課件英語必修二Uni6Developingideas

Unit6EarthFirstDEVELOPINGIDEASBYMICHELLEWatchandthinkWhatistheclipmainlyabout?Inyouropinion,whichlinesimpressyoumost?WarmingupWhenIthrive,youthrive.WhenIfalter,youfalter,orworse.Howyouchoosetoliveeachday,whetheryouregardordisregardme,doesn’treallymattertome.Youractionswilldetermineyourfate,notmine.Iamnature.Iwillgoon.Iampreparedtoevolve.Areyou?What’sreallygreen?LeadinLookatthequestionsabout“greenliving”andtickyouranswers.1.Whichshoppingbagismoreenvironmentallyfriendly?Aplasticbag.

Apaperbag.

Neitherofthese.LeadinLookatthequestionsabout“greenliving”andtickyouranswers.2.Whatshouldyoudotosaveenergywhenleavingyourhome?TurnoffadeviceUnplugadeviceNeitherofthese.LeadinLookatthequestionsabout“greenliving”andtickyouranswers.3.Whatfoodisbetterfortheenvironment?Foodproducedneartowhereyoulive.Foodproducedfarfromwhereyoulive.Itdepends.LeadinLookatthequestionsabout“greenliving”andtickyouranswers.4.Whichuseslesswater?Takingabath.Takingashower.Itdepends.Nowworkingroupsandseeifotherpeopleshareyourideas.Pre-readingReadthefoursubheadingsinthepassageanddecideiftheyaretrueorfalse.Thenreadthepassageandcheckyouranswers.

Papershoppingbagsarebetterthanplasticones.

Whenyouturnoffadevice,itstopsusingpower.

Eatinglocalfoodisgoodfortheenvironment.It'sbettertotakeashowerthanabath.While-readingThemajorityofustakestepstosaveenergyandreducewasteandpollution.Butrecently,some“greentruths”havebeenshowntobeonlyhalftrue,orevencompletelyfalse.Whydopeoplethinkplasticbagsarebadfortheenvironment?Whyarepaperbagsnotgoodfortheenvironment?Whatkindofbagisabetterchoice?Papershoppingbagsarebetterthanplasticones.Becauseplasticbagscauselitter&areadangertowildanimals,whichmistakethemforfood.Andittakeshundredsofyearsforplastictobreakdown.Makingapaperbagusesfourtimesasmuchenergyasmakingaplasticbaganduptothreetimestheamountofwater.What`smore,theprocessalsoproducesmoregreenhousegases.Areusablebagisabetterchoice.×Whatelsecanbereusedinourdailylife?shoppingbagthermoscoffeecupmealboxWhenyouturnoffadevice,itstopsusingpower.Whydoesthedevicestillusepowerwhenit’sturnedoff?Whyistheword“off”putintoaquotationmark?Becauseelectricitycontinuestoleakfromthedeviceevenwhenitisturned“off”.Becausetheapplianceisnotreallyoff,anditgoesintostand-bymodeandstillusespower.×Whatcanyoulearnfromthis“greentruth”?Whatelsecanwedotosaveenergy(electricityorwater)?Weneedtoremoveourcellphonechargerfromthepowersupply,andalsounplugotherhouseholdappliances,forexample,washingmachine,television,readinglampandsoon.Eatinglocalfoodisgoodfortheenvironment.Whydopeoplethinkeatinglocalfoodisbetterfortheenvironment?Whyiseatinglocalfoodnotalwaysbetterfortheenvironment?Theproductionoffoodusesmostoftheenergyandproducesmostofthegreenhousegases.Itseemslikecommonsense:Becauseitdoesnotneedtobetransportedlongdistancesandkeptcoldduringtransport.×It’sbettertotakeashowerthanabath.Whyisitnotalwaysbettertotakeashowerthanabath?Itdependsonhowlongyouspendintheshowerandhowlargeyourbathis.Ifyouspendmorethaneightminutesonshower,youwilluseasmuchwaterasinabath---about50litresofwater.Therefore,thekeyistokeepyourshowertimeasshortaspossible.×Readtheeffectsandcompletethecausesoftheseaccordingtothepassage.1

Makingapaperbagusesmoreenergyandwaterthanmakingaplasticbag.Italsoproducesmoregreenhousegases.Paperbagsarenotgoodfortheenvironment.234Turningoffadevicewon’tstopitfromusingpower.Eatinglocalfoodisn’talwaysbetterfortheenvironment.It’snotalwaysbettertotakeashowerthanabath.Devicesturnedoffgointostand-bymodeandstillusepower.Localproducesometimesmightusemoreenergyandproducemoregreenhousegasesthanproducegrownalongwayaway—eventakingintoaccountitstransport.Ifyouspendmorethaneightminutesinashower，you’lluseasmuchwaterasinabath—about50litresofwater.Howmuchdoyouknowaboutagreenlifestyle,afterreaingthetext?Takeareusablebagwithyouwhenyougoshopping.Tomakesuretheapplianceisinfactoff,removetheplugfromitspowersupply.Eatinglocalfoodisn'talwaysbetterfor

theenvironment.Keepyourshowertimeasshortaspossible.Post-readingWhichofthe“greentruths”surprisesyoumost?Giveyourreasons.Whenyouturnoffadevice，itstopsusingpower.UsuallyIjustturnoffmytelevisionbeforegoingout，thinkingitisasafeandgreenway.Idon’tknowit’sstillawasteofenergy.Post-readingAreyouawareofanyother“greentruths”thatarenottrue?Sharethemwiththeclass.Bike-sharingisagreenmethodoftransportationandprovidesauser-friendlyexperience.However，itcausestheenergytobewastedifthebikesarethrownawaybytheroadside.Post-readingHow“green”areyou?Shareyour“greenactions”withtheclass.refusetobuyover-packagedproductsdonateclothestoothersPost-readingWhatcanyoudotobecome“greener”?UsereusablebagsReuseitemsSpendlesstimeonelectronicsCarryareusablewaterbottleEveryonecan'tdoeverything,buteveryonecandosomething.Post-readingWorkingroups.Giveatalkaboutoneofthe“greentruths”inthepassage.1

Usethesequestionstohelpplanyourtalk.·Which“greentruth”areyougoingtotalkabout?·Whydopeoplebelieveitis“green”?·Whyisitnotcompletelytrue?·Whatcanyoudotobecome“greener”?2

Organiseyourtalkfollowingthestepsbelow.·Startyourtalkbystatingthetopic.·Describeyourchosen“greentruth”inmoredetail.·Explainwhyitisnotcompletely“green”.·Endyourtalkbyencouragingyouraudiencetobecome“greener”.3

Giveyourtalktotheclass.Post-readingWorkingroups.Giveatalkaboutoneofthe“greentruths”inthepassage.I’mgoingtotalkaboutoneofthe“greentruths”—Papershoppingbagsarebetterthanplasticones.Asweallknow，plasticbagscauselitterandareadangertowildanimals，whichmistakethemforfood.Ittakeshundredsofyearsforplastictobreakdown，butmuchlesstimeforpaper.Becauseofthis，wethinkpaperbagsarethebetterenvironmentalchoice.However，makingapaperbagusesfourtimesasmuchenergyasmakingaplasticbaganduptothreetimestheamountofwater.Theprocessalsoproducesmoregreenhousegases.Infact，bothkindsofbagsarebadfortheenvironment.So，whynottakeareusablebagtobecome“greener”whengoingshopping?LanguagepointsMostofusareawarethatwemusttakecareoftheenvironment，andthemajorityofustakestepstosaveenergyandreducewasteandpollution.我們大多數人都知道，我們必須保護環(huán)境，我們大多數人都采取措施，以節(jié)省能源，減少浪費和污染。majoradj.&n.較大的；主要的；主修，專攻a/themajorityof...……大多數inthemajority占大多數

?單句語法填空①Allbutoneofthedeathsandthemajorityofthoseinfected_________(be)inGermany.②Amongthemembersofthecommitteethosewhofavourthechangesare___________themajority.havebeeninLanguagepointsMostofusareawarethatwemusttakecareoftheenvironment，andthemajorityofustakestepstosaveenergyandreducewasteandpollution.我們大多數人都知道，我們必須保護環(huán)境，大多數人都采取措施，以節(jié)省能源，減少浪費和污染。takemeasures/steps/actiontodosth采取措施做某事

stepbystep逐漸地，一步一步地?單句語法填空①Wemusttake________(step)tohelpthefamiliesofthosewhowerehurt.②Ourlisteningabilityneedsimprovingstep_____step.?一句多譯③是時候我們應該采取措施阻止空氣被污染了。It’shightimethatwe____________________tokeeptheairfrombeingpolluted.→It’shightimethatwe________________topreventtheairfrombeingpolluted.→It’stimeforusto________________tostoptheairfrombeingpolluted.stepsbyshouldtakemeasurestookactiontakestepsLanguagepointsHowever，makingapaperbagusesfourtimesasmuchenergyasmakingaplasticbaganduptothreetimestheamountofwater.然而，制造一個紙袋所需的能量是制造一個塑料袋的四倍，所消耗的水量是一個塑料袋的三倍還多。alarge/vastamountof大量的amountsof大量的theamountof...……的數量注意：(1)alarge/small/hugeamountof＋不可數名詞(作主語時，謂語用單數形式)(2)large/vastamountsof＋不可數名詞(作主語，謂語用復數形式)?單句語法填空①Becauseof____________largeamountofmailwereceive，wemaynotbeabletoreplytoyourletter.②Alargeamountofmoney________________onthebridgesincelastyear.③Theamountoftrainingyouneed____________(depend)verymuchonyourgoals.ahasbeenspentdependsLanguagepointsHowever，makingapaperbagusesfourtimesasmuchenergyasmakingaplasticbaganduptothreetimestheamountofwater.然而，制造一個紙袋所需的能量是制造一個塑料袋的四倍，所消耗的水量是一個塑料袋的三倍還多?！痉治觥?/p>

fourtimesas...as...為倍數表達方式；threetimes＋theamountof也是倍數表達方式。【拓展】

(1)...times＋形容詞/副詞的比較級＋than...(2)...times＋as＋形容詞/副詞的原級＋as...(3)...times＋the＋名詞(如：size，height，weight，length，width等)＋of...(4)...times＋more＋名詞＋than...(5)...times＋asmany(或much)＋名詞＋as...”Languagepoints補全句子①ButwhenItriedtostepforward，IfoundIwascarried________________ontheearthandfellover.但當我試著向前邁步的時候，我發(fā)覺我被送出去很遠，步子的跨度竟是在地球上的兩倍遠，因而我摔倒了。②Thisdictionaryis_______________________theoneyouborrowedfromthelibrary.這本詞典的厚度是你從圖書館借的那本(厚度)的5倍。③We’veproduced_________________________________(wedid)tenyearsago.今年我們生產的棉花比十年前多了一倍。twiceasfarasfivetimesasthickastwiceasmuchcottonthisyearasLanguagepointsTomakesureyourapplianceisinfactoff，removetheplugfromitspowersupply.為了確保你的電器實際上是關閉的，從電源上拔下插頭。remove...from...把……從……移開/撤掉

removeone’sdoubt消除某人的疑慮?單句語法填空①Ofthethreecolumnsconcerninghealth，entertainmentandculture，mysuggestionisthatthecolumnofentertainment____________(remove).②Thecompanyhasremovedthemanager_______hispostduetohispoorperformance.?補全句子③Realizinghermommustbeverytiredafteraday’swork，thelittlegirlhelpsherto_______________________________.意識到媽媽工作一天后肯定很累，小女孩幫助媽媽把包從肩上拿下來。beremovedfromremovethebagfromhershoulderLanguagepointsIturgespeopletosavefoodbynotwastinganythingonthediningtable.它敦促人們不要浪費餐桌上的任何東西來節(jié)省食物。urgentadj.緊急的

urgencyn.緊迫；急迫；急事urgesbtodo/intodoingsth敦促某人做某事urgethat...(should)dosth極力主張；強調做某事Itisurgedthat...(should)dosth堅決要求做某事?單句語法填空①Ourteacherurgesus____________(study)hardwiththeCollegeEntranceExaminationdrawingnear.②Thereisnosenseof____________(urge)todomyschoolworkimmediately.③Thereporturgedthatallchildren________________(teach)toswim.tostudyurgencybetaughtLanguagepointsWeareconcernedthat...我們擔心……concernv.涉及，與……有關；

使擔心，使擔憂

n.擔心，憂慮，焦慮asfaras...beconcerned就……而言beconcernedwith...與……有關，涉及……beconcernedabout/for為……擔心

?單句語法填空/補全句子①Themeetingwasconcerned______reformsandeveryonepresentwasconcerned___________theirowninterests.②________________________，youcanforgetaboutit.依我看，你可以把這事忘了。withfor/aboutAsfarasI’mconcernedLanguagepointsLookatthethreeitemsthatcontributetoacarbonfootprint.Addanymoreyoucanthinkof.

看看有助于碳足跡的三個項目，再加上你能想到的東西。contributionn.捐獻；貢獻；稿件(1)contributesthto...把某物捐獻給……contributeto有助于；導致；投稿(2)makeacontribution/contributionsto對……做出貢獻?單句語法填空①LocatedwheretheBeltmeetstheRoad，Jiangsuwillcontributemore____theBeltandRoadconstruction.②Eatingtoomuchfat____________(contribute)toheartdiseaseandcauseshighbloodpressure.③Your____________(contribute)willcertainlymaketheeventahugesuccess.④Inconclusion，everyoneshouldmakecontributionsto____________(protect)theenvironment.?同義句轉換⑤Hemadesuchagreatcontributiontotheuniversitythatthenewlibrarywasnamedafterhim.→He________________theuniversitysothenewlibrarywasnamedafterhim.tocontributescontributionprotectingcontributedtoLanguagepointsTheaveragescoreofourgroupis...我們組的平均分數是……the/anaverageof...……的平均數above/below(the)average在一般水準以上/下on(the/an)average按平均數計算upto(the)average達到水準

?補全句子①__________________________areabsenteachday.平均每天有10個學生缺席。②Theamountofsnowthisyearhasbeen________________.今年的降雪量低于平均水平。Anaverageof10studentsbelowaverageLanguagepointsinsomecases在某些情況下(1)inthatcase既然那樣，如果那樣的話

insomecases在某些情況下inanycase無論如何，不管怎樣

inmostcases在多數情況下

innocase決不(2)incase萬一；假使

incaseof萬一；如果發(fā)生；假設?用case相關短語填空①_____________(在某些情況下)noisepollutioncanactuallyhelpsomeanimalswhileharmingothers.②_____________(在大多數情況下)，thesepeoplesimplydonotenjoythejobtheyaredoing.③Meanwhile，myhorsegotfrightened，jumpedup，andranaroundwildly.Iheldtheropetightly__________(以防)Imightfalloff.④________________(無論如何都不)shouldyoulendhimanymoney.InsomecasesInmostcasesincaseInnocaseLanguagepointsInsomecases，localproducemighthaveusedmoreenergyandproducedmoregreenhousegasesthanproducegrownalongwayaway—eventakingintoaccountitstransport.在某些情況下，本地農產品可能比在很遠的地方生產的農產品消耗更多的能源，產生更多的溫室氣體——甚至要考慮到其運輸。takeintoaccount/consideration考慮，體諒takeaccountof考慮到

?一句多譯做計劃的時候，我們應該把每一件事情都考慮進去。→_____________________________________________________________________→_____________________________________________________________________→_____________________________________________________________________Weshouldtakeeverythingintoaccount/considerationwhenmakingaplan.Weshouldtakeaccountofeverythingwhenmakingaplan.Everythingshouldbetaken(take)intoaccountwhenmakingaplan.LanguagepointsInsomecases，localproducemighthaveusedmoreenergyandproducedmoregreenhousegasesthanproducegrownalongwayaway—eventakingintoaccountitstransport.在某些情況下，本地農產品可能比在很遠的地方生產的農產品消耗更多的能源，產生更多的溫室氣體——甚至要考慮到其運輸?！痉治觥?/p>

情態(tài)動詞“might＋havedone”表示對過去的推測?！就卣埂?/p>

“情態(tài)動詞＋havedone”用法歸納(1)shouldhavedone過去本應該做(而實際上未做)；(2)shouldn’thavedone過去本不該做(而實際上做了)；兩者都含有責備或后悔的口氣。(3)musthavedone(過去)一定做過(4)couldhavedone(過去)本能夠做而未做；(過去)可能做過(5)can’t/couldn’thavedone(過去)不可能做過(6)needn’thavedone(過去)本沒必要做而做了

Languagepoints單句語法填空①Hisroomwasdarklastnight.He______________________

(go)tobed.②You___________________(set)downhistelephonenumberyesterday，butyoudidn’t.③You____________________(go)withouttellingus.Wewerereallyconcernedaboutyou.④It_________________(rain)lastnight，forthegroundiswet.⑤I___________________(buy)somuchwine—onlyfivepeoplecame.might/mayhavegoneshouldhavesetshouldn’thavegonemusthaverainedneedn’thaveboughtWritingapersuasiveletterWhatis“apersuasiveletter”?persuade:tomakesomeonedecidetodosomething,especiallybygivingthemreasonswhytheyshoulddoit,oraskingthemmanytimestodoitpersuasive:abletopersuadesbtodoorbelievesthPersuasiveLetterisaletterwrittentopersuadeaudiencesorindividualtowardsacceptingthewriter'sissue,interestorperspective.Themotiveofthepersuasionletteristo‘Getyourworkdone’inlaymanterms.DearFriends，WearewritingthislettertocalloneveryonetotakepartintheClearYourPlatecampaign.Iturgespeopletosavefoodbynotwastinganythingonthediningtable.Youmaynotknowover30%oftheworld’sfoodiswasted，whilemanypeopleinpoorareasdonothaveenoughtoeat.Inordertosavefood，wepropose：1

Donotordermorethanyouneedintheschoolcanteen.2

Orderlessandtakeleftoverfoodhomewhendininginrestaurants.3

Callonfamilymembersandfriendstotakepartinthecampaign.Reducingdailyfoodwastebyjust5%couldsavemillionsofpeoplefromstarvation.Let’sstartdoingwhatwecantomaketheworldagreener，cleanerplace!Withbestwishes，Class8Readtheletterandanswerthequestions.1Whatisthepurposeoftheletter?2Whatistheexistingproblem?3WhataretheproposedactionsfromClass8?Thestructureofthepersuasiveletter.thepurposeofalettertheexistingproblem(causes-effects)theproposedactions(measures)anappealforparticipationReadforpersuasivedevices.imperativesmodalverbsusingevidenceadjectivesoradverbsinvolvingthereaderpersuasivedevicesGroupworkDiscussanotherenvironmentalissueaboutwhichtowriteapersuasiveletterandmakenotes.Problem：Cause（s）：Solution（s）：Nowwriteapersuasiveletter.Usetheexpressionsintheboxtohelpyou.Shareyourletterwiththeclass.□Usefulexpressions·Wearewritingthislettertoraiseyourawarenessof...·Weareconcernedthat...·Wewouldliketosuggest...·Wehopethatyouwillconsider...·Oneofthereasonsforthisis...·Inordertoimprovethesituation，weshould...WritingapersuasiveletterDearFriends，Wearewritingthislettertoraiseyourawarenessoftheneedtoprotectourplanet.YoucanhelpsimplybyparticipatingintheNoBottledWatercampaign.Peopletendtothinkbottledwateriscleanerandmoreconvenient.However，theymaynotknowthataccordingtoscientificresearch，millionsoftonsofplasticisusedworldwidetomakewaterbottleseachyear.Theplasticcantakehundredsofyearstobreakdown.IfyouareworriedabouttheeffectsofbottledwaterontheEarth，wewouldliketosuggestyoutakethefollowingsteps：1Carryyourwaterinasustainable，reusablebottle.Inthisway，youdon’tneedtobuybottledwater.2Ifyouhavetopurchaseaplasticbottledbeverage，recyclethebottleafteruse.3Callonyourfamilymembersandfr