Module 9 Population Unit 3-2 示范公開課教學課件（外研版八年級上冊）

Module9PopulationUnit3Languageinuse2Warming-upWorkinpairsandtalkabouttheproblemsinyourhometown.冠詞分為不定冠詞a/an、定冠詞the和零冠詞三種，零冠詞指的是不用冠詞的情況。Presentation1.不定冠詞有兩個：a和an。a用在讀音以輔音音素開頭的單詞前，an用在讀音以元音音素開頭的單詞前，泛指“一個”。e.g.abook,anapple不定冠詞通常用于第一次出現的可數名詞單數前。

e.g.Thereisabagintheroom.Thebagisheavy.2.定冠詞the用來特指某人或某物，也用于第二次出現的名詞前。e.g.Ihaveanicecat.Thecatiswhite.Grammar3.零冠詞1)在三餐、學科、語言、球類運動、棋類游戲和娛樂運動的名稱前，不加冠詞。e.g.havebreakfast/math/chemistry/basketball/chess2)在季節(jié)、月份、節(jié)日、假日、日期、星期等表示時間的名詞之前，不加冠詞。e.g.WegotoschoolfromMondaytoFriday.3)在表示人名，頭銜，職務，稱號前，在地名，國名，城市，街道，標題類和字首為Mount的山及大多數湖泊的專有名詞前不用冠詞。e.g.MountBlanc(白朗峰)

LakeBaikal(貝加爾湖)Presentation4)

泛指、類指的復數名詞，抽象名詞、物質名詞表示一般概念時常不加冠詞。e.g.Booksaremybestfriends.5)前面已有物主代詞、指示代詞、不定代詞、數量詞等時不再用冠詞。

如this,that,these,those,some,any,no,each,every，another,other,most,last,next,alotof,akindof等。6)固定搭配e.g.bybus,byplane,gottoschool,gotobed,inredPresentation1)If______weatherisfinetomorrow,wewillgotothepark.2)Ipreferplaying______pianotoplaying______basketball.3)At______ageoffive,hereadalotofbooks.4)TomandLucyareof______sameage.5)Tomorrowis______Teachers’Dayandwe’llmake______cardforourEnglishteacher.the/thethethe/aPracticeGrammarexercises6)______harderwestudy,______morewelearn.7)Thebusisrunningaboutseventymiles_____hour.8)Maryisinterestedin______science.9)Somepeopledon’tliketotalkat______table.10)LastnightIwentto______bedverylate.Thethe/an//PracticecountrysidepollutionpopulationspacetrafficOurworldisfacingmanyproblems.Twoofthebiggestaretheincreasingpopulationandpollution.The(1)__________oftheworldisincreasingquickly.Whyisthishappening?Becausemorebabiesareborneveryyearandpeoplealsolivelonger.populationPracticeCompletethepassagewiththewordsinthebox.Manypeopleareleavingthe(2)__________toworkinthecities,butthereisnotenough(3)_____forsomanypeople.Anotherhugeproblemfortheworldis(4)________.There’ssomuch(5)______ontheroadsthatinsomecitiestheairisheavilypolluted.Weshouldworkhardertoprotectourworld.countrysidespacepollutiontrafficPracticeallovertheworldclosedowninthefuturenot…anymoreittakes…全世界關閉；倒閉將來不再花費PracticeCompletethesentenceswiththeexpressionsinthebox.allovertheworldcloseddowninthefutureittakesnot…anymore1)Growingpopulationisaproblem

.2)ThepopulationofChinawillgrowmoreslowly

.allovertheworldinthefuturePractice3)Thesupermarket

whenabiggeroneopenedinthetown.4)Usually

anhourtogettherebybus.5)Thetownhadalotofpollutioninthepastbutitis

aproblem

.closeddownittakesnotanymorePractice

a)Itischeapertoshareacarthantohaveapersonalcar.b)Peopleinacarclubdonotoftentakebuses,trainsortheunderground.c)TherearenocarintheUS.d)Joiningcarclubisgoodforyouandforthecity.√Practice

Listenandchoosethebestsummary.1.Joiningacarclubischeaper/moreexpensivethanhavingapersonalcar.2.Peopleincarclubs

payfor/don’tpayforacarwhentheydrive.3.Peopleincarclubs

sometimes/nevertakeabusorrideabike.4.Peopleincarclubsprobably

are/arenothealthier.Practice

Listenagainandchoosethecorrectanswer.(1)Doyouliketoownacar?Whyorwhynot?(2)DoyouthinkcarclubswouldbepopularinChina?Why/whynot?Practice

Workinpairsanddiscussthisquestions.AroundtheworldWorldpopulationandwaterWithmoreandmorepeopleintheworld,moreandmorewaterisused.Infact,wateruseisgrowingmorethantwiceasfastastheworld’spopulation!Asaresult,gettinggood,cleanwaterisbecomingaprobleminmanyplaces.Practice

Alotofwaterispollutedandinmanyareaspeoplehavetowalkalongwaytogetcleanwaterfordailyuse.Morethan3.4millionpeopledieeachyearfromdrinkingandwashingwithpollutedwater.Solet’sdoeverythingwecantostopthepollutionandsavewater.Practice

Workingroups.Talkaboutwhatweshoulddotoprotectourwaterrecoursesindailylife.Practice

Groupwork1.

Withmoreandmorepeopleintheworld,moreