高二英语《Unit4 Global warming（第六课时）》教案（选修六）

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1、Teachinggoals教学目标1.Targetlanguage目标语言a.重点词汇和短语litter,butt,pollute,endanger,solution,addupto,breakdownb.重点句式P66Apartfromthefactthatbuttsspoilthebeautyoftheenvironment,theycontainsomeverytoxicchemicals.Itisuptopeoplenottoletplasticbagsbecomelitter.Theearthwouldbeabetterplacebecauseitwouldbelessp

2、olluted.2.Abilitygoals能力目标Enablethestudentstowriteanessayononeoftheenvironmentalproblems.3.Learningabilitygoals学能目标[来源:学科网ZXXK]Enablethestudentstolearnhowtowriteanessay.Teachingimportantpoints教学重点Thestructureofanessay.Teachingdifficultpoints教学难点Enablethestudentstolearnhowtosupporttheirpointsof

3、view.Teachingmethods教学方法Task-basedmethod.Teachingaids教具准备Acomputerandaprojector.Teachingprocedures&ways教学过程与方式StepⅠRevisionandLead-inCheckthehomework.Asktwogroupstopresenttheirtalktotheclass.T:Inthelastperiod,wetalkedaboutplasticbags.Whatdoyouthinkofplasticbags?S:Plasticbagsarewidelyusedallove

4、rourcountry.Manypeopleusethemtocarryfoodorotherthings.ButIthinktheyareannoyingandtheyseriouslypolluteourenvironment.T:Youareright.Plasticbagsarealsoknownaswhitepollution.Theyendangerourenvironmentandpeople’shealth.Now,let’sreadanarticleandfindhowtheyendangertheenvironment.Ihopeafterreadingthea

5、rticle,allofyoucanrealizetheharmofusingplasticbagsandusefewerofthem.StepⅡReadingT:Openyourworkbooksandturntopage66.ReadTom’sessayaboutlitter.Makeasummaryforeachparagraph,andthenfillinthetableonpage67.Youdon’thavetowritedowncompletesentences,noteswillbeOK.Payattentiontothewritingskillswhileread

6、ing.Sampleanswers:Paragraph1PointofviewTwoofthemostcommonanddangerouslitter:cigarettebuttsandplasticbags.[来源:学

7、科

8、网Z

9、X

10、X

11、K]Paragraph2Firstpointoftheargument;EvidenceCigarettebuttsaresmallbutbadfortheenvironment:over1,600billioncigarettesaresmokedeachyearandlargequantitiesofbuttsarethrownaway;Bu

12、ttscontaintoxicchemicals;Decreasethequalityofwater;EndangerplantsandanimalsParagraph3Secondpointoftheargument;EvidencePlasticbagslitterisadangertotheenvironment:Wasteofnon-renewableresources;Lastfrom20to1,000yearsintheenvironment;Killup