Unit6EarthFirstDevelopingideasReading课件高中英语

Unit

6Earth

firstPeriod5DevelopingideasWhat'sreallygreen?Attheendoftheclass,you'llbeableto:distinguishsomerealgreenlivingtruthsfromfalseones;analyze

thelogicofcauses-effects-measuresinthecontextofagreenlifestyle;putwhatyou’velearnttodayintodailypracticetolivearealgreenlife.LearningobjectivesChectoutQuiztime!Howmuchdoyouknowaboutagreenlifestyle?Lookatthequestionsabout“greenliving”andtickyouranswers.Whichshoppingbagismoreenvironmentallyfriendly?Aplasticbag.Apaperbag.Neitherofthese.Lookatthequestionsabout“greenliving”andtickyouranswers.2.Whatshouldyoudotosaveenergywhenleavingyourhome?

Turnoffadevice.Unplugadevice.Neitherofthese.

Lookatthequestionsabout“greenliving”andtickyouranswers.3.Whatfoodisbetterfortheenvironment?

Foodproducedneartowhereyou

live.Foodproducedfarfromwhereyou

live.Itdepends.

Lookatthequestionsabout“greenliving”andtickyouranswers.4.Whichuseslesswater?Takingabath.Takingashower.Itdepends.Think&PredictWhat'sgreen?What'sreallygreen?LookatthetwotitlesandthinkoutthedifferencesbetweenthemandWHYtheauthoruses“What'sreallygreen”insteadof“What'sgreen”.Papershoppingbagsarebetterthanplasticones.Whenyouturnoffadevice,itstopsusingpower.Eatinglocalfoodisgoodfortheenvironmentintermsofcarbonfootprint.It’sbettertotakeashowerthanabathtosavewater.Think&PredictsubheadingsRead&DecideReadthesubheadingsinthepassageanddecideiftheyaretrueorfalse.expandon:toadddetailstowhatyouaresayingExpandonthemainheadingSlightlylongerthanthemainheadingGivethereaderanoverallunderstandingofthetextWhat'sreallygreen?Papershoppingbagsarebetterthanplasticones.Whenyouturnoffadevice,itstopsusingpower.Eatinglocalfoodisgoodfortheenvironmentintermsofcarbonfootprint.It’sbettertotakeashowerthanabathtosavewater.Ittakeshundredsofyearsforplastictobreakdown，butmuchlesstimeforpaper.Whenweturnoffadevice,itgoesintostand-bymode.Localfooddoesnotneedtobetransportedlongdistancesandkeptcoolduringtransport.Takingashoweruseslesswaterthanabath.Whydopeoplebelievethesestatementsaretrue?Read&ThinkReadthepassage,checkyouranswersandthenfigureoutWhydopeoplebelievethesestatementsaretrue?Readtheeffectsandcompletethecausesoftheseaccordingtothepassage.CAUSESEFFECTS1.Makingapaperbagusesmoreenergyandwaterthanmakingaplasticbag.Italsoproducesmoregreenhousegases.Paperbagsarenotgoodfortheenvironment.2.Devicesturnedoffgointostand-bymodeandstillusepower.Turningoffadevicewon'tstopitfromusingpower.3.Localproducesometimesmightusemoreenergyandproducemoregreenhousegasesthanproducegrownalongwayaway--eventakingintoaccountitstransport.Eatinglocalfoodisn'talwaysbetterfortheenvironment.CAUSESEFFECTSadj.备用的把……考虑进去4.Ifyouspendmorethaneightminutesinashower,you'lluseasmuchwaterasinabath--about50litresofwater.CAUSESEFFECTSIt'snotalwaysbettertotakeashowerthanabath.n.升，公升Takeareusablebagwithyouwhenyougoshopping.Tomakesuretheapplianceisinfactoff,removetheplugfromitspowersupplyEatinglocalfoodisn'talwaysbetterfor

theenvironment.Keepyourshowertimeasshortaspossible.Read&ReflectHowmuchdoyouknowaboutagreenlifestyle,afterreadingthetext?IntroductionBodyConclusionGreentruth1Greentruth2Greentruth3Greentruth4Figureoutthestructureofthepassage.IntroductionConclusionBodygreentruth1greentruth2greentruth3greentruth4Read&SummarizePaperbagsarenotgoodforthe

environment.Turningoffadevicewon’tstop

it

fromusingpower.Eatinglocalfoodisn’talwaysbetter

fortheenvironment.It’snotalwaysbettertotakea

showerthanabath.Whichofthe“greentruth”surprisesyoumost?Giveyourreasons.Q1Think&Share

