Unit13SectionB（3aSelfCheck）課件人教版英語九年級全冊

Unit13SectionB（3a-SelfCheck）教學目標1．復習并鞏固本單元出現(xiàn)的重點詞匯和短語。2．學習并掌握重點句型：(1)

Whichpartsmaybelessniceandneedtobeimproved?(2)

Givesuggestionsorpossiblewaystosolvetheproblems.3.學會寫關于所在城市環(huán)境問題以及個人建議的信件。教學難點1.復習現(xiàn)在進行時、usedto句型、被動語態(tài)、現(xiàn)在完成時和情態(tài)動詞。2.將讀寫任務結合起來鍛煉寫作及對語言綜合運用能力。WarmingupWhatshouldwedotosavetheearth?Turnoffthelightswhenweleavearoom.Takeourownbagswhenshopping.Rideabike.Recyclepaper.Don’tusepapernapkins.Whatshouldgovernmentsdotosavetheearth?Theyshouldclosedownthefactoriesthatputwasteintotheriver.Setupalotofdustbinsonthestreet.Stoppeoplefromusingwoodenchopsticks,plasticbowlsandbags.Organizepeopletocleanupthestreetsandrivers.Whichpartsofthetown/cityhaveaniceenvironment?Whyaretheynice?Whichpartsneedtobeimproved?Why?3aGoodenvironmentWhy?BadenvironmentWhy?parktheairiscleanstreetssomanytreesrestaurantscleanandtidyriveralotofrubbishsomanycarsairtoomanyfactoriesstreetsWhatcausedtheenvironmentalproblems?

Problempollutionwasteofenergy

breakthebalanceofecosystemwastewaterwastegasplasticbags…

forgettoturnoffthelightorshower…cutdowntoomanytreeskilltheanimals…Howtosavetheearthshould/can…h(huán)adbetter...It’snecessary/importantto…SavetheenergyCutdownthepollutionotherwaysthrowlitterinthebintakethereusablebags…ridebikesorwalkinsteadof…turnoffthelight/showerwhile…putoldthingstogooduserecycletheusedbooksorpaper…keepthebalanceofecosystem,plantmoretrees,makelawsto…closedownthefactoriesthat…thelittlethingsindailylivesgovern-mentandpublic3bWritingWritealettertothecitymayorabouttheproblemsandyoursuggestions.Inyourletter,describetheenvironmentalproblemsinyourtown/city.1.Whataretheproblems?2.Wherearethey?3.Whatorwhoiscausingtheseproblems?Then,givesuggestionsorpossiblewaystosolvetheproblems.Ithinkthat…Weshould/could…Isuggest…寫作指導

本次寫作內容是一封書信，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，可以結合3a中列舉的問題和前面學過的解決辦法來完成這封信。OnepossibleversionShowTimeWhichisthebest?

評分表

項目標準自我評價同伴評價教師評價結構（3分）段落合理（2

分）銜接自然(1分)內容（8分）要點1:當今的環(huán)境問題（2分）要點2:你的建議（3分）要點3:呼吁（1分）拓展合理(2分)語言（3分）詞匯豐富(1分)句法正確，語言優(yōu)美(2分)卷面（1分）書寫工整（1分）1.Writedifferentformsofthewords.Thenaddmoretoeachgroup.v.–n.pollute—act—protect—inspire—build—create—n.–adj.fame—wood—science—health—south—care—pollutionaction/actorprotectioninspirationbuildingcreativitywoodenscientifichealthysoutherncarefulfamousadj.–n.different—important—adj.–adv.slow—wide—sudden—real—differenceimportanceslowlywidelyreallysuddenly2.Matcheachstatementtothecorrectgrammarstructure.

StatementGrammarTheriverusedtobesoclean.PresentprogressiveWehaveseenmanychangesintheenvironment.ModalverbsPeopleshouldtakepublictransportationmore.PassivevoiceTheriverispollutedbyfactories.UsedtoTheairpollutionisgettingworseandworse.Presentperfect3.Writewaystocutdownonthesekindsofpollution.KindsofpollutionWaystocutdownwaterpollutionlandpollutionnoisepollutionairpollutionaskfactoriesnottothrowwasteintotherivers;remindpeoplenottolitterensurethatfactoriesthrowawayindustrialwasteinaresposibleway;trynottouseplasticbagswhenshoppingbuildairportsawayfromplaces