2024-2025學(xué)年新教材高中英語(yǔ)Unit6EarthfirstPeriod4學(xué)案含解析外研版必修第二冊(cè)

PAGEUnit6EarthfirstPeriod4Developingideas學(xué)案設(shè)計(jì)學(xué)習(xí)目標(biāo)1.Toknowthefeaturesofnewspapereditorials(報(bào)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(xué)問鏈接】beawarethat...+句子;beawareof+名詞/代詞意識(shí)到……n.awareness意識(shí),相識(shí)提高某人的意識(shí)themajorityofpeople大多數(shù)人

majorintakestepstodo實(shí)行措施做……

【實(shí)戰(zhàn)演練】大多數(shù)人已經(jīng)意識(shí)到環(huán)境愛護(hù)的重要性。首先,我們應(yīng)當(dāng)提高人們愛護(hù)環(huán)境的意識(shí)。更重要的是,我們應(yīng)當(dāng)實(shí)行措施來解決環(huán)境污染問題。

(2)Plasticbagscauselitterandareadangertowildanimals,whichmistakethemforfood.【翻譯】

【學(xué)問鏈接】mistakeAforB把A誤認(rèn)為Bbymistake錯(cuò)誤地;由于疏忽【實(shí)戰(zhàn)演練】他由于疏忽,錯(cuò)把珠寶當(dāng)作了垃圾。

(3)Ittakeshundredsofyearsforplastictobreakdown,butmuchlesstimeforpaper.【翻譯】

【學(xué)問鏈接】breakdown分解;(和談)失敗;(身體等)垮了。其他相關(guān)短語(yǔ):(火災(zāi),斗爭(zhēng))爆發(fā)

闖入關(guān)系裂開

(4)However,makingapaperbagusesfourtimesasmuchenergyasmakingaplasticbaganduptothreetimestheamountofwater.【翻譯】

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

【實(shí)戰(zhàn)演練】完成這個(gè)項(xiàng)目用了那個(gè)項(xiàng)目2倍多的時(shí)間。其費(fèi)用共達(dá)200萬。

(5)So,takeareusablebagwithyouwhenyougoshopping.【翻譯】

(6)Tomakesureyourapplianceisinfactoff,removetheplugfromitspowersupply.【翻譯】

【學(xué)問鏈接】remove...from...將……從……移開;removegloves摘下手套;removeproblems解決問題【實(shí)戰(zhàn)演練】他被撤去主席的職務(wù)。

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

【學(xué)問鏈接】commonsense常識(shí)其他相關(guān)短語(yǔ):方向感;有意義;弄明白

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

【學(xué)問鏈接】強(qiáng)調(diào)句構(gòu)成:Itis(was)+被強(qiáng)調(diào)部分+that(強(qiáng)調(diào)人可以用who)+句子其他【實(shí)戰(zhàn)演練】正是塑料袋帶來了白色污染。

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

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

oaccount=takeaccountof...考慮到……,把……考慮在內(nèi)oconsideration考慮到……,把……考慮在內(nèi)takingintoaccount...為現(xiàn)在分詞的獨(dú)立主格形式,也稱為懸垂分詞,不受句子主語(yǔ)的限制,類似的結(jié)構(gòu)還有:generallyspeaking,strictlyspeaking,talkingof...,speakingof...,judgingfrom/by...,takingallthingsintoaccount,considering...【實(shí)戰(zhàn)演練】考慮到他的年齡,我們不該對(duì)他要求太多。

(10)Itdependsonhowlongyouspendintheshowerandhowlargeyourbathis.【翻譯】

【學(xué)問鏈接】a.dependon=relyon依靠,依靠,取決于……b.dependon的運(yùn)用:dependonsb./sth.dependonsb.todosth.dependon+賓語(yǔ)從句dependonitthat...Italldepends.視狀況而定。【實(shí)戰(zhàn)演練】你的成果取決于你對(duì)學(xué)習(xí)的看法。

(11)Butitsworthcheckingcommonideasandopinionstoseewhatsreallygreen.【翻譯】

【學(xué)問鏈接】beworthdoing...(doing是以主動(dòng)的形式表達(dá)被動(dòng)的含義)值得做……【實(shí)戰(zhàn)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(shù)量)thatyoucreate.

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

3.Trytobuyitemsthatarereusable,suchasrechargeablebatteriesand(可重復(fù)利用的購(gòu)物袋).

4.Ifsomethingbreaksorstopsworking,getitfixedinsteadofthrowingitaway.Betterstill,(學(xué)著自己修).

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

6.Whenyounolongerneedsomething,thinkabout(捐給慈善機(jī)構(gòu))orsellingitsothatsomeoneelsecanuseit.

7.(吃剩的食物)caneasilybemadeintoasoup.

8.(運(yùn)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(xí)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(shù)人都意識(shí)到我們必需愛惜環(huán)境,且多數(shù)人實(shí)行措施節(jié)約能源,削減奢侈及污染?！緦W(xué)問鏈接】raisesb.sawareness;主修【實(shí)戰(zhàn)演練】Themajorityofpeoplehavebeenawareoftheimportanceofenvironmentalprotection.First,weshouldraisepeoplesawarenessofprotectingtheenvironment.Moreimportantly,weshouldtakestepstodealwiththeproblemofenvironmentalpollution.(2)【翻譯】塑料袋會(huì)產(chǎn)生垃圾,同時(shí)對(duì)野生動(dòng)物來說是一種威逼,它們會(huì)把塑料袋誤當(dāng)作食物?！緦?shí)戰(zhàn)演練】Hemistooktreasureforrubbishbymistake.(3)【翻譯】塑料分解須要幾百年的時(shí)間,但紙張分解的時(shí)間要短得多?！緦W(xué)問鏈接】breakout;breakinto;breakup(4)【翻譯】然而,制造一個(gè)紙袋所消耗的能源是制造一個(gè)塑料袋的四倍,用水量多達(dá)制造塑料袋的三倍?！緦W(xué)問鏈接】由你確定;你在忙什么?【實(shí)戰(zhàn)演練】Finishingthisprojectusedtwiceasmuchtimeasthatone.Itscostamountedto2million.(5)【翻譯】所以,購(gòu)物時(shí)隨身攜帶一個(gè)可以重復(fù)運(yùn)用的袋子。(6)【翻譯】要確保您的設(shè)備事實(shí)上已關(guān)閉,拔掉電源插頭。【實(shí)戰(zhàn)演練】Hewasremovedfromthepositionasachairman.(7)【翻譯】這好像是常識(shí):吃當(dāng)?shù)厥澄飸?yīng)當(dāng)對(duì)環(huán)境更好,因?yàn)樗豁氁L(zhǎng)途運(yùn)輸,并且在運(yùn)輸過程中保持低溫?！緦W(xué)問鏈接】asenseofdirection;makesense;makes