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2019-2020年高中英语unit2usinglanguage教案新人教版必修4备课日期课型Usinglanguage教学目标知识与技能Enablestudentstodevelopreadingskillsbyskimmingformainideasandscanningfordetails.Enablestudentstolearnandtalkaboutdisadvantagesofchemicalfarmingandadvantagesoforganicfarmingmethods.过程与方法Enablestudentstotraintheirabilitytogaininformationbycompletingsometasks.Enablestudentstomakedialogueswiththehelpofgivenpicturesandsampledialogues.情感态度与价值观Enablestudentstohaveabetterunderstandingoforganicfarmingandpayattentiontothequalityoffoodweeat.Enablestudentstodeveloptheirsenseofgroupcooperationandteamwork.教学重点Enablestudentstolearntousestrategiessuchasskimmingscanningandsoontodotheirreading.Enablestudentstousetheinformationtheygaininthereadingtomakeadialogue教学难点Enablestudentstosummarizetheadvantagesanddisadvantagesofgreenfood.教学方法Scanning;skimming;groupwork教学用具Blackboard;chalk;multi-mediacomputer课时安排2period教学内容设计与反思板书设计:Groupcompetition:G1G2G3G41Theadvantagesofgreenfood FreeofchemicalfertilizersFullofnutritionPollution-freeHealthyandsafeGrownwithnaturalfertilizerGrownawayfromindustrialareasanddirtywatersupplies2Thedisadvantagesofgreenfood:Peopledon’tknowaboutthefoodandhowgooditisMoreexpensiveItisnoteasytobuyTeachingproceduresStepⅠWarmingupGuesswhatitis.Itis…whatweofteneatredandroundrichinvitaminhighinfiber akindoffruit——appleOneappleadaykeepsthedoctoraway.What’sthedifferencebetweenthetwoapplesNotallapplesarecreatedequal!StepⅡReadingChemicalororganicfarming
1.SkimmingSkimandmatchthemainideawitheachparagraph.Para1Problemscausedbychemicalfertilizers.Para2Farmersandcustomersturntoorganicfarming.Para3Othermethodstokeepthesoilfertile.Para4Long-termuseofchemicalfertilizerscancausedamagetothelandandpeople’shealth.
2.Fast-readingReadthepassageandanswerthefollowingquestions.1WhyarechemicalfertilizerssopopularinfarmingtodayTheyareagreatwaytostopcropdiseaseandincreaseproduction.
2.WhatisorganicfarmingOrganicfarmingissimplyfarmingwithoutusinganychemicals.
3.WhatisthegoalofusingorganicfarmingmethodsTogrowgoodfoodandavoiddamagingtheenvironmentorpeople’shealth.
3.ScanningScantofinddetailsofchemicalfarmingandorganicfarmingbyfillingthecharts:
1.Whatproblemsarecausedbychemicalfarming
2.HowdotheycausetheproblemsWhatproblems Howtocause bystayinginthegroundandundergroundwater bybuildingupinpeople’sbodiesovertime
4.fruitvegetablesandotherfoodhavelessnutrition StepⅢReadingtwoReadtheshortpassageonP15andgettheinformationoftheadvantagesanddisadvantagesofgreenfood.StepⅣMakeadialogueYouwillbegiventhreesituations.Youandyourpartnerneedtochooseonefromthemandmakeadialogueaboutgreenfood.SampledialogueA:Goodmorning!CanIhelpyouB:I’dliketobuy...A:WhichonewouldyoulikeB:Iwouldrather…A:It’sbettertochoose…B:What’stheadvantageofitA:Theadvantageofitisthat…StepⅤAssignmentdesignaposterNowyouworkforagreenfoodcompany.Yourbossasksyoutodesignaposterforadvertisingthesafetyandimportanceofeating“greenfood”.StepVIHomework
1.课时单元检测P79-
802.单词测到leadtoReflections:TheadvantagesofgreenfoodThedisadvantagesofgreenfoodMainheadingThisexplainsthatyousellgreenfood.Reasonstobuy:Reason1:Reason2:Reason3:Reason4:Whyitisgoodvalue.。