外研版英语九上《unit 2 remember three words reduce, reuse and recycle》word教案

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1、Module6SaveourworldUnit2Rememberthreewords:reduce,reuseandrecycle课型：读写课【学习目标】1.掌握词汇 waste、energy、pollution、recycle、reusable、reduce、reuse、repair、environmental、hopeless、necessary、plastic、sort、harm、material词组句型 instead of、do harm to、make a difference to、It’s+adj.+todo、stop from能够使用本单元的新词汇；2.能够通过阅读，从生活细

2、节中采取措施来保护环境，保护地球，进而培养学生的忧患意识和主人翁意识。3.能根据关键词复述课文，并发表自己的看法。【课前准备】1、课前朗读本模块的词汇（学生自己朗读、领读或齐读）。2、四人一组口头检查词汇拼写情况。【学习过程】1、复习Unit1.2、背景知识。SavingOurNaturalResourcesTheproblemIn1991theworld’spopulationwas5.4billionpeopleandgrowingexponentiallyatarateof1.8%.Thismeantthatin1992therewereanother97millionpeopletof

3、eed,houseandclothe.Eventhenoneoutofeveryfivepeoplewenthungryanddidn’thavedrinkingwater.Moreandmoreourresourcesarebeingtappedtothepointofexhaustion.Non-renewableresourcessuchasminerals,metalsandfossilfuelsmustbeconserved.Perpetuallyrenewableresourcessuchasflowingwateraswellassolarandwindenergymustbeu

4、sedandpotentiallyrenewableresourcessuchasourair,water,soilandanimalandplantlifemustbecaredfor.Ourair:The1990FederalAirToxicsInventoryrankedPassaicCountyas6thintheStateofNewJerseyfortoxicemissions.52%ofthosetoxinswerefoundtocomefrommanageablesources.Ofthese,38%werefrommobilesources(withcarsandtrucksm

5、akingup29%)and9%fromnon-roadvehiclessuchaslawnmowersandboats.Another32%werefromsolventssuchasthoseusedindegreasers,pesticidesandcleaners.Ourwater:Theearthhasahugeamountofwater,yetonlyabout1%isfreshandusable.In1988,theNewJerseyDepartmentofEnvironmentalProtection(NJDEP)foundthat71%ofourmonitoredstream

6、sandriversweretoopollutedfrombacteriatoallowswimming.Theyalsofoundthat28%ofourcoastalwatershadtobeclosedtoshellfishharvesting.Oursoil:AccordingtheNJDEP,asof1992,only2%ofNewJerseyresidentsparticipatedinhazardouswastecollectionevents,sothechancesoftoxinsfromusedmotoroil,pesticides,cleanersandsolventsa

7、rebeingdumpedontothegroundandeventuallypollutingourgroundwaterisveryhigh.3、多层阅读。a．快速默读文章，回答下面的问题：Doyouopenawindowinsteadofturningonairconditioning?Doyoubuythingsproducedlocalinsteadofmadeaboard?Doyout