausesofenvironmentalproblemsandhowtodealwiththemtofindoutwhetherstudentscanthinkdivergently.Askstudentstodosomeexercisesrelatedtokeywordstofindoutwhethertheyhavemasteredthem.Teachingkeypoints:Enablestudentstounderstandtheenvironmentalproblemstheearthisfacing.Leadstudentstoexpresstheirownopinionsaboutthecausesofenvironmentalproblemsandhowtodealwiththem.Leadstudentstoknowthemeaningsofkeywordsinthelanguagecontext.Teachingdifficultpoints:Studentscanexpresstheirownopinionsaboutthecausesofenvironmentalproblemsandhowtodealwiththem.Studentscanusethewordsinthecontextproperly.Teachingmethods:CooperativeTeachingMethodTask-basedApproachCommunicativeApproachTeachingprocedures:Stepl:Lead-inT:Hello!Boysandgirls.Asweallknownowadaystheenvironmentisfacingmanychallenges.CanyoumakealistofsomeenvironmentalproblemsS:Smogwhitepollution...T:Youdidagoodjob.NowIdlikeyoutolookatsomecartoonsaboutenvironmentalproblem.LookatthecartoonsonPage61andanswerthefollowingquestions..Whatenvironmentalproblemdoeseachcartoonreferto.Whatarethecausesoftheseproblems.WhatdoyouthinkisthemostseriousenvironmentalproblemwefacetodayWhatshouldbedonetohelpsolveitSuggestedanswers:l.waterpollution;deforestation;airpollution;globalwarming.StudentsownanswersT:Nowletsconcludethecausesyoujustnowmentioned.Justtakenotesofthekeyexpressions:1cutdowntrees2ignoretheenvironment3onlyseektomakemoreandmoremoney4throwawayrubbishatwill....StudentsownanswersT:Maybethefollowingexpressionscanhelpyouexpressyourideas:1raisepeople/sawarenessofenvironmentalprotection2recyclerubbish3classificationofthewaste4low-carbonlifeStep2:ExchangeideaswitheachotheringroupsStep3:BrainstormPleasemakealistofthewordsrelatedtoenvironmentalproblemsandsolutionstothem.TJustnowwehavebeentalkingaboutenvironmentalproblemsandwehavelearntsomeexpressionsaboutthem.Nowpleasethinkoverandmentionmoreaboutenvironmentalproblemsandsolutionstothem.T:Nowzletssummarizewhatyouhavementioned.Suggestedanswers:globalwarming2climatechange3overpopulation4wastedisposal5lossofbiodiversity6takeeffectivemeasurestodo7passlaws8putabanon9attachimportancetoStep4:RememberthefollowingwordsA.Matchthewordswithmeaningslshark⑴忱使某人惊恐,吓唬2scare⑵,.鲨鱼3dive⑶.灭绝,绝种4target4区致力Sextinction5残酷;残暴⑹highlight⑹以通常指使用呼吸设备的潜水7cruelty⑺帆把……作为目标8hunting⑻上建立9damage9干旱,旱灾lOaffect10似使恢复lladopt11帆使漏使渗漏12reusable12也使......突出,使注意力集中于13release13必搬走,移走,去掉14campaign14u.竭力主张,强烈要求,敦促15fog15岫.可再度使用的,可多次使用的16infection16时焦急的;担忧的17sustainable17也促成,造成某事发生18contribute18u.破损;损害19reserve19,.雾20fin20也切去鱼的鳍鱼鳍21drought21必影响22restore22/.值传活动23leak23帆释放,排放24remove24/.感染传染病25devote25M/.可持续的不破坏环境的26concerned26r.野生生物保护区27urge27帆采取某种方法28establish28/
7.打猎;狩猎B.根据释义写出单词AfeelingoranopinionaboutsomethingorsomeoneAsituationinwhichaparticulartypeofanimalsorplantsdiesoutAsuddenfeelingoffearorworryBecauseof;asaresultofJumpintowaterorswimunderwaterAlargefishthathassharpteethandafinonitsbackBygoodluckAnaimoragoalthatyouaretryingtoachieveSetup;foundWorried;anxiousMove;getridofTrytopersuadesb.todosth.Allowapersonorananimaltogo;setfreeHaveaneffectonSuggestedanswers:A.略ttitude
2.extinction
3.scare
4.dueto
5.dive
6.shark
7.fortunately
8.target
9.establish
10.concerned
11.remove
12.urge
13.release
14.affectStep5:Learnthekeywordsl.scare忱使某人惊恐,吓唬【词形变化】ad/.scary可怕的;骇人的scared恐惧的【短语搭配】scaresb.away/off把吓跑scaresb.intodoingsth.恐吓、威胁某人做某事【即学即练】lYoucantscaremetellingyouanything.2JeffhadhuntedinIowabeforeThanksgivingwithhisdogRosiebutthegunshotshadscaredthedog..target也把......作为目标【一词多义】目标;对象【短语搭配】targetsth.on/atsb./sth.把某物瞄准某人/某物betargetedat目标是;面向atargetfor.的目标【即学即练】lWhowerethenewspapersofthenewtrendtargeted⑵我所说的话并非针对你.devoteu.致力,献身【词形变化】n.devotion献身;热爱【短语搭配】devoteonestime/energy/attentiontosth.把某人的时间、精力、注意力用于某事devoteoneselftosth.致力于某事bedevotedtodoingsth.致力于做某事【即学即练】lNeighboursdevotedtheirsparetimetohelpothersrebuild.2HoweverJnsteadof致于theirworktheyfindthemselvesworkingtosupportthelifestyletowhichtheyhavesoquicklybecomeaccustomed..reduce区减少【词形变化】.reduction减少【短语搭配】reducesth.by把某物减少了(幅度)reducesth.from...to...把某物从......减少到……【即学即练】(l)ThenumberofcitiesproducingCObeyondthestandard(从40减少到9).
(2)Consumption(减少了25%)comparedtothatlastyear..account账户;账单【一词多义】也认为是;视为【短语搭配】take...intoaccount把考虑在内accountfor是......的原因;解释;说明;占(一定数量或比例)onaccountof由于;因为onnoaccount绝不;绝对不【即学即练】Whenyouaremakingaplanyoushould(把天气考虑在内).
(2)Theprofessorwarnedthestudentsthat(绝不)shouldtheyusemobilephonesinhisclass.
(3)ltissaidthatbodylanguage(占)55%ofafirstimpressionwhilewhatyousayjust7%..urge忱强烈要求;敦促【一词多义】.冲动【短语搭配】urgesb.todosth.力劝/敦促某人做某事urgesb.into/towards...驱赶某人,把某人赶进.【即学即练】
(1)1neverfelt(冲动)tolearnanysignlanguagebefore.⑵很多学生被敦促努力学习.concerned功.焦急的;担忧的【词形变化】u./mconcern担忧;关心【短语搭配】beconcernedabout...对担,心beconcernedwith...与有关;涉及asfarassb.beconcerned就......而言;在......看来【即学即练】lOthers担心usinggardeningmethodsthatrequirelesswaterandfewerfertilizers肥料.2你的文章需与环境保护有关.contributeu.促成;造成【词形变化】n.contribution贡献;捐款【短语搭配】contribute...to/towards...[n]......捐献contributeto...导致/造成某事发生makeacontributionto...对做出贡献【即学即练】lWearenotsayingthateveryoneneedstocontributetheirlivesthepoor.⑵人们的行为导致了环境污染Suggestedanswers:.linto2away/off.lon/at2WhatIsaiddidnttargetyou..lhelping2devotingthemselvesto.lisreducedfrom40to92isreducedby25%.ltakeweatherintoaccount2onnoaccount3accountsfor.ltheurge2Manystudentsareurgedtostudyhard..lareconcernedabout2Youressayshouldbeconcernedwithenvironmentalprotection..lto/towards2Peoplesbehaviorscontributetoenvironmentalpollution.Step6:ReflectiononwhatstudentshavelearnedinthisclassPleasewriteashortparagraphabout“Howtodealwithairpollution“accordingtowhatyouhavelearntinthisclass.About50-80wordsHomework:Polishtheparagraph.Teammatesworktogethertocorrectthemistakesintheuseofwordsandgrammar.。