仁愛(ài)版英語(yǔ)九年級(jí)上冊(cè)Unit2Topic2SectionC教學(xué)設(shè)計(jì)

整理文本整理文本Unit2Topic2SectionC教學(xué)設(shè)計(jì)I.Materialanalysis本課是第二單元第二話題的第三課時(shí)，主活動(dòng)是 1a和3。通過(guò)閱讀1a,進(jìn)一步學(xué)習(xí)各種污染對(duì)地球造成的危害和造成這些污染的原因，培養(yǎng)學(xué)生通過(guò)圖片預(yù)測(cè)文章大意的能力，其中出現(xiàn)了很多關(guān)于環(huán)境的專業(yè)術(shù)語(yǔ)，需要學(xué)生了解。1b是訓(xùn)練學(xué)生運(yùn)用不同的閱讀策略完成不同的任務(wù)，如：通過(guò)觀察 1a中的圖片匹配相應(yīng)的標(biāo)題，再閱讀文章，給每段話選擇標(biāo)題；另外，繼續(xù)訓(xùn)練學(xué)生通過(guò)語(yǔ)境，找出單詞指代的內(nèi)容；最后在理解課文的前提下，歸納文章的大意。1c培養(yǎng)學(xué)生通過(guò)精讀文章，學(xué)會(huì)用簡(jiǎn)單的詞句做筆記，再通過(guò)1c表格中的內(nèi)容簡(jiǎn)要復(fù)述文章大意。2是培養(yǎng)學(xué)生的資源策略。要求學(xué)生合理地運(yùn)用網(wǎng)絡(luò)資源查找與環(huán)境危害相關(guān)的信息，然后進(jìn)行小組討論，并要求學(xué)生做好筆記，為任務(wù)3做準(zhǔn)備。3要求學(xué)生運(yùn)用這些信息，在1c和2的基礎(chǔ)之上進(jìn)行寫(xiě)作練習(xí)，教師應(yīng)強(qiáng)調(diào)銜接詞在作文中的重要性。由于課堂上不方便完成 2，因此，可將 2和3安排為課后作業(yè)。通過(guò)讀寫(xiě)的結(jié)合訓(xùn)練，引導(dǎo)學(xué)生關(guān)注全球環(huán)境的現(xiàn)狀，意識(shí)到環(huán)境保護(hù)的重要性，樹(shù)立正確的環(huán)保觀念。n.Teachingaims.Knowledgeaim：s掌握本課的重點(diǎn)詞匯和短語(yǔ)，初步感知定語(yǔ)從句。進(jìn)一步學(xué)習(xí)各種污染對(duì)地球造成的危害和造成這些污染的原因。.Skillaims:能讀懂有關(guān)環(huán)境問(wèn)題的文章。能根據(jù)不同的閱讀目的，運(yùn)用簡(jiǎn)單的閱讀策略獲取信息。能正確運(yùn)用網(wǎng)絡(luò)資源獲取需要的信息。能用英語(yǔ)書(shū)面的形式表達(dá)環(huán)境問(wèn)題的成因及危害。.Emotionalaims:(optional)通過(guò)學(xué)習(xí)，了解環(huán)境現(xiàn)狀，幫助學(xué)生樹(shù)立綠色環(huán)保意識(shí)。.Cultureawareness:(optional)了解各種環(huán)境問(wèn)題，如臭氧空洞，溫室效應(yīng)等，意識(shí)到環(huán)境問(wèn)題的嚴(yán)峻形勢(shì)。m.ThekeypointsanddifficultpointsKeypoints:Wordsandphrases:hole,form,rise,oxygen,ozonelayer,radiation,directly,carbondioxide,blanket,escape,thegreenhouseeffect,referduringthisperiod,takeaway,passthroughSentences:(1)Forestshavebecomedeserts,somoreandmoresortsofanimalsandplantsaredisappearing.Asaresult,manyriversandlakesarenowdead.Toomuchharmfulradiationfromthesunpassesthroughtheholeandreachestheearthdirectly.Itcausestheleveloftheoceanstoriseandtheclimateoftheearthtochange.Whenitrainsorwhenthewindblows,theearthistakenaway.(6)Theheatfromthesuncan,so’thteet(6)Theheatfromthesuncan,so’thteettsecmaperatureisrising.Grammar:indefinitepronounandadverbDifficultpoints：理解有關(guān)環(huán)境方面的專業(yè)術(shù)語(yǔ)。能讀懂與環(huán)境問(wèn)題相關(guān)的科普類文章。能運(yùn)用所學(xué)知識(shí)，寫(xiě)出談?wù)摥h(huán)境現(xiàn)狀的文章。.Learningstrategies能在閱讀不同體裁的材料時(shí)，運(yùn)用不同的閱讀策略獲取信息。善于利用插圖預(yù)測(cè)科普類文章的內(nèi)容。能合理運(yùn)用網(wǎng)絡(luò)資源，拓展寫(xiě)作思路和開(kāi)拓視野。恰當(dāng)使用連接詞，使自己的作文流暢，有邏輯層次。.Teachingaids與環(huán)境相關(guān)的圖片；單詞卡片(如。2/oxygen;ozonelayer;radiation^)；錄音機(jī)；國(guó)際臭氧層保護(hù)日宣傳動(dòng)畫(huà)片等。VI.TeachingproceduresStage(timeperiod)InteractionpatternsTeacheractivityStudentactivityRemarks

1Gettingstudentsreadyforlearningandrevision( 2mins)ClassactivityChecktheSs'homework:LettheSsgiveareportabouttheirownbadhabitsandhowtcmakethecampusbetter.T:Hi,everyone.Lastclass,wehavetalkedsomethingaboutthschoolenvironment.Someofusmayhavesomebadhabits,andthesehabitscanaffectourcampus.Whatcanyoudotomakeourcampuslookbetter?Pleaseshareyouropinionswithus.S1:IoftenforgettoturnoffthelightswhenIleavetheclassroom.Ithinkitdoesn'matterifthelightsareonforalittlewhile.AndIoftenwastesomepaperafterIonlyuseasmallpartofit.Iliketousenewpaper.ButnowIrealizetheseGiveareportaboutyourownbadhabitsandhowtomakethecampuslookbetter.eS1:IoftenforgettoturnoffthelightswhenIleavetheclassroom.Ithinkitdoesn 'tifthelightsareonforalittlewhile.AndIoftenwastesomepaperaftertuseonlyasmallpartofit.Iliketousenewpaper.Ihopeeveryoneofuscansaveenergyfromnowon.用報(bào)告的形式讓學(xué)生在課堂上反思自己平時(shí)的言行，有助于學(xué)生更好提開(kāi)自己，培養(yǎng)“愛(ài)護(hù)環(huán)境從我做起，從小事做起”的意識(shí)。matter

habitsarereallybadones,soIhopeeveryoneofuscansaveenergyfromnowon.T:Verygood.Ifyoucangivemoresuggestions,itwillbebetter.Nextone.S2:Ialwaysmakeloudnoisebetweenclasses.Itdisturbsothers.Ioftenthrowrubbisharoundinacornerifthereisnobody.Butfromnowon,Iwillremembertogetridofthebadhabits.Ifeveryonecanfollowtheschoolrules,ourcampuswillbecomemorebeautiful.S3:…T:Great.S2:Ialwaysmakeloudnoisebetweenclasses.Idisturbsothers.Ioftenthrowrubbisharoundinacornerifthereisnobody.Butfromnowon,Iwillremembertogetridofthebadhabits.Ifeveryonecanfollowtheschoolrules,ourcampuswillbecomemorebeautiful.S3:…t2Lead-in(3mins)ClassactivityPlaythecartoonvideoaboutprotectingtheozonelayer.LettheSswatchanddiscusswhatWatchthevideoanddiscusswhattheyhavelearntfromit.Take通過(guò)播放視頻，讓學(xué)生了解每年的9

theyhavelearntfromit.Takesomenotes.月16日是國(guó)somenotesifnecessary.際臭氧層保T:Hereisavideoabout護(hù)日，關(guān)注臭protectingtheozonelayer.氧層的現(xiàn)狀。Let'swatchitcarefully.ThenI該宣傳片是willaskyousomethingaboutit.卡通版，不是...枯燥的科教T:NowLet'sfigureoutSs:It'sveryimportant,能夠很好somethingaboutozonelayer.Is地吸引學(xué)生ozonelayerimportantorSs:Yes.的注意力。如unimportant?Ss:Thereisabigholein果條件不允Ss:It'sveryimportanttheozonelayer.許，教師可以T:CantheozonelayerprotectSs:It'harmfultoall從課外書(shū)籍us?thelivingthings,上選讀一些Ss:Yes.especiallytohumansfor與環(huán)境相關(guān)T:Whathappenedtoitnow?itdoesharmtooureyes的文早。Ss:Thereisabigholeintheandskin.ozonelayer.…T:Yes.What'stheeffectofit?Ss:It'sharmfultthallivingthings,especiallytohumansfor

itdoesharmtooureyesandskin.3Pre-reading(5mins)ClassactivityClassactivityStep1:Showtwopicturesofozonelayerandmorecarbondioxide.IntroducethemtotheSsbrieflytoteachthenewwords.T:Right.Ozoneisaspecialkinofoxygen.Itcanprotecttheearth.Nowpeopleproducelotsofharmfulchemicalsintotheair.Theycauseabigholeintheozonelayer.Sotheradiationcapassthroughtheholeandreacltheearthdirectly.…(ShowthepictureofmorecarbondioxideandleadtheSstolearnthenewwordsinthesameway.)Step2:GuidetheSstopredictLookatthepicturesandlearnthenewwordsaccordingtoteacher'descriptions.niPredictthemainideaofthepassagebythegiverpictures.Somethingaboutpollution.Trafficpollution在觀看宣傳片后，再介紹s關(guān)臭氧層和溫室效應(yīng)的英義詞匯，學(xué)生容易理解，也容易掌握。1培養(yǎng)學(xué)生通過(guò)觀察圖片，預(yù)測(cè)課文內(nèi)容的能力，這

themainideaofthepassagebythegivenpictures.T:NowlookatthepicturesonPage39,canyouguesswhatwwilllearninthepassage.Somethingaboutpollution.Trafficpollution/airpollutionOzonelayerCuttingdowntreesCarbondioxide…OzonelayerCuttingdowntreesCarbondioxidee…有助于學(xué)生在日常閱讀中，快速獲取信息。4While-reading(20mins)IndividualworkStep1:LettheSsmatchthepictureswiththetitlesin1of1b,andthenreadparagraphs2-6quicklyandwritedownthepropertitleinfrontofeachparagraph.T:Excellent.Nowread1aquickly,matchthepictureswiththetitlesinExercise1quickly.Matchthepictureswiththetitlesin1of1b,andthenreadparagraphs2-quicklyandwritedownthetitleinfrontofeachparagraph.教師在安排1b的閱讀任6務(wù)時(shí)，要注意以卜兩點(diǎn)：1.引導(dǎo)學(xué)生用不同的閱讀策略完成不同的閱讀任務(wù)。

IndividualworkPicture1istrafficpollution.Picture2istheozonelayer,S3:Picture3isfewertrees.Picture4ismorecarbondioxide.Picture5isfactorypollution…T:Right.Nowpleasereadparagraphs2-6quickly,choosetitleforeachparaandwritedowninfrontofit.…T:OK,let 'schecktheartogether.Para2isfewertrees.Para3istrafficpollution.Para4isfactorypollution.Para5istheozonelayer.S10:Para6ismorecarbondioxide.Picture1istrafficpollution..Picture2istheozonelayer.Picture3isfewertrees..S4:Picture4ismorecarbondioxide.Picture5isfactorya…pollution.…iswerPara2isfewertreesPara3istrafficpollution.Para4isfactorypollution.Para5istheozone2.任務(wù)的安排要有層次性，從易到難。.訓(xùn)練學(xué)生通過(guò)上下文猜測(cè)單詞指代

GroupworkStep2:LeadtheSstoreadparagraph1,5and6,findthewordsinExercise2,3and4anguessthemeaningsofthemaccordingtothecontent.T:Great.Nowreadparagraph15and6,findthewordsinExercise2,3and4andguessthemeaningsofthemaccordingtothecontent.…T:Whatdoes“ourplanetmeaninthispara?Itmeans “theearthT:Whatdoestheword“blanket"referto?Carbondioxidearoundtheearth.T:Whatdoestheword“it”inPara5referto?Itreferso .layer.S10:Para6ismoredcarbondioxide.Readparagraph1,5and6,findthewordsin,Exercise2,3and4andguessthemeaningsofthemaccordingtothecontent.Itmeans“theearth:Carbondioxidearoundtheearth.的內(nèi)容，有助于學(xué)生更好的理解課文。1該環(huán)節(jié)的三個(gè)小任務(wù)是用相同的方法獲得信息，因此，可以一次性完成。歸納文章中心思想，是學(xué)生較為頭疼

…Step3:LettheSsread1acarefully,choosethebesttitleforthepassageandfinish5in1b.Thencompletethenotesin1caccordingto1a.T:Pleasereadthepassageandchoosethebesttitleforthepassage.…T:OK.Haveyougotthemainideaofthepassage?S4: Yes.Environmentalproblems.T:Right.Trytofinishthenotesin1caccordingtothepassagePayattentiontousethekeywordswhentakingnotes.Youcandiscusswithyourgroupmembers.…Itrefersto 3”.…Read1acarefully,choosethebesttitleforthepassageandfinish5in1b.Thencompletethenotesin1caccordingto1a.Yes.Environmentalproblems.Peoplehavehealthproblem.的題目，因此,如果文章較長(zhǎng)的話，最好把它放到最后一個(gè)環(huán)節(jié)處理，降低J難度，教師要引導(dǎo)學(xué)生用排除法作出正確的選擇。

T:OK.Haveyoufinished?What'stheeffectoftrafficS6:Factoriesmakethepollution?PeoplehavehealthproblemT:What'stheeffectoffactopollution?Factoriesmaketheriveranlakesdead.S7:……T:That'sight.Youdidverywell.riverandlakesdead.…i.)rydIndividualStep1:LettheSsread1aRead1acarefully,find本環(huán)節(jié)具體work,carefully,findoutthedifficultoutthedifficultpoints,操作說(shuō)明：Post-readGroupworkpoints,andlistthemontheBb.andlisttheminthesmal1.學(xué)生在組ingandclassT:Read1aagainandfindoutBb.內(nèi)歸納好本5(12mins)activitythedifficultpoints.PleasecollectthemingroupsandlistthemonyoursmallBb.…T:OK,nowlookatthepoints組存在的問(wèn)題。2.教師任意選擇一組作為主講，在講

PairworkofGroupOneontheBb.Lookatthisone“Whatdoestheword“others"referto?”Whocandealwithit?Somethingwehavedone.T:OK,lookatthissentence“theearthistakenawa9.Whocantranslateit?Itmeans泥土被帶走了"inChinese.…Step2:GuidetheSstoretellthpassageaccordingtothefirstpara,lastparaandthenotesin1c.T:Nowworkinpairs.Trytoretellthepassageaccordingtothefirstpara,lastparaandtheSomethingwehavedone.Itmeans“泥土被，巾走了 inChinese.(TheSsneedtotakenoteswhiletheteacheris giving someexplanations.)Workinpairs,trytoretellthepassageaccordingtothefirstepara,lastparaandthenotesin1c.S1:Sincehumanslivedontheearth,wechange解過(guò)程中，仍然遵循先讓學(xué)生解答、教師補(bǔ)充的原貝黑3.再補(bǔ)充講解其他組剩下的問(wèn)題，相同的問(wèn)題不作重復(fù)講解。4.最后老師將重點(diǎn)板書(shū)到黑板上。d

notesin1c.…T:Nowwhocanhaveatry?S1:Sincehumanslivedontheearth,wechangedtheearthalot.Somethingisgoodwhilesomethingisbad.Therearefewertreesintheworld.Peoplecutdownthem,soforestsbecomedesertsandanimalsarplantsaredisappearingS2……theearthalot.Somethingisgoodwhilesomethingisbad.Therearefewertreesintheworld.Peoplecutthemdown,soforestsbecomedesertsandanimalsandplants aredisappearing…dS2…6Summarizingandassigninghomework(3mins)ClassactivityStep1:LettheSssummarizewhattheyhavelearnedinclassT:Now,let'gooverwhatyouhavelearnedtoday,includingwords,phrasesandsentences.Andeachstudenthatopresentone.Goovertogetherandspeakoutwhattheyhavelearnedtoday.…isS1:oxygen由于網(wǎng)絡(luò)資源的覆蓋面有限，在課堂上運(yùn)用互聯(lián)網(wǎng)查找信息解決問(wèn)題，很難實(shí)現(xiàn)，因

oxygenradiationcarbondioxide…Step2:HMK:LettheSssearchtheInternetformoreinformation aboutenvironmentalproblemsandeffects.Discusstheinformationingroupsandtakenotes.Thenwriteapassageaccordingtotheirnotesand1c.T:OK,afterclass,searchtheInternetformoreinformationaboutenvironmentalproblemsandeffects.Disc