高中英語人教版選修6Unit4Globalwarming《UsingLanguageⅠ》優(yōu)質(zhì)課公開課教案教師資格證面試試講教案1教學(xué)目標(biāo)Teachingaimsandtasks:1、Readinganddiscussingtounderstandtheletters.2、Learningaboutsomeusefulexpressions.3、Simplifythesuggestions(whatcanwedoaboutglobalwarming).4、Writingapostertoadvertiseslowingglobalwarming(iftimeallows).2重點(diǎn)難點(diǎn)Teachingimportant&difficultpoints1、whatweshoulddoaboutglobalwarming.2、Howtowriteaposter.3教學(xué)過程3.1第一學(xué)時(shí)3.1.1教學(xué)活動活動1【導(dǎo)入】Step1LeadinAskstudents“whataretheeffectsofglobalwarming?”Suggestedanswers:

therisingofsealevel、Forestfires、

desertexpanding、meltingglaciers、flood、droughtthechangeofanimal’sDNA、thestronghurricaneandetcDrawingaconclusion:Globalwarmingisn’tgood,Simplyspeaking,thelessburningfossilfuels,thelesscarbondioxide,theslowerglobalwarming.Atthesametime,showthecourseware:活動2【講授】Step2listening、discussingandansweringthequAskstudentstolistentothetape,afterthat,discussthefollowingquestionswitheachotherindifferentlearninggroups(dividestudentsintoeightlearninggroups,that’sthelearningunit):1、whatisOuangGuangdoingnow?2、whatdoeshefeelonhugeenvironmentalproblems?3、Whocanmakeadifferencefromtheansweringletter?4、Whatcomesasaresultofmanythingswedoeveryday?5、Whatshouldwedowhenwedon’tuseanelectricalappliance?6、What’sthesuggestionifwegoout?7、Whatcanabsorbcarbondioxidefromtheair?8、What‘sthefinalandimportant?

Afterdiscussing,onbehalfofeachgroup,onestudentstandsuptoanswerthequestionsabove,onequestion10points.(suggestedanswers)1.Heisdoingaprojectonbehalfofhisschoolaboutglobalwarming.

2.He

feelsthatindividualscanhavelittleeffectonsuchhugeenvironmentalproblems.

3.Together,individualscanmakeadifference.

4.Thegrowthofthegreenhousegas,carbondioxideintheair

5.turnitoff!

6.Walkorrideabike

7.Trees

8.Beaneducator

活動3【講授】Step3、Learningaboutsomeusefulexpressions.Askstudentstoreadandlearnthefollowingusefulexpressions.onbehalfof

havelittleeffectonadvocateimprovements

makeadifferenceputupwith

becasualaboutareeconomicalwith

yourcontributioncounts!Fillintheblankswiththeusefulexpressionsabove.thentranslatethosesentences(Discusswithmembersindifferentlearninggroups,eachgroupcandooneorallproblems,oneproblem10points,themore,thebetter).1Iamdoingaprojectonbehalfofmyschoolaboutglobalwarming.2individualscanhavelittleeffectonsuchhugeenvironmentalproblems.3peopleshouldadvocateimprovementsinthewayweuseenergytoday.4Together,individualscanmakeadifference.5Wedonothavetoputupwithpollution.6Donotbecasualaboutthis.7buythingsthatareeconomicalwithenergy.8Remember-yourcontributioncounts!Suggestedanswers:1我正代表學(xué)校做一項(xiàng)關(guān)于全球變暖的課題研究。2關(guān)于如此大的環(huán)境問題,個人是起不了什么作用的.3人們應(yīng)該支持改善我們今天使用能源的方式。4眾人拾柴火焰高(大家一起,每人都能有所作為)。5我們不必去忍受污染。6不要對此疏忽大意。7買那些節(jié)約能源的產(chǎn)品.8記住,你的貢獻(xiàn)是很有價(jià)值的(價(jià)值無限)?；顒?【講授】Step4、Simplifythelettersuggestions.(groupmembersdiscusstoSimplifythelettersuggestions.Andthenwritethemontheblackboard.eachsuggestion10points,themore,thebetter)1、Turnofftheelectrical

appliances,

ifnotusingthem.Puton

clothesinsteadofturninguptheheat.2、walkorrideabikeifyoucan.3、Recyclecontainers(容器).4、Buy

economical

energythings.5、Planttrees

.6、Bean

educator

.活動5【講授】Step5、Writingapostertoadvertiseslowinggloba該對全球變暖行動了(Timetoactaboutglobalwarming)

全球變暖的越來越厲害,它會引起海水上升、洪水、干旱、疾病等等.也許我們就沒有美麗的地球了,二氧化碳越少,全球變暖越慢。該對全球變暖行動了,下面是給你的建議:1用后關(guān)掉電器。2走路或騎車上學(xué)。3拒絕塑料袋(plastic)。4拒絕一次性碗筷(one-offbowlsandchopsticks)。5…天天來做,你的貢獻(xiàn)價(jià)值無限。

學(xué)生會

2015.12.30DifferentlearninggroupssendtheirrepresentativestowritetheposterontheBb,memberscancooperate.Selectthegoodones.Oneposter15points.Suggestedposter:TimetoactaboutglobalwarmingGlobalwarmingisbecomingharderandharder.Itcancausetherisingsealevel、floods、draughtsdiseasesandsoon.Maybewehavenobeautifulearth.Thelesscarbondioxide,theslowerglobalwarming.Timetoactaboutglobalwarming.Herearehottipsforyou.1、Turnofftheelectricityafterusingit.2、Walkorridetoschool.3、Refuseplasticbags.4、Refuseone-offbowlsandchopsticks.5、Beanadvertiser.

Justdoiteveryday,yourcontributioncountsstudentsunion2015.12.30活動6【作業(yè)】Step6summary

Goovertheusefulexpressionsandthesimplification