Unit+6+Developing+ideas+课件【备课精研+知识精讲】 高中英语外研版（2019）必修第二册

DevelopingideasWhat’sreallygreen?Book2Unit6Earthfirstmajorityfalseamountdevicestand-bymodeelectricityleakappliancen.

多数，大多数(人或物)adj.

不正确的，错误的n.

数量，数额n.

设备，仪器，装置adj.备用的n.(机器、设备的)运行方式，状态，模式n.

电v.(使)漏，(使)渗漏n.家用电器，家用器具remove

oaccountlitrecampaignurgecanteenconcernedv.移走，搬走，去掉n.(电)插头把……考虑进去n.升，公升n.(宣传)活动v.竭力主张,强烈要求，敦促n.(工厂、学校等的)食堂，餐厅adj.焦急的，担忧的BeforereadingLookatthequestionsabout“green

living”andtickyouranswers.1Whichshoppingbagismore

environmentallyfriendly? Aplasticbag. Apaperbag. Neitherofthese.2

Whatshouldyoudotosaveenergywhenleavingyourhome? Turnoffadevice. Unplugadevice. Neitherofthese.3Whatfoodisbetterfortheenvironment?

Foodproducedneartowhere

youlive.

Foodproducedfarfromwhere

youlive.

Itdepends.4Whichuseslesswater? Takingabath. Takingashower. Itdepends.Nowworkingroupsandseeifotherpeopleshareyourideas.1.Papershoppingbagsarebetterthanplasticones.2.Whenyouturnoffadevice,itstopsusingpower.3.Eatinglocalfoodisgoodfortheenvironment.4.It'sbettertotakeashowerthanabath.Doyouthinkthefollowingstatementsaretrueorfalse?Nowlet'sreadapassagetocheckyouranswers.What’sreallygreen?WhilereadingReadandfinishthetasksasquicklyaspossible.Lookthroughthepassageandcheckyouranswers.Task11.Papershoppingbagsarebetterthanplasticones.2.Whenyouturnoffadevice,itstopsusingpower.3.Eatinglocalfoodisgoodfortheenvironment.4.It'sbettertotakeashowerthanabath.Paperbagsarenotgoodfortheenvironment.Turningoffadevicewon'tstopitfromusingpower.Eatinglocalfoodisn'talwaysbetterfortheenvironment.It’snotalwaysbettertotakeashowerthanabath.P6821.Makingapaperbagusesmoreenergy

andwaterthanmakingaplasticbag.

Italsoproducesmoregreenhousegases.Paperbagsarenotgoodforthe

environment.Turningoffadevicewon’tstop

it

fromusingpower.Eatinglocalfoodisn’talwaysbetter

fortheenvironment.It’snotalwaysbettertotakeashowerthanabath.2.Devicesturnedoffgointostand-bymodeandstillusepower.3.Localproducesometimesmightusemoreenergyandproducemoregreenhousegasesthanproducegrownalongwayaway-eventakingintoaccountitstransport.4.Ifyouspendmorethaneightminutesinashower,you'lluseasmuchwaterasinabath-about50litresofwater.Readtheeffectsandcompletethecausesoftheseaccordingtothepassage.Task2ThinkShareTask3Paperbagsarenotgoodforthe

environment.Turningoffadevicewon’tstop

it

fromusingpower.Eatinglocalfoodisn’talwaysbetter

fortheenvironment.It’snotalwaysbettertotakea

showerthanabath.P70Whichofthe“greentruth”surprisesyoumost?Giveyourreasons.Q1Areyouawareofanyother“greentruths”thatarenottrue?Sharethemwiththeclass.Q2How“green”areyou?Shareyour“greenactions”withtheclass.Q3Carpoolingisnotasgreenasitisclaimedtobe.Inmostcases,thisisworsethantakingprivatecarsbecausetheyhavetorushbackandforthbetweencarpoolers,whichactuallyincreasethemileage.Afterreadinganalyzing,retellingandsummaryIntroductionBodyConclusionGreentruth1Greentruth2Greentruth3Greentruth4Retellthepassagebasedonfoursubheadingsandsomekeywords.Greentruth1timetobreakdown;usagesofenergyandwater;

producegreenhousegasesPapershoppingbagsarebetterthanplasticones.Greentruth2stand-bymode;electricitycontinuestoleak;removetheplugWhenyouturnoffadevice,itstopsusingpower.Greentruth3transportedlongdistances;keptcold;productionofthefood;energyandgreenhousegasesEatinglocalfoodisgoodfortheenvironment.Greentruth4showertime;bathsize;eightminutes;50litresIt'sbettertotakeashowerthanabath.Insomecases,localproducemighthaveusedmoreenergyandproducedmoregreenhousegasesthanproducegrownalongwayaway-eventakingintoaccountitstransport.V-ed作后置定语=thatisgrownalongwayaway

非谓语作让步状语将……考虑在内ParaphraseSometimes,evenwhenweconsiderfoodtransport,localfoodmighthaveusedmoreenergyandproducedmoregreenhousegasesthanfoodthatisgrownalongwayaway.在有些情况下，即使将运输的因素考虑在内，本地的农产品也可能比距离遥远的外地种植的农产品耗能更多，产生的温室气体也更多。Workingroups.Giveatalkaboutoneofthe“greentruths”inthepassage.Usethesequestionstohelpplanyourtalk.●Which“greentruth”areyougoingtotalkabout?●Whydopeoplebelieveitis“green”?●Whyisitnotcompletelytrue?●Whatcanyoudotobecome“greener”?2Organiseyourtalkfollowingthestepsbelow.●Startyourtalkbystatingthetopic.●Describeyourchosen“greentruth”inmoredetail.●Explainwhyitisnotcompletely“green”.●Endyourtalkbyencouragingyouraudiencetobecome“greener”.Whatcanyoudotobecome“greener”?＊SaveElectricity.

Unplugdevicesthatareinstandbymode!＊Bringyourownlunch.Reusablecontainersmakeiteasytoreducetrashoutput.＊Recycle/Reuse

Your

Books.You’llbegivingsomeoneelsethechancetolearnwithoutusingmoreresources,orsavingresources.It’sawin-win.＊…

ChangingYourPersonalHabitsCarryareusablewaterbottlesoyouwillnotneedbottledwater.Usereusablebagswhileyou’reshopping.Reuseitemstosavethemfromthelandfill.Reducetheamountoftimeyouspendusingelectronics(电子产品).Buysecond-handproductsorborrowitemsinsteadofbuyingthemnew.turnlightsoffwhentheyaren’tin