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1、课题GlobalwarmingabilitygoalsHelpthestudentslearnhowtousenewwordsandexpressionsofthisunitandhowtouse“it”foremphasis.KnowledgegoalsEnabletheSstolearnandmasterthefollowingwordsandphrases:compare,graph,phenomenon,fuel,quantity,per,data,catastrophe,climate,consequence,state,range,glance,wid
2、espread,decrease,steady,steadily,average,existence,outer,electrical,motor,can(n.),microwave,nuclear,disagreement,titlecompareto,comeabout,quantitiesof,resultin,buildup,keepon,onthewhole,makeadifference,putupwith,solongas,andsoonEmotionalandvaluableaimsEnabletheSstofindfunincooperative
3、learning.ArousetheSs’interestinlanguagestudythroughmakingpracticalsentenceswiththekeywordsingroupcompetition.KeypointsThestructureof“Itis...that...”.DifficultpointsTeachthestudentshowtomastertheuseof“it”foremphasis.TeachingmethodsExplanationandpractice.TeachingaidsTheMulti-mediaandoth
4、ernormalteachingtoolsperiodThefourthperiod教学内容设计与反思板书设计:G1G2G3G4教学内容设计与反思TeachingproceduresStepⅠRevisionAsampleposter:WhatCanWeDoaboutCarbonDioxide?Carbondioxideisoneofthemaincausesofglobalwarmingwhichwillbringtheearthcatastrophe.Hereareafewwaysthatindividualscanfollowtoreduceitsconte
5、ntintheair.●Turntheelectricalappliancesoffifyouarenotusingthem.●Putonmoreclothesifyouarecoldinsteadofturninguptheheat.●Walkorrideabikeinsteadofusingmotorvehiclesifyoucan.●Recyclecans,bottles,plasticsandnewspapers;buythingsmadefromrecycledmaterials.●Buyproductsthataremadetosaveenergysu
6、chasfridgesandmicrowaves.●Planttreesinyourgardenorschoolyard.StepIILanguagepoints1.InBritainpeople___fourmilliontonsofpotatoeseveryyear.Aswallow.Bdispose.Cconsume.Dexhaust.译：Thecarconsumesalotoffuel.用适当形式填空。Thepriceincreaseswerepassedonbythefirmtothe______..(消费者)2.Itisalready10o’clock
7、,Iwonderhowit___thatshewastwohourslateonsuchashorttrip.Acameover.Bcameout.Ccameabout.Dcameup.Mostofusknowweshouldcutdownonfat,butknowingsuchthingsisn’tmuchhelpwhenit___shoppingandeating.Arefersto.Bspeaksof.Cfocuseson.Dcomesto.Thedictionaryisbeingprintedanditwillsoon____.Aturnout.Bcome
8、out.C
