资源描述：
《高二上册英语教案：Unit13教案1.pdf》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、课题SEFCB2Unit13Thewaterplanet课时7授课日期2020.3.8-2020.3.16TalkaboutwaterandtheoceanPracticemakingsuggestionsandexpressingopinions教学目标ReviewModalVerbsWriteanexplanationparagraphSomeimportantwordsandexpressions教学重难点LearntomakesuggestionsandexpressopinionsGrammarModalVerbs1.arecorder2.ablackboar
2、d教学用具3.themultimedia4.somethingspecialfortheexperiments(eg.Oil,water,glass,icecube)背景知识：WaterPollutionWhatisnecessarytolifeonearth.Allorganismscontainit;someliveinit;somedrinkit.Plantsandanimalsrequirewaterthatismoderatelypure,andtheycannotsurviveiftheirwaterisloadedwithtoxicchemicalsorh
3、armfulmicroorganisms.Ifsevere,waterpollutioncankilllargenumbersoffish,birds,andotheranimals,insomecaseskillingallmembersofaspeciesinanaffectedarea.Pollutionmakesstreams,lakes,andcoastalwatersunpleasanttolookat,tosmell,andtoswimin.Fishandshellfishharvestedfrompollutedwatersmaybeunsafetoea
4、t.Peoplewhoingestpollutedwatercanbecomeill,and,withprolongedexposure,maydevelopcancersorbearchildrenwithbirthdefects.Themajorwaterpollutantsarechemical,biological,orphysicalmaterialsthatdegradewaterquality.Pollutantscanbeclassedintoeightcategories—petroleumproducts;pesticidesandherbicide
5、s;heavymetals;hazardouswastes;excessorganicmatter;sediment;infectiousorganismsandthermalpollution--eachofwhichpresentsitsownsetofhazards.Unit13ThewaterplanetTheFirstPeriodWarming-up,ListeningandSpeakingTeachingAims:LearnandmasterthenewwordsandtheusefulexpressionsofthispartWords:cube,sail
6、or,disadvantages,entertainmentPhrases:comeupwith,happentoUsefulexpressions:Thewaterisbeingusedto/for⋯Weshould/could⋯Ifwe⋯wecan⋯Itwouldbebetter⋯Learnsomethingaboutwaterbydoingexperiment.DosomelisteningImprovethestudents’speakingabilitybytalkingTeachingImportantPoints:Makethestudentsbefree
7、totalkaboutwater.Improvethestudents’listeningabilitybypractice.TeachingDifficultPoints:Howtofinishthetaskofspeaking.Howtoimprovethestudents’listeningability.TeachingMethods:Listening-and-answeringactivitytohelpthestudentsgothroughwiththelisteningmaterial.Individual,pairor
