Unit13SectionB（3aSelfCheck）课件人教版英语九年级全册

Unit13SectionB（3a-SelfCheck）教学目标1．复习并巩固本单元出现的重点词汇和短语。2．学习并掌握重点句型：(1)

Whichpartsmaybelessniceandneedtobeimproved?(2)

Givesuggestionsorpossiblewaystosolvetheproblems.3.学会写关于所在城市环境问题以及个人建议的信件。教学难点1.复习现在进行时、usedto句型、被动语态、现在完成时和情态动词。2.将读写任务结合起来锻炼写作及对语言综合运用能力。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…hadbetter...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…写作指导

本次写作内容是一封书信，信中首先要介绍你所在城市存在有哪些环境问题，是谁造成的这些问题，然后提出解决这些环境问题的方法和措施，可以结合3a中列举的问题和前面学过的解决办法来完成这封信。OnepossibleversionShowTimeWhichisthebest?

评分表

项目标准自我评价同伴评价教师评价结构（3分）段落合理（2

分）衔接自然(1分)内容（8分）要点1:当今的环境问题（2分）要点2:你的建议（3分）要点3:呼吁（1分）拓展合理(2分)语言（3分）词汇丰富(1分)句法正确，语言优美(2分)卷面（1分）书写工整（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