Areyouawareofanyother“greentruths”thatarenottrue?Sharethemwiththeclass.Q2How“green”areyou?Shareyour“greenactions”withtheclass.Q3Carpoolingisnotasgreenasitisclaimedtobe.Inmostcases,thisisworsethantakingprivatecarsbecausetheyhavetorushbackandforthbetweencarpoolers,whichactuallyincreasethemileage.Retellthepassagebasedonfoursubheadingsandsomekeywords.Greentruth1timetobreakdown;usagesofenergyandwater;

producegreenhousegasesPapershoppingbagsarebetterthanplasticones.Greentruth2stand-bymode;electricitycontinuestoleak;removetheplugWhenyouturnoffadevice,itstopsusingpower.Greentruth3transportedlongdistances;keptcold;productionofthefood;energyandgreenhousegasesEatinglocalfoodisgoodfortheenvironment.Greentruth4showertime;bathsize;eightminutes;50litresIt'sbettertotakeashowerthanabath.Retell&ReviewTakeactionsnow!Whatcanwedotobecome“greener”orbecomereallygreen,notjustgreen?Think&ShareChangingYourPersonalHabitsCarryareusablewaterbottlesoyouwillnotneedbottledwater.Usereusablebagswhileyou’reshopping.Reuseitemstosavethemfromthelandfill.Reducetheamountoftimeyouspendusingelectronics(电子产品).Buysecond-handproductsorborrowitemsinsteadofbuyingthemnew.Turnlightsoffwhentheyaren’tinuseCreatingaGreenHomeCutdownonyourwateruse.Linedryyourclothinginsteadofusingadryer.Eatlessmeatbecauseittakesmoreresourcestoraise.Recyclepaper,cardboard,plastic,glass,andmetalcans.StayingGreenontheMoveWalkorrideabiketosomeplacesifyoulivecloseenough.Usepublictransportationtotravellongdistances.12Sometips!1Usethesequestionstohelpplanyourtalk.Which“greentruth”areyougoingtotalkabout?Whydopeoplebelieveitis“green”?Whyisitnotcompletelytrue?Whatcanyoudotobecome“greener”?2Organiseyourtalkfollowingthestepsbelow.Startyourtalkbystatingthetopic.Describeyourchosen“greentruth”inmoredetail.Explainwhyitisnotcompletelytrue.Endyourtalkbyencouragingyouraudiencetobecome“greener”.Topic:Areelectriccarsreally“green”?Description:Electriccarsrunonelectricityandtheydon’tburngasolineatall;thereforetheydon’temitCO2,thuscreating“zeroemission”(零排放).Forexample:Explanation:

Althoughdrivinganelectriccardoesnotcauseanyairpollution,thepollutionmainlycomesfromtheproductionofitsbatteryandtheelectricityusedtokeepitrunning.Theproductionoftheelectricbatteriesrequireslithium(锂).Alargeamountofenergyisusedonminingandprocessingthismetal.Meanwhile,theelectricitybywhichelectriccarsarepoweredismainlyfromburningcoalorgas.Allofthesecontributetocarbonemissions.Consequently,electriccarsaren’treallygreen.We

only

have

one

planet.Let’s

take

care

of

it.1.Ittakeshundredsofyearsforplastictobreakdown,butmuchlesstimeforpaper.breakdown:ifasubstancebreaksdownorisbrokendownintoparts,itseparatesintothepartsthatitismadeupof分解，分化egAftermanyyears,rocksbreakdownintodirt.Foodisbrokendowninthestomach.

Languagepointsbreakdown还意为：Theplanwasgood,butitbrokedown,becausepeoplewereunwillingtocooperate.Wearesorrytoarrivelate,butthecarbrokedown.Yourhealthwillbreakdownifyouworktoohard.Theyoungwomanbrokedownintears.（计划、谈判等）失败（机器、车辆等）坏了（身体）垮了感情失控（痛哭起来）【语境应用】翻译句子。1)电梯坏了，我们不得不走楼梯。Theliftbreaksdown,sowehavetowalkupthestairs.2)他听到这个消息时不禁痛哭起来。Hebreaksdownwhenhehearsthenews.2.However,makingapaperbagusesfourtimesasmuchenergyasmakingaplasticbaganduptothreetimestheamountofwater.动名词短语making

apaperbag作主语，谓语动词用单数形式。倍数表达法，结构为：倍数+asmuch+不可数名词+as+其他常见的倍数表达法：A+be+倍数+as+形容词/副词原级+as+BA+be+倍数+形容词/副词比较级+than+BA+be+倍数+the+名词(size/weight/length)+of+BA+倍数+what从句倍数的一种表示法egWhenyoustudythelocalmap,youwillfindthistownisthreetimesasbigasthatone.=Whenyoustudythelocalmap,youwillfindthistownisthreetimesbiggerthanthatone.=Whenyoustudythelocalmap,youwillfindthistownisthreetimesthesizeofthatone.【语境应用】单项选择。1)Peter’sjacketlookedjustthesameasJack’s,butitcost______his.A.asmuchtwiceasB.twiceasmuchasC.muchastwiceasD.astwicemuchas2)Tenyearsagothepopulationofourvillagewas______thatoftheirs.

A.astwicelargeasB.twiceaslargeasC.twiceasmuchasD.astwicemuchasBBamountv.iffigures,sumsetcamounttoaparticulartotal,theyequalthattotalwhentheyareaddedtogether

总计，共达

(常与介词to搭配)egTimelostthroughillnessamountedto1,357workingdays.因疾病而损失的时间总计为1357个工作日。amountn.

aquantityofsomethingsuchastime,money,orasubstance数量，数额egTheyspendequalamountsoftimeinCaliforniaandNewYork.他们在加利福尼亚和纽约呆同样长的时间。amountalarge/considerate/enormous/huge/...amountof

大量的，许多(修饰不可数名词，谓语动词常用单数形式)amountsof

大量的，许多(修饰不可数名词，谓语动词常用复数形式)表示“许多，大量”可数不可数agreat/goodmany,agreat/large/goodnumberof,(quite)afew等。(quite)alittle,agreatdealof,alargeamountof,largeamountsof等。plentyof,alotof,lotsof,amassof,massesof等,这时谓语动词的单复数形式取决于它们后面所接名词的形式。可数名词复数/不可数名词【语境应用】单句语法填空。1)Alargeamountofdamage___________(do)inaveryshorttime.2)Largeamountsofmoney___________(spend)onthefreewayeveryyear.3)There_______(be)ahugeamountofinformationontheInternet.wasdonearespentis写准核心单词。4)Today$8or$10seemsasmall________(数量)ofmoney,butatthattimetheseamountswereforbiddingtomostcitizens.amount3.Tomakesureyourapplianceisinfactoff,removetheplugfromitspowersupply.

removev.

①totakesomethingawayfrom,outof,orofftheplacewhereitis移走;

搬走;去掉

egRemovetheoldwallpaperandfillanyholesinthewalls.

②togetridofsomethingsothatitdoesnotexistanylonger清除，除去egThistreatment

removesthemoststubbornstains.③dismissfromajoboroffice

免职，解雇egCongresscouldremovethePresidentfromoffice.④totakeoffapieceofclothing摘掉;脱掉egHeremovedhishatandgloves.【归纳】

remove...from…

把……从……移开removesb.

fromschool

开除;勒令某人退学removeone’sdoubt/

trouble

消除某人的疑虑/烦恼【语境应用】写出下列句中remove的含义。1)Ifanesthasfoureggsandyouremoveone,thebirdwillnotnotice.2)Heremovedhisjacketwhenhearrivedhome.3)Hewasseverelycriticizedandremovedfromhispost.

4)Theagreementremovesthelastseriousobstacletothesigningofthetreaty.

5)Threechildrenwereremovedfromtheschoolforbadbehaviors.消除拿走撤职脱掉开除

move,transfer,remove

这些动词均可表从一处移往另一处之意。move:普通用词,指从一处到另一处转移。transfer:一般表示转送/移交或迁移,尤指交通运输中的换乘或职务的调动等。remove:移动,与move可换用,还可指撤职或开除学籍等。4.Insomecases,localproducemighthaveusedmoreenergyandproducedmoregreenhousegasesthanproducegrownalongwayaway—eventakingintoaccountitstransport.producev.tomakethingstobesold,especiallyinlargequantities生产；制造togrowormakesomethingaspartofanaturalprocess;tohaveababyoryounganimal

生长；出产egTheirfactoryproduces500bikesaday.Thetreeproducesmuchfruiteachyear.produceu.n.thingsthathavebeenmadeorgrown,especiallythingsconnectedwithfarming农产品egTheyprovideuswithfreshproduceeveryday.

produce,product与productionproduceu.n.农产品productc.n.

产品，制品productionu.n.生产行为，产量【语境应用】

用produce,product,production的适当形式填空。1)Wemust________morefoodforourselvesandimportless.2)Farmersbroughttheir________totownearlyeachSaturdaymorning.3)Theriverhasbeenpollutedbywaste________fromthefactory.4)Wewillencouragethe___________ofexcellentculturalworks.produceproduce

productsproductiontake…intoaccount:

toco