Unit13SectionB(3a-SelfCheck)課件人教版英語九年級全一冊

Unit13We’retryingtosavetheearth!SectionB(3a~SelfCheck)1.學(xué)習(xí)目標(biāo)3.重點探究2.自主學(xué)習(xí)學(xué)習(xí)導(dǎo)航5.當(dāng)堂檢測6.課堂總結(jié)4.拓展提升

新課導(dǎo)入Theearthisbadlypolluted.Whataretheproblems?Whatcausestheproblems?Whatshouldwedotosavetheearth?Turnoffthelightswhenweleavearoom.Takeourownbagswhenshopping.Rideabike.Recyclepaper.Don’tusepapernapkins.Putthingswedon’tuseanymoretogooduse.學(xué)習(xí)目標(biāo)1. 能記住并正確運(yùn)用本課時的重點單詞和短語2. 能使用派生、合成等方法構(gòu)成新的單詞3.能書寫有關(guān)提出保護(hù)環(huán)境的建議的書信自主學(xué)習(xí)Review1.savetheearth2.noisepollutionairpollutionwaterpollution3.cutdownpollution4.throwlitterintotheriver5.putwasteintotheriver拯救地球噪音污染空氣污染水污染減少污染扔垃圾到河中扔廢品到河中自主學(xué)習(xí)6.closedownthefactory7.cleanuptheground8.thebottomoftheriver9.playapartindoingsth11.advantagesofbikeridingdisadvantagesofbikeriding關(guān)閉工廠清掃地面河的底部參與做…在…起作用騎自行車的優(yōu)點騎自行車的缺點自主學(xué)習(xí)12.woodenchopsticksplasticforks13.takeawayfood14.throwrubbishinthebins15.keeppublicplacesclean16.leadto木制筷子塑料叉子外賣食物扔垃圾到垃圾箱保持公共場所干凈導(dǎo)致重點探究3aThinkabouttheenvironmentinyourtown/cityandcompletethechartbelow.Whichpartsofthetown/cityhaveaniceenvironment?Whyaretheynice?Whichpartsneedtobeimproved?Why?GoodenvironmentWhyBadenvironmentWhyparktheairiscleanstreetssomanytreesrestaurantscleanandtidyriveralotofrubbishsomanycarsairtoomanyfactoriesstreets1Writedifferentformsofthewords.Thenaddmoretoeachgroup.v.—n.pollute—act

protect—inspire—build—create—pollutionactionprotectioninspirationbuildingcreationn.—adj.fame—wood—science—health—south—care—famouswoodenscientifichealthysoutherncarefulSelfCheckadj.—n.different—important—differenceimportanceadj.—adv.slow—wide—sudden—real—slowlywidelysuddenlyreally2Matcheachstatementwiththegrammarstructure.StatementGrammarTheriverusedtobesoclean.PresentprogressiveWehaveseenmanychangesintheenvironment.ModalverbsPeopleshouldtakepublictransportationmore.PassivevoiceTheriverispollutedbyfactories.usedtoTheairpollutionisgettingworseandworse.Presentperfect3Writewaystocutdownonthesekindsofpollution.KindsofpollutionWaystocutdownwaterpollutionlandpollutionnoisepollutionairpollutionstopfactoriesfromthrowingwasteintorivers.TrynottouseplasticbagswhenshoppingCutdownthenumberofcars.Reducethenumberoffactoriesthatburncoal.拓展提升3bWritealettertothecitymayorabouttheproblemsandyoursuggestions.WritingInyourletter,describetheenvironmentalproblemsinyourtown/city.1.Whataretheproblems?2.Wherearethey?3.Whatorwhoiscausingtheseproblems?Then,givesuggestionsorpossiblewaystosolvetheproblems.Ithinkthat…Weshould/could…Isuggest…寫作指導(dǎo)本次寫作內(nèi)容是一封書信，信中首先要介紹你所在城市存在有哪些環(huán)境問題，是誰造成的這些問題，然后提出解決這些環(huán)境問題的方法和措施，可以結(jié)合3a中列舉的問題和前面學(xué)過的解決辦法來完成這封信。OnepossibleversionDearSir/Madam,Environmentalproblemsarebecomingmoreandmoreseriousallovertheworld.Withthedevelopmentofthesociety,therearetoomanycarsonthestreetsinourcity.Carshavemadetheairunhealthyforpeopletobreathe.Blacksmokeandpoisonousgasaregivenoffbyfactories.Factoriesalsoputwasteintotheriver.Andwhereverwego,wecanfindrubbish.Nowmoreandmorepeoplehaverealizedtheseproblems.Ithinkthatgovernmentsshouldclosedownthefactoriesanddeveloplawstostoppeoplefromdrivingcarseveryday.Isuggesteveryoneinthistownshouldhelptocleanuptheriverandthestreets.Weshouldcalloneveryoneinthetowntothrowrubbishinthedustbins.Ihopetheproblemwillbesolvedinthenearfutureandourhomewillbecomebetterandbetter.當(dāng)堂檢測Ⅰ.根據(jù)句意及漢語提示完成句子，每空一詞。1.Everyoneinthistownshould____________(參加)

cleaningthecityup.2.Doyouwantyouraddresswritten______________(在......頂端)theletter?3.Sotogether,ouractionscan_________________(發(fā)揮作用).4.Hiseyeswereopenandeverythinghesawwas____________(顛倒).5.Smoking______________________(對......有害)yourhealth.Youmustgiveitup.takepartinatthetopofmakeadifferenceupsidedownis/doesharmful/harmtoⅡ.用所給動詞的適當(dāng)形式填空。1.Wearetrying

(work)hardatallthesubjects.2.Thereusedto

(be)alotofmanatees.Butnowtherearefew.3.Whatwastheairpollution

(cause)by?4.Havey