PAGEUnit6EarthfirstPeriod4Developingideas學案設計學習目標1.Toknowthefeaturesofnewspapereditorials(報刊社論).2.Toexpressstudentsopinionsabouthowtobecomegreener.3.Toraisestudentsawarenessoflivingagreenlife.課堂探究Step1:Lead-inLookatthequestionsabout“greenliving”andtickyouranswers.1.Whichshoppingbagismoreenvironmentallyfriendly?A.Aplasticbag.B.Apaperbag.C.Neitherofthese.2.Whatshouldyoudotosaveenergywhenleavingyourhome?A.Turnoffadevice.B.Unplugadevice.C.Neitherofthese.3.Whatfoodisbetterfortheenvironment?A.Foodproducedneartowhereyoulive.B.Foodproducedfarfromwhereyoulive.C.Itdepends.4.Whichuseslesswater?A.Takingabath.B.Takingashower.C.Itdepends.Step2:ReadformaininformationReadthefoursubheadingsinthepassageanddecideiftheyaretrueorfalse.Subheading1:Papershoppingbagsarebetterthanplasticones.()Subheading2:Whenyouturnoffadevice,itstopsusingpower.()Subheading3:Eatinglocalfoodisgoodfortheenvironment.()Subheading4:Itsbettertotakeashowerthanabath.()Step3:ReadfordetailedinformationReadparagraphbyparagraph,finishtherelevanttasks.Task1:ReadthepassageagainandfinishthefollowingtableTruthsSuggestions1.Makingapaperbagusesmoreenergyandwaterthanmakingaplasticbag.Italsoproducesmoregreenhousegases.Takeareusablebagwithyouwhenyougoshopping.2.3.Nosuggestion4.Task2:Summarizethepassageandpayattentiontothesentencesof“reallygreenliving”Mostofusare1(awareness)thatwemusttakecareoftheenvironment,andthemajorityofustakesteps2(save)energyandreducewasteandpollution.Butinfact,somelong-heldcommonsenseturnsoutonlyhalftrue,oreven3(complete)false.Forexample,peoplethinkpaperbagsare4(good)thanplasticbagsastheyareeasiertobreakdownthantheplastic5(one).Theprocessofmakingpaperbags,6,ismoreenergyconsumingandwaterwasting.So,takeareusablebagwithyouwhenshopping.Besides,removetheplugfromitspowersupply,7thestand-bymodestillusepower.Eatinglocalfoodisntnecessarilygoodfortheenvironment,eventakingtransportation8account.Sometakeitforgranted9ashowerconsumeslesswaterthanabath.Butthatdepends10howlongyouspendinashower.Thebestpolicyistokeepyourshowerasshortaspossible.

11(environment)awarenessisnowpartofdailylife.Butitsworth12(check)commonideasandopinionstoseewhatsreallygreen.

Step4:Dealwiththedifficultpoints(1)Mostofusareawarethatwemusttakecareoftheenvironment,andthemajorityofustakestepstosaveenergyandreducewasteandpollution.【翻譯】

【學問鏈接】beawarethat...+句子;beawareof+名詞/代詞意識到……n.awareness意識,相識提高某人的意識themajorityofpeople大多數人

majorintakestepstodo實行措施做……

【實戰演練】大多數人已經意識到環境愛護的重要性。首先,我們應當提高人們愛護環境的意識。更重要的是,我們應當實行措施來解決環境污染問題。

(2)Plasticbagscauselitterandareadangertowildanimals,whichmistakethemforfood.【翻譯】

【學問鏈接】mistakeAforB把A誤認為Bbymistake錯誤地;由于疏忽【實戰演練】他由于疏忽,錯把珠寶當作了垃圾。

(3)Ittakeshundredsofyearsforplastictobreakdown,butmuchlesstimeforpaper.【翻譯】

【學問鏈接】breakdown分解;(和談)失敗;(身體等)垮了。其他相關短語:(火災,斗爭)爆發

闖入關系裂開

(4)However,makingapaperbagusesfourtimesasmuchenergyasmakingaplasticbaganduptothreetimestheamountofwater.【翻譯】

【學問鏈接】倍數表達:倍數+asmuch(不行數名詞)/many(可數名詞)+as;upto:多達;Itsuptoyou.;Whatareyouupto?;amount還可作v.,amountto總計;共達

【實戰演練】完成這個項目用了那個項目2倍多的時間。其費用共達200萬。

(5)So,takeareusablebagwithyouwhenyougoshopping.【翻譯】

(6)Tomakesureyourapplianceisinfactoff,removetheplugfromitspowersupply.【翻譯】

【學問鏈接】remove...from...將……從……移開;removegloves摘下手套;removeproblems解決問題【實戰演練】他被撤去主席的職務。

(7)Itseemslikecommonsense:eatinglocalfoodshouldbebetterfortheenvironment,becauseitdoesnotneedtobetransportedlongdistancesandkeptcoldduringtransport.【翻譯】

【學問鏈接】commonsense常識其他相關短語:方向感;有意義;弄明白

(8)Itistheproductionoffood,notitstransport,thatusesmostoftheenergyandproducesmostofthegreenhousegases.【翻譯】

【學問鏈接】強調句構成:Itis(was)+被強調部分+that(強調人可以用who)+句子其他【實戰演練】正是塑料袋帶來了白色污染。

(9)Insomecases,localproducemighthaveusedmoreenergyandproducedmoregreenhousegasesthanproducegrownalongwayaway—eventakingintoaccountitstransport.【翻譯】

【學問鏈接】a.may/mighthavedone表示對過去狀況的推想,用在確定句或否定句中,might的語氣比may更不愿定,更弱。Hemay/mighthaveleftwhenyougotthere.b.grownalongwayaway在句中是過去分詞短語作后置定語,此句可以改寫成定語從句:

oaccount=takeaccountof...考慮到……,把……考慮在內oconsideration考慮到……,把……考慮在內takingintoaccount...為現在分詞的獨立主格形式,也稱為懸垂分詞,不受句子主語的限制,類似的結構還有:generallyspeaking,strictlyspeaking,talkingof...,speakingof...,judgingfrom/by...,takingallthingsintoaccount,considering...【實戰演練】考慮到他的年齡,我們不該對他要求太多。

(10)Itdependsonhowlongyouspendintheshowerandhowlargeyourbathis.【翻譯】

【學問鏈接】a.dependon=relyon依靠,依靠,取決于……b.dependon的運用:dependonsb./sth.dependonsb.todosth.dependon+賓語從句dependonitthat...Italldepends.視狀況而定。【實戰演練】你的成果取決于你對學習的看法。

(11)Butitsworthcheckingcommonideasandopinionstoseewhatsreallygreen.【翻譯】

【學問鏈接】beworthdoing...(doing是以主動的形式表達被動的含義)值得做……【實戰演練】這本書值得再讀。

Step5:Think&Share1.How“green”areyou?Shareyour“greenactions”withtheclass.2.Whatcanyoudotobecome“greener”?Letsgogreen1.Reusingitemssavesenergy,preventspollutionand(削減垃圾數量)thatyoucreate.

2.Buyingproductslike(二手家具和書籍)helpsyousavemoneyaswellasspace.

3.Trytobuyitemsthatarereusable,suchasrechargeablebatteriesand(可重復利用的購物袋).

4.Ifsomethingbreaksorstopsworking,getitfixedinsteadofthrowingitaway.Betterstill,(學著自己修).

5.Dontbuythingsthatyouonlyneedoccasionally,suchastools,sportsequipmentorvehicles—(借或者租)instead.

6.Whenyounolongerneedsomething,thinkabout(捐給慈善機構)orsellingitsothatsomeoneelsecanuseit.

7.(吃剩的食物)caneasilybemadeintoasoup.

8.(運用你的想象力)andmakeoldmagazinesandnewspapersintoartorgreetingcards.

9.Plasticbottles(可以被改造成)plantpots,whileglassjarscanbeusedasvases.

10.(完好無損的衣服)canbegiventocharitytobereused.

課后練習Writeashortparagraphabout“Whatcanwedotobecomegreener”(within80words).參考答案課堂探究Step1:Yourownanswer.Step2:Subheading1:F;Subheading2:F;Subheading3:Itdepends;Subheading4:ItdependsStep3:Truth2:Whenyouturnoffadevice,itgoesintostand-bymodeandstillusespower.Suggestions:Tomakesureyourapplianceisinfactoff,removetheplugfromitspowersupply.Truth3:Insomecases,localproducesometimesmightusemoreenergyandproducemoregreenhousegasesthanproducegrownalongwayaway...Truth4:Itdependsonhowlongyouspendintheshowerandhowlargeyourbathis.Suggestion:Thekeyistokeepyourshowertimeasshortaspossible.Task2:1.aware2.tosave3o9.that10.on11.Environmental12.checkingStep4:(1)【翻譯】我們大多數人都意識到我們必需愛惜環境,且多數人實行措施節約能源,削減奢侈及污染。【學問鏈接】raisesb.sawareness;主修【實戰演練】Themajorityofpeoplehavebeenawareoftheimportanceofenvironmentalprotection.First,weshouldraisepeoplesawarenessofprotectingtheenvironment.Moreimportantly,weshouldtakestepstodealwiththeproblemofenvironmentalpollution.(2)【翻譯】塑料袋會產生垃圾,同時對野生動物來說是一種威逼,它們會把塑料袋誤當作食物。【實戰演練】Hemistooktreasureforrubbishbymistake.(3)【翻譯】塑料分解須要幾百年的時間,但紙張分解的時間要短得多。【學問鏈接】breakout;breakinto;breakup(4)【翻譯】然而,制造一個紙袋所消耗的能源是制造一個塑料袋的四倍,用水量多達制造塑料袋的三倍。【學問鏈接】由你確定;你在忙什么?【實戰演練】Finishingthisprojectusedtwiceasmuchtimeasthatone.Itscostamountedto2million.(5)【翻譯】所以,購物時隨身攜帶一個可以重復運用的袋子。(6)【翻譯】要確保您的設備事實上已關閉,拔掉電源插頭。【實戰演練】Hewasremovedfromthepositionasachairman.(7)【翻譯】這好像是常識:吃當地食物應當對環境更好,因為它不須要長途運輸,并且在運輸過程中保持低溫。【學問鏈接】asenseofdirection;makesense;makes