人教新目标版九全英语 Unit13 SectionB 3a~SelfCheck 教学课件

Unit13

Wearetryingtosavetheearth!SectionB3a~SelfCheck九年级全一册

人教版LearningGoalsWarmingUpWritingSummarySelfCheck112345通过本课的学习，学生能够：①能够应用本单元所学词汇短语句型，根据本单元话题保护环境，给市长写一封信你所在的城市存在的环境问题并给出你的建议。②巩固这一个单元学过的重点词汇和短语。LearningGoalsWarmingUp活动：校园环保标语征集小组合作，针对目前校园中存在的不环保现象设计至少三条标语，并制成海报。以下标语提示句型可供参考：Don’t...Weshould...Wecan’t/shouldn’t...,or...Ifwe...,ourworldwill...1.TopicPre-writingRead3bandtellwhatwearegoingtowritetoday.主题：文体：人称：时态：要点：介绍环保现状并提出环保建议应用文（书信）描述问题时第三人称为主，介绍具体措施时第一人称为主一般现在时介绍当前环境现状，产生这些问题的原因以及如何解决2.Structure开头：正文：结尾：引入主题，说明存在环境问题具体描述环境问题、产生的原因以及解决方法总结全文，表达期望Part1Part2Part32.Writethe

beginning.（facts）1.Write

thebody.(giveadvice)3.

Writetheending.

(callon)Matchthefunctionwitheachpart.3.WordsandExpressions3a.Thinkabouttheenvironmentinyourtown/cityandcompletethechartbelow.Whichpartsofthetown/cityhaveaniceenvironment?Whyaretheynice?Whichpartsneedtobeimproved?Why?GoodenvironmentWhy?BadenvironmentWhy?3b.Writealettertothecitymayorabouttheproblemsandyoursuggestions.Inyourletter,describetheenvironmentalproblemsinyourtown/city.Whataretheproblems?Wherearethey?Whatorwhoiscausingtheseproblems?Then,givesuggestionsorpossiblewaystosolvetheproblems.Ithinkthat...Weshould/could...Isuggest.../ˈmeɪər/n.

市长Suggestedanswers:GoodenvironmentWhy?BadenvironmentWhy?CentralParkclean,freshair,fullofgreenplants,quietandpeacefulrubbishdisposalareasatthebottomofapartmentblocksrubbishspillingoutofthebins,badsmells,unhealthy,fullofpests（害虫）

经典词句单词environment,importance重要性,

save,energy,reduce,pollution,transportation交通,cause,protect短语environmentalprotection,inourdailylife,inorderto目的是,bybike/bus,insteadof代替，而不是,plasticbags句子1.Weshould...2.Itisnecessaryforusto...3.Itisbetter...4.Thereare...5.疑问词+动词不定式1.Everyoneinthistownshouldplayapartincleaningitup.2.Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.3.Theriverusedtobesoclean.4.Let’stakeactionnow!5.Allthesesmallthingscanaddupandbecomebigthingsthatcanimprovetheenvironment.GoodSentencesWriteapassageaccordingtotheinformationmentionedabove.Payattentiontoyourspelling,grammarandstructure.While-writingPost-writingNow,youcanexchangeyourwritings

withyourpartnerstocheckeachother’swriting.范文赏析（林楚婷广东实验中学)用it’s+adj.+forsb.todosth.句型承上启下，为下文提出环保建议做铺垫Dearcitymayor,Atpresent,therearemoreandmoreenvironmentalproblemsinourcity.

Soit’simportantforustostartwithsmallthingstochangethesituation.

Firstofall,weshouldcallonpeopletodevelopthehabitoftravellingwithlowcarbon,likechoosingpublictransport.Secondly,ascitizens,wearesupposedtokeepgoodlivinghabitsinthedailylife,suchastakingashortshowertosavewaterandturningofflightstosaveenergy.Moreover,wecanalsoorganizeactivitiestoencouragepeopletoplantmoretreestohelpimprovetheenvironment.巧用衔接词Firstofall,Secondly及Moreover,使得文章层次清晰，逻辑严密Inconclusion,it’shightimeforeveryonetotakeactiontoprotectourcity.Yours,LiHua结尾用it’shightimeforsb.todosth.句型呼吁人们保护环境，呼应主题1.Writedifferentformsofthewords.Thenaddmoretoeachgroup.v.—n.n.—adj.pollute—fame—act—wood—protect—science—inspire—health—build—south—create—care—

pollutionfamousactionprotectioninspirationbuildingcreationcreativitywoodenscientifichealthysoutherncarefulSelfCheckadj.—n.adj.—adv.different—slow—important—wide—sudden—real—differenceimportanceslowlywidelysuddenlyreally2.Matcheachstatementwiththegrammarstructure.StatementGrammarTheriverusedtobesoclean.PresentprogressiveWehaveseenmanychangesintheenvironment.ModalverbsPeopleshouldtakepublictransportationmore.PassivevoiceTheriverispollutedbyfactories.usedtoTheairpollutionisgettingworseandworse.Presentperfect3.Writewaystocutdownonthesekindsofpollution.Kindsofp