2023學年完整公開課版教案：SectionA1a-2d優(yōu)秀獎

一、教學目標：1.語言知識目標基本詞匯：litter,advantage,bottom,fisherman,coal,ugly,cost,wooden,plastic,takeaway,bin,shark,fin,method,cruel.Harmful,chain,ecosystem,industry,law,scientific,afford,reusable,transportation,recycle,napkin,upside,gate,bottle,president,inspiration,iron,work,metal,creativity,基本詞組：beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway,putsth.togooduse,pull…down,bringback基本句型：We’retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.2.技能目標:能正確運用現(xiàn)在進行時，現(xiàn)在完成時，被動語態(tài)，情態(tài)動詞和usedto句型。3.情感目標:有環(huán)境危機意識，學會關(guān)注環(huán)境保護環(huán)境。二、教學重難點：1.教學重點：（1）能正確運用現(xiàn)在進行時，現(xiàn)在完成時，被動語態(tài)，情態(tài)動詞和usedto句型。（2）保護環(huán)境的措施方法。2.教學難點：能正確運用現(xiàn)在進行時，現(xiàn)在完成時，被動語態(tài)，情態(tài)動詞和usedto句型。三、教學步驟:SectionA1(1a-2d)I.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)Peopleshouldthrowawaylitterinthebin.(4)Therearemorecarsontheroad.II.LearningKeys

:noisepollutionloudmusicplanesmobilephonesbuildinghousesairpollutionfactoriessmokingcarsbuildinghouseswaterpollutionshipsrubbishlitteringfactoriesIII.Listening1.1bListenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof________.Therewerenomore______forfishermen(漁民)tocatch.Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.Keys:reallydirtyrubbishfishlitterwastegovernmentclosedowncleanup2.Listenagainandcheck(√)thesentencesyouhear.1)Wecouldgofishingintheriver.2)Theriverwasreallydirty.3)Theriverhasalwaysbeenthenicestriverinthistown.4)Weshouldasktheteachersforhelp.Keys:23IV.Practice1.Role-playtheconversationin1c.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!2.Makeconversationsusingthepollutionin1a.A:Theriverhasalwaysbeenthenicestriverinthistown.B:Yes,itusedtobesoclean.A:ButIwastherelastweekendandtheriverwasreallydirty.B:Whatcausedtheproblem?A:Peoplearethrowinglitterintotheriver.B:Whatshouldwedo?A:Factoriesarealsoputtingwasteintotheriver.B:Yes,everyoneinthistownshouldplayapart.A:Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.B:Whatelsecanwedo?A:Everyoneshouldhelptocleanuptheriver.V.Languagepoints1.We’retryingtosavetheearth!我們正在竭盡全力拯救地球!trytodo=tryone’sbesttodo努力去做某事。.Everystudentshouldtrytostudyhardinordertostudyinauniversity.為了進入大學學習，每個學生都應(yīng)該努力學習。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.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。VI.Listening1.2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollutionKeys:BA2.2bListenagainandcompletethesentences.1)Theairisbadlypollutedbecausethereare___________ontheroadthesedays.2)Factoriesthatburncoalalso________theairwithalotofblacksmoke.3)Thereisalsotoomuchrubbishandwaste.People_________________thingseveryday.4)Peoplearealsolitteringin______________likeparks.Thisisturningbeautifulplacesintougly(丑陋)ones.Keys:morecarspollutearethrowingawaypublicplaces3.Listenandanswerthequestions.1)Whoistheinterviewertalkingto?2)Whataretheytalking?3)Whatotherproblemsdotheysee?Keys:SusanandJason.Theenvironmentalproblems.There’stoomuchrubbishandwasteinthestreets.VII.Practice(2c)Usetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.Jason:Theairhasbecomereallypollutedaroundhere.I’mgettingveryworried.Susan:Yes,Iusedtobeabletoseestarsinthesky.Jason:Theproblemisthat…VIII.DiscussionAskstudentswhatweshoulddotosavetheearth.Helpstudentsanswer,turnoffthelightswhenyouleavearoom;stopridingincars;stopusingpapertowelsornapkins;recyclebooksandpaper.IX.Reading1.Read2dandcompletethechart.ProblemsSolvingproblemsairpollutionwastepollutionwooden(木頭的)chopsticksorplasticforksrubbish2.Role-playtheconversation.Interviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Thereareotheradvantages(優(yōu)點)ofbikeriding.It’sgoodforhealthanditdoesn’tcost(花費)anything!Interviewer:Greatideas!Whataboutwastepollution?Susan:Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.Jason:Me,too.Also,Inevertakewoodenchopsticksorplastic(塑料)forkswhenIbuytakeaway(外賣食品)food.Iusetheonesathome.Susan:Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.Interviewer:Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!X.Summaryandlanguagepoints1.Thisisturningbeautifulplacesintouglyones.turn…into…把……變成…….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。.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。.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。.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)somemoneyforsth.句型。.Tommypaid20yuanforhisbreakfastyesterday.4)cost多表示花費金錢，主語通常是物，常用于sth.cost(s)(sb.)somemoney.句型。.ThenewdresscostLinda88yuan.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_______

6,000yuanforthenewcomputeryesterday.Keyscost

spent

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