Unit6EarthfirstPresentingideasandwriting導學案高一英語

課題Unit6EarthfirstPresentingideas課型新授課課時第五課時學習目標1.Tomasterbasicknowledgeofthislessonandusethemfreely.2.Todevelopstudents’analyzingabilitiesandlearntoexpressthemselves.3.Tohelpstudentslearntowriteapersuasiveletterandtalkaboutwhatcarbonfootprintisandwhatwecandotoreduceit..重點難點1.Mastersomekeywordsurge,concerned,contributephrasescallon,raiseone’sawarenessof...andsomeexpressions.2.Toimprovestudents’writingabilitiesbypractising.學法指導1.課前30分鐘自主學習，完成預習學案。找出自己的疑惑和需要討論的問題，用紅筆做好標記。2.課上25分鐘高效討論展示答案3.課上1015分鐘答疑解惑。4.課后20分鐘鞏固學習自主學習1.單詞漢譯英：(1)v.強烈要求；敦促(2)n.食堂；餐廳(3)adj.平均(數(shù))的(4)v.促成；造成(5)adj.焦急的，擔憂的(6)n.(宣傳)活動(7)n.饑餓，餓死(8)adj.日常的(9)n....的剩余物/殘留物(10)n.假定；假設2.短語英譯漢：(1)carryout(2)eupwith(3)threetimesaweek(4)raiseone’sawarenessof(5)makeuseof(6)contributeto(7)callon(8)urgesb.todosth.(9)takepartin...(10)inorderto...3.單詞拼寫(1)Shestartedac(活動)againstdrugs.(2)Heworksasacookattheschoolc(食堂).(3)Theminehadanaccidentratetriplethenationala(平均).(4)Soaringlandpricesc(促進)tothehighcostofhousing.(5)We’redeeplyc(焦急的)abouttheinfluencesofclimatechange.課堂探究WritingapersuasiveletterStep11Readtheletterandanswerthequestions.1)Whatisthepurposeoftheletter?2)Whatistheexistingproblem?1Lookatthequestionsabout“greenliving”andtickyouranswers.1Lookatthequestionsabout“greenliving”andtickyouranswers.1.Whichshoppingbagismoreenvironmentallyfriendly?aAplasticbag. bApaperbag. cNeitherofthese.2.Whatshouldyoudotosaveenergywhenleavingyourhome?aTurnoffadevice. bUnplugadevice. cNeitherofthese.3.Whatfoodisbetterfortheenvironment?aFoodproducedneartowhereyoulive. bFoodproducedfarfromwhereyoulive cItdepends.4.Whichuseslesswater?aTakingabath. bTakingashower. cItdepends.3)WhataretheproposedactionsfromClass8?2Workingroups.Discussanotherenvironmentalissueaboutwhichtowriteapersuasiveletterandmakenotes.Problem:Problem:Cause(s):Solution(s):Nowwriteapersuasiveletter.Usetheexpressionsintheboxtohelpyou.Wearewritingthislettertoraiseyourawarenessof...Wearewritingthislettertoraiseyourawarenessof...Weareconcernedthat...Wewouldliketosuggest...Wehopethatyouwillconsider...Oneofthereasonsforthisis...Inordertoimprovethesituation,weshould...Let’swatchavideoandhaveadeepunderstandingofseriousplasticpollution.Step2Presentingideas1Workingroups.Lookatthethreeitemsthatcontributetoacarbonfootprint.Addanymoreyoucanthinkof.Watchavideotohelpyouhaveabetterunderstandingofwhatacarbonfootprintis.2Createacarbonfootprintsurvey.Thinkoftwoquestionsandpossibleanswersforeachtopic.Giveeachanswerascorefrom1(alowcarbonfootprint)to3(ahighcarbonfootprint).Theaveragescoreofourgroupis...Theaveragescoreofourgroupis...Theresultsshowthat...Thebiggestproblemis...Wearegladtoseethat...Inorderto...,wesuggest...CarbonfootprintsurveyCarbonfootprintsurvey1Howoftendoyouwalk,cycleortakepublictransporttoschool?Never(3) Onetothreetimesaweek(2)Almosteveryday(1)2Howoftendoyouuseairconditioningorheating?Almosteveryday(3) Onetothreetimesaweek(2)Never(1)3Howoftendoyoupurchasenewclothes?Everymonth(3)Every3months(2)Onceayearorless(1)4Howoftendoyoueatmeat?Everyday(3)35timesaweek(2)Onceamonthorless(1)5Doyouseparateyourgarbageforrecycling?No(3)Yes(1)6Doyouunplugelectronicdeviceswhennotinuse?No(3)Yes(1)3Carryoutthesurveyandusetheresultstoeupwithwaystoreducecarbonfootprint.4Reporttheresultsofyoursurveyandyourideastotheclass.Usetheexpressionsintheboxtohelpyou.CarbonfootprintAcarbonfootprintreferstothetotalamountofgreenhousegases1(release)intotheearth’satmosphereas2resultoftheactivitiesofanindividualoranorganization.Greenhousegasestrapheatinsidetheatmosphereandthat’soverheatingtheplanet,soifyouwanttoworkout.yourowncarbonfootprint,youneedtoknowtheamountofgreenghousegases,likecarbondioxide3you’reresponsibleforcreating.It’sadifficultthingtomeasurepreciselyandtherearedifferent4(definite)abouthowbesttocalculateit,but5(rough)speaking,directimpactofusingenergywhenwetravelortopowerourhomesandthere’stheindirectimpactoftheenergythat’susedtocreate.Allthethingsweuseorconsume.Inthedevelopedworld,6.particular,transportisabigpartofyourcarbonfootprint.Cuttingdownontheuseofpetrolordieselcarsandtakingfewerflightsisoneofthe7(effective)waysofreducingit.Theplaceyoulivealsocontributestoyourpersonalfootprint.It’simportant8(make)sureyourhomeisheatedorcooledefficientlyandiswellinsulated.Themoreyoucanusesustainableenergy,likesolarorwindpower,themoreyoucutyouremissions.Thestuffyouuseathomealsoaddstotheproblem.Allthatplastic,metalandcardboardtakesalotofenergytoproduceanddisposeof.So9(recycle)canhelpreducingyourcarbonfootprint,butnotasmuchashowyoutravelorheatandcoolyourroom.Thenthere’syourdiet.Aboveall,redmeatmakesyourcarbonfootprintbiggerbecausecropsproducesomuchmethane,anothergreenhousegas.Andhugenumbersoftrees10(cut)downtocreatepastureonwhichcattlecangraze.答案：1.單詞漢譯英：(1)urgev.強烈要求；敦促(2)canteenn.食堂；餐廳(3)averageadj.平均(數(shù))的(4)contributev.促成；造成(5)concernedadj.焦急的，擔憂的(6)campaignn.(宣傳)活動(7)starvationn.饑餓，餓死(8)dailyadj.日常的(9)leftovern....的剩余物/殘留物(10)assumptionn.假定；假設2.短語英譯漢：(1)carryout執(zhí)行；實施；進行(2)eupwith想出；提出(3)threetimes