教學(xué)設(shè)計(jì)Teachinggoals教學(xué)目標(biāo)1.Wordbuilding.2.Todevelopstudents'abilityofskimming:tofindinformationquicklyandcorrectly.3.Toinspirestudents'senseofenvironmentalprotection.4.Toimprovestudents’abilityofwritingandsolvingproblems.Teachingimportantpoints教學(xué)重點(diǎn)Todevelopstudents'abilityofskimmingTeachingdifficultpoints教學(xué)難點(diǎn)Toinspirestudents'senseofenvironmentalprotection.Teachingmethods教學(xué)方法Discussing,explaining,readingandpractisingTeachingaids教具準(zhǔn)備ThemultimediacomputerTeachingprocedures&ways教學(xué)過程與方式StepI:Pre-readingMatchthetwocolumns.CommitmentA.tolerant,bearputupwithB.belief;anopinionelectricalC.dosth.usinglesstimeormoneysolongasD.connectedwithelectricity;usingelectricityCircumstanceE.onlyifbecasualaboutF.notshowingmuchcareorthought;economicalG.condition,situationStepII:In-readingSkimmingSkimthelettersandfindwhothewritersareandwhattheirpurposesofwritingtheletters.Whatopinioncanyougetfromhisletter?DoesEarthCareagreewithOuyangGuang’sopinionthatindividualscanhavenoeffect?What’stheopinionofit?ListeningandcarefulreadingWhatcanwedoaboutglobalwarming?◆Turna(n)_________________offwhenyou’renotusingit.◆Putonmoreclothesinsteadofturningupthe_____.◆Walkor_________insteadoftakingmotorvehicles.◆________cans,bottles,plasticsandnewspapers.◆Buythingsmadefrom__________◆Buyproductsthataremadetosave________.◆__________inyourgardenoryourschoolyard.◆Talkwithyourfamilyandfriendsabout_______________.StepIII:After-readingSupposeyouareaspeaker.(Youmaybeanindividualorrepresentaninternationalorganization……)Youwillgivealectureabouthowtosolvetheproblemofglobalwarming.Whatwillyousay?StepIV:Languagestudy1.SometimesIfeelthatindividualscanhavelittleeffectonsuchhugeenvironmentalproblems.有時(shí)候我覺得像這樣一個(gè)巨大的環(huán)境問題，個(gè)人是起不了什么作用的。havean/some/much/little/no…effecton…對……有/有一些/很多/幾乎沒有/沒有影響（作用）Theadvertisements_________________________sales.這些廣告對銷售額并沒有起到多大作用。Themedicine____________________hisillness.這藥對他的病一點(diǎn)作用也沒有。2.Together，individualscanmakeadifference.眾人拾柴火焰高。makeadifference(tosb./sth.):對…..起作用、有影響difference前可加不同的修飾詞如no/some/little/much等。Exercisecan____________________yourhealth.鍛煉對你的健康產(chǎn)生很大的影響。It________________________whatyousay.無論你怎么說對我都沒有影響3.commitmentn.“承諾,保證”makeacommitmenttosb./sth.“對某人/某事做出承諾”O(jiān)urcompanyhasacommitmenttoqualityandcustomerservice.我們公司對質(zhì)量和顧客服務(wù)有承諾commit

v.使承擔(dān)義務(wù);使作出保證;使表態(tài)commitsuicide

自殺4.Iwouldappreciateanysuggestionsyoumayhave.我希望能得到你們的建議。appreciatevt.“感激”、“贊賞”Ireallyappreciateagoodcupoftea.有好茶一杯，我就真樂在其中了。Weshallappreciatehearingfromyouagain.能再次收到你的來信，我們將十分感激。其后不直接跟if引導(dǎo)的從句，若語義上需要接這類從句，需借助it。Iwouldmuchappreciateitifyouwouldarrangethisforus.5.Yourcontributioncounts！你的貢獻(xiàn)有價(jià)值。countn.計(jì)數(shù)；計(jì)算vt.計(jì)算，計(jì)數(shù)；認(rèn)為；指望,依賴vi.計(jì)數(shù)；有價(jià)值=mattercountnothing一點(diǎn)價(jià)值都沒有counton=dependon/relyon指望，依賴Firstimpressionreallydocount.第一印象確實(shí)很重要。Youcancountonhimtohelpyou.你可以指望他幫忙StepV:Exercises(Fillintheblanksaccordingtothewordsgiven)1.It__________________________(對我沒什么影響)whetheryoucometomorrowornot.2.I___________________(將不勝感激)ifyoucouldlendmeyourbike.3.Thatwastheonlything_________________.那是他們唯一依靠的東西。StepVI:Checkyourself.UsefulwordsandexpressionsUsefulknowledgeaboutglobalwarmingHomework(Chooseone)1.Writeashortpassage:Givesomecreativeadviceonhowwecandotosolvetheproblemofglobalwarming.2.Haveadebate（辯論）:Everycoinhasitstwosides.Debatethepositiveornegativeeffectsofglobalwarmingwithyourclassmates.Relatedmaterials(一)Althoughtheworlddevelopsmuchfasterandbetter,theresourcesontheearthgetfewerandfewer.Inordertoprotectthem,somethingmustbedone.Savewater.Wateristhesourceoflife.Nowater,nolife.Soit'sveryimportantforustodoso.Notonlyshouldweprotectdrinkingwaterandstoppollutingit,butalsomakefulluseofit.Saveelectricity.Itiscrucial.Wecan'timaginewhatthelifewillbelikewithoutit.Everyoneshoulddohisbesttosaveelectricity.Don'tforgettoturnofflightsorotherelectricmachineswhenwefinishworking.Saveforests.Theyareuseful.Pleasestopcuttingthemdownanduserecycledpaperinstead.Makeourworldagreenonetolivein.Recycleusefulrubbish.Plentyofrubbishcanberecycledlikecans,paper,bottles,andsoon.Wecansaveresourcesinthisway.（二）Todaythingsaredifferent.Theworldhasbecometoocrowded.Weareusingupournaturalresources,andpollutingourenvironmentwithdangerouschemicals.Ifwecontinuetodothis,humanlifeonearthwillnotsurvive.

Werealizethatiftoomanyfisharetakenfromthesea,therewillsoonbenoneleft.Yet,withmodernfishingmethods,moreandmorefisharecaught.Weknowthatiftoomanytreesarecutdown,forestswilldisappear.Yet,wecontinuetousepowerfulmachinestocutdownmoreandmoretrees.Weseethatifriversarepollutedwithwasteproducts,wewilldie.Yet,wasteproductsarestillputintorivers.

Weknowthatifthepopulationcontinuestoriseatthepresentrate,inafewyears,therewon'tbeenoughfood.Whatcanwedotosolvetheseproblems?

Ifweeatmorevegetablesandlessmeat,therewillbemorefoodavailable.Landforcropsfeedsfivetimesmorepeoplethanlandwhereanimalsarekept.

Ournaturalresourceswilllastlongerifwelearntorecyclethem.

Theworldpopulationwillnotrisesoquicklyifpeopleusemodernmethodsofbirthcontrol.

Finally,ifweeducatepeopletothinkabouttheproblemsweshallhaveabetterandcleanerplanetinthefuture.（三）posterFightglobalwarmingCutdownonenergy.Cutdownoncarbondioxide.Ifnotusinganelectricalitem,turnitoff.Ifyousuddenlyfeelcold,don’tturntheheatup,putonajacketinstead.Walkorrideabikeandsavefossilfuels.Recyclepaper,cardboardandnewspapers.Buyproductsmadefromrecycledmaterials.Buyenergy-savingproductslikelowenergylightbulbs.PlanttreestoabsorbCO2.Tellyourfriendsaboutglobalwarming.Everyeffortcounts!學(xué)情分析通過高中近兩年的英語學(xué)習(xí)，大多數(shù)學(xué)生已能聽懂有關(guān)熟悉話題的語段和簡短的故事。能與教師或同學(xué)就熟悉的話題交換信息。能讀懂短篇故事，但由于各種因素的影響，學(xué)生發(fā)展參差不齊。有少數(shù)學(xué)生因?yàn)榛A(chǔ)不夠好，學(xué)習(xí)很吃力而自暴自棄，這給教學(xué)帶來不少困難?？偟膩碚f，大部分學(xué)生對于英語還是保持著比較高的熱情，但兩極分化較嚴(yán)重，優(yōu)秀生上課愛表現(xiàn)，差生課上在優(yōu)秀生的“咄咄逼人”下變得越來越沉默，課堂有時(shí)候淪為優(yōu)秀學(xué)生的秀場。學(xué)生的情緒容易激發(fā)，課堂上，老師容易掌控學(xué)生的學(xué)習(xí)進(jìn)度?？傊?，學(xué)生特點(diǎn)比較明顯，教學(xué)上還得因材施教。效果分析上課的語言有待于進(jìn)一步簡練，準(zhǔn)確，有效。上課流程的整體性需進(jìn)一步流暢，各個(gè)環(huán)節(jié)的時(shí)間分配還欠合理。每一個(gè)環(huán)節(jié)，每一個(gè)細(xì)節(jié)，每一個(gè)問題，甚至幻燈片上每一個(gè)背景，事無巨細(xì)，都要反復(fù)的推敲和斟酌。導(dǎo)入猜測活動(dòng)新穎，有效，激發(fā)了學(xué)生對環(huán)保這一話題的興趣。但所有的構(gòu)思必須以課本為依托，以學(xué)生為本，體現(xiàn)出以學(xué)生為主體的教學(xué)理念。學(xué)生不能熟練掌握單詞，對課文內(nèi)容似懂非懂，僅憑幾個(gè)關(guān)鍵詞就可以立即反應(yīng)出課文的相關(guān)內(nèi)容，其難度稍大，學(xué)生在表達(dá)上有欠缺，不太積極主動(dòng)。教材分析通過對課文的閱讀，使師生充分了解全球變暖等環(huán)境問題的嚴(yán)重性及帶來的危害，號召學(xué)生從點(diǎn)滴做起，為我們的地球母親盡一份力?！窘虒W(xué)重點(diǎn)與難點(diǎn)】重點(diǎn)：閱讀文章回答相關(guān)的問題難點(diǎn)：環(huán)保類詞匯的積累及對文章主題的把握。在網(wǎng)上搜索閱讀與全球變暖相關(guān)的論文，數(shù)據(jù)，圖片等知識作為教學(xué)依據(jù)，確定課堂教學(xué)形式和方法。然后根據(jù)學(xué)生水平及課堂教學(xué)需要，參考部分課件內(nèi)容，形成適用實(shí)用的教學(xué)材料。評測練習(xí)ListeningandcarefulreadingWhatcanwedoaboutglobalwarming?◆Turna(n)_________________offwhenyou’renotusingit.◆Putonmoreclothesinsteadofturningupthe_____.◆Walkor_________insteadoftakingmotorvehicles.◆________cans,bottles,plasticsandnewspapers.◆Buythingsmadefrom__________◆Buyproductsthataremadetosave________.◆__________inyourgardenoryourschoolyard.◆Talkwithyourfamilyandfriendsabout_______________.ExercisesI.根據(jù)下列各句句意及所給單詞的首字母或漢語提示，寫出各單詞的正確形式。1.Alargeq______ofriceisbadlyneededhere.(quantity)2.Studentsarefromawider______ofbackgrounds.(range)3.Shestudiedhard,andinc____________shepassedtheexam.(consequence)4.Whatsortof______(燃料)dothesemachinesneed?5.The______(數(shù)據(jù))isstillbeinganalysed.Sodon’tbesoworried.6.Theearthquakewasaterrible_____________(大災(zāi)難).7.Arainbowisanatural___________(現(xiàn)象)especiallyafteraheavyrain.8.The______(曲線圖)ofexportindicatesanewsuccessofthecompany.5.glance;glare;starea.He______angrilyatheracrossthedinnertable.b.She______atthepageforseveralminutes,tryingtounderstand.c.She______roundtheroombeforesheleft.(glared/stared/glanced)III.每空一詞,使兩個(gè)句子的意思相同。1.Itwasverylate,buttheywentonworking.Itwasverylate,butthey______working.(kepton)2.Wedon’tdoubtthathecandoagoodjob.__________________hecandoagoodjob.(thereisnodoubtthat)3.Theircarelessnessledtothefailu