Unit 13 sectionA1a-2d教學(xué)設(shè)計 人教版英語九年級全冊

課題Unit13We’retryingtosavetheearth!Period1學(xué)習(xí)內(nèi)容SectionA1a—2d教學(xué)目標1、熟練掌握詞匯：litter,advantage,bottom,fisherman,coal,ugly,cost,wooden,plastic,takeaway,bin,2、熟練掌握短語：savetheearth,noise/air/waterpollution,thebottomof,befullof3、掌握并運用下列句型：We’retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted..4.能正確運用現(xiàn)在進行時，現(xiàn)在完成時和usedto句型。教學(xué)重點掌握本課時的重點詞匯及句型;能正確運用現(xiàn)在進行時，現(xiàn)在完成時和usedto句型教學(xué)難點能正確運用現(xiàn)在進行時，現(xiàn)在完成時和usedto句型教學(xué)設(shè)計教學(xué)過程Step1Lead-in（導(dǎo)入）Showthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)Peopleshouldthrowawaylitterinthebin.Step2Self-study(自主學(xué)習(xí))1.ReadwordsonP168individually.Fromlittertobin，helpthemiftheyneed,readtogether,correctthepronunciations.2.Readthesewordsloudly,trytorememberthem.3.check-in:通過小組競賽的形式鞏固單詞，可上黑板上寫，可口頭翻譯搶答等。Step3Cooperation&Presentation(合作探究與展示)1.Gothrough1a:Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.2.Listening1bListenandcompletethesentences.Listenagainandcheck(√)thesentencesyouhear.1)Wecouldgofishingintheriver.2)Theriverwasreallydirty.3)Theriverhasalwaysbeenthenicestriverinthistown.4)Weshouldasktheteachersforhelp.探究：1.We’retryingtosavetheearth!我們正在竭盡全力拯救地球!trytodo=tryone’sbesttodo努力去做某事。e.g.Everystudentshouldtrytostudyhardinordertostudyinauniversity.為了進入大學(xué)學(xué)習(xí)，每個學(xué)生都應(yīng)該努力學(xué)習(xí)。2.Herearesomewordsrelatedtodifferentkindsofpollution.berelatedto與…有關(guān)3.Everyoneinthistownshouldplayapartincleaningitup!playapartin在……方面起作用e.g.Agooddietplaysalargepartinhelpingpeoplelivelonger.健康的飲食在幫助人們長壽方面起著非常大的作用。playapart在……中扮演角色e.g.HewasinvitedtoplayapartinthisTVplay.他被邀請參加這個電視劇的演出。4.Eventhebottomoftheriverwasfullofrubbish.Yes,butpeoplearethrowinglitterintotheriver.litter和rubbish都可指“垃圾”，用作不可數(shù)名詞。rubbish指“沒用的東西(被扔或?qū)⒁獊G棄的無用的東西)”不可回收。litter指“(室內(nèi)或公共場所)亂扔的廢物(紙屑、不要的包裝紙、廢瓶等)”還可回收e.g.Throwtherubbishout.把垃圾扔出去。Theroomisfullofrubbish.房間里堆滿了垃圾。Pickupyourlitterafterapicnic.野餐后將廢棄物收拾好。3.PracticeRole-playtheconversationin1c.4.Listening1).Workon2a;Listentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution2).Workon2b:Listenagainandcompletethesentences.5.PairworkUsetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.Jason:Theairhasbecomereallypollutedaroundhere.I’mgettingveryworried.Susan:Yes,Iusedtobeabletoseestarsinthesky.Jason:Theproblemisthat…6.Workon2d.1).Read2dandcompletethechart.ProblemsSolvingproblemsairpollutionwastepollutionwooden(木頭的)chopsticksorplasticforksrubbish2).Role-playtheconversation.探究：1.Thisisturningbeautifulplacesintouglyones.turn…into…把……變成……e.g.Theicyrainseemedliketoturnintosnow.漸漸地凍雨又變成雪花的模樣。2.It’sgoodforhealthanditdoesn’tcostanything!costv.花費；使付出指花費金錢，主語通常是物。cost的過去式和過去分詞均為cost。e.g.ThenewshirtcostMrWang200yuan.王先生花了200元買了新襯衫。Howmuchdoesthenewcomputercost?新電腦花了多少錢？take,spend,pay&costtake，spend，pay和cost都可以表示“花費”，但它們的用法各有不同。1)take多表示花費時間，常用于Ittakessb.sometimetodosth.這一句型中，其中it作形式主語。e.g.Itusuallytakesme40minutestocookthedinner.2)spend多表示花費時間和金錢，主語通常是人，常用于sb.spend(s)sometime/moneyonsth.和sb.spend(s)sometime/money(in)doingsth.兩種句型。e.g.Davidspent2,000yuanonthenewmachine.Myfatherspendsanhour(in)watchingthenewsonTVeveryday.3)pay多表示花費金錢，主語通常是人，常用于sb.pay(s)somemoneyforsthe.g.Tommypaid20yuanforhisbreakfastyesterday.4)cost多表示花費金錢，主語通常是物，常用于sth.cost(s)(sb.)somemoney.e.g.ThenewdresscostLinda88yuan.小試身手：根據(jù)句意用take,spend,pay或cost的適當形式填空。1)Thatnewcar________

themlotsofmoney.2)Mona__________50yuanonthebooksjustnow.3)Itusually_______

meanhourtodomyhomework.4)Youshould__________

sometimepractisingyourpronunciation.5)Mybrother_______

6,000yuanforthenewcomputeryesterd