Unit2SavingtheEarthSectionCTopic3Whatcanwedoathometoprotecttheenvironment?Warming-upFreetalkWhatdoyouoftendotobeagreenerperson?

Tips:shutofftheelectricityturnoffthetapreusetheglassbottles…It’sanelectriccar.Itworkswell,butit’sslowandcan’trunforlongbecauseofitslimitedelectricity.electric(adj.)—electricity(n.)Pre-readingLookandlearnIt’samaglevtrain.It’sdifferentfromthetraditionalsteelrailways.Ithasnowheelsbutitrunsveryfast.磁懸浮列車n.鋼鐵，鐵軌n.車輪，輪子Pre-readingIt’sbiogas.Itcanbeusedforlighting,heating,cookingandsoon.un.沼氣Pre-reading()1.It’sgoodthatpeopleproducepowerfromcoal.()2.Nuclearpowerisdangerous.Sowecan’tuseit.()3.Tosolvetheenergyproblem,peoplealloverthe

worldarelookingfornewwaystoproducepower.ReadParagraph1,andmarkTrue(T)orFalse(F)TFTWhile-readingParagraph2Readandchoosetherightpictureforparagraph2-4While-readingCParagraph3While-readingAParagraph4While-readingBReadandmatchthewordswiththepicturesA.acidrainB.nuclearenergyC.biogasACBWhile-readingReadagainandcompletethetableItemAdvantageDisadvantagebiogas

electricvehicle

maglevtrain

renewablelongprocessandhighcostforitsbuildingsaveenergy,nopollutiontoosmalltoholdmanypeoplequiet,quick,energy-efficient,nopollutionmuchmoreexpensivethantraditionalsteelrailwaysWhile-readingLanguagepointsrenewable=re+new+ableadj.

可更新的，可再生的disadvantage=dis+advantagen.

不利因素；不便之處best-known=best+knownadj.

最知名的Germann.

德國人；德語pl.

GermansGermanyn.德國Post-readingItskeydisadvantageisthattheprocessrequiresalongtime(upto30days)

andthecostishigh.process

n.

步驟，過程v.加工，處理require

v.需要，需求require(doing)sth.

該做……了e.g.Thefloorrequireswashing.地板該洗了。berequiredtodosth.被要求做……e.g.Studentsarerequiredtoattendclasses.學生必須按規定上課。Post-readingInmanycountries,people…coal,butitis…andcausesacidrain.However,nuclearpowercanbeverydangerous.Itcannotonlyprotect…butalsosaveenergy.It’stoosmalltoholdmanypeople,but…future.Thereisnowheelnoise,becausetherearenowheels.Maglevtrainsareveryenergy-efficientanddonotpollutetheair.However,maglevguidepathsare…steelrailways.Thecompoundsentencestoo…to…太……以至于不能……Post-readingCompletetheblanksBecareful!Thereisa______(深的)holeatthefront.Weneeda______(向導)tohelpustothroughthemountain.Arethereany_________(德國人)inyourlanguagetrainingschool?Theprintingfactoryusedtheverylatest___________(技術).Everythingisready.Idon’t____________(需要)anythingelseatall.deepguideGermanstechnologyrequire/needPost-readingReadthepassagebelowandmatchthepictureswiththesentences2431Post-readingDiscussindetailtheuseofoneenergysourceingroupsandtakenotesonyourdiscussion.1.Windcanproduceelectricityinmanyplaces.2.Peopleusesunlighttoproduceelectricity.3.Seawavesareusedforproducingelectricity.4.Peopleusehotwaterorsteamfromdeepin

theearthtoproduceelectricityandheatfor

factories,schoolsandhomes.Post-readingDiscussYoumaybeginlikethis:Sunlightcanproducealotofenergy.Peoplebegantousetheenergyfromthesunlightindifferentwaysmanyyearsago…ItemAdvantageDisadvantagebiogas

electricvehicle

maglevtrain

renewablelongprocessandhighcostforitsbuildingsaveenergy,nopollutiontoosmalltoholdmanypeoplequiet,quick,energy-efficient,nopollutionmuchmoreexpensivethantradition