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ID:39982643
大小:32.51 KB
页数:4页
时间:2019-07-16
《高中英语全英教案》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、高中英语教案I.Teachingfocus1.Realizethedamagecausedtotheworldandfigureoutthereasons.2.Findwaystostoptheearthfrombeingpollutedbydiscussingingroups.II.TeachingapproachesElicitation,MutualInteractionIII.TeachingaidInteractivemultimediateachingIV.TeachingprocessStep1Revision1.Checknote-maki
2、ngEarth:notenoughrain,toomanycattle,cuttingdowntrees,strongwindsAir:smokefromfactories,powerstations,cars,chemicalrain,accidentsatpowerstationsandfactoriesWater:wastefromfactoriesandcitiesStep2Presentation1.Presentaseriesofimagesdepictingthenaturalbeautyoftheearth,thenthepollution
3、.Highlightthesharpcontrastbetweenthem.Guidethestudentstotheconclusion:Theearthusedtobemuchmorebeautifulthannow;theearthisindangerduetotheincreasingpollution.2.Studythemaponthetextbook,thenscanthepassagestofigureoutwhereontheworldatlasthedamagehashappened.Encouragethestudentstogive
4、outtheirpointofviewtowardthepollutionissue.Step3AudiovisualLearningThestudentswatchavideoonthetext,thendothefollowingtrueorfalsequestions.1.Manypartsoftheworldwithlargepopulationandplentyofcropshavebecomedeserts.T2.Landmaybecomepooriffarmersdonotlimitthenumbersoftheircattle.T3.Goo
5、dsoilisgraduallylostthesedaysastreesarebeingcutdown.T4.Airpollutionandwaterpollutionarethetwocausesoftheproblemthatmanypartsoftheworldhavebecomedeserts.F5.Chemicalsinthesmokefrompowerstationscantravelhundredsofmilesinthewindbeforefallingdowntothegroundintherain.F6.Afterabadacciden
6、tatanuclearpowerstation,50%ofthetreesinGermanyweredamaged.F7.ThewritertoexplainhowwaterispollutedusestheexamplesoftheaccidentsinbothIndiaandRussian.F8.Onceoceansarepolluted,theyarenotabletocleanthemselves.FStep4IntensiveReadingReadthepassagesagainforsomedetailedinformation1.Tosays
7、omethingaboutthedamagethatiscausedtotheworldbypollution,usingtheinformationfromthetext.Trytopresentpossiblewaystohelpsolvetheproblems.PhenomenaCausesSuggestionsEARTHTheareaofdesertisgrowingeveryyear.Cattleeatgrass.Limitthenumberofthecattle.Goodsoilisgraduallylost.Treesbeingcutdown
8、;strongwindsblowingthevaluablesoi
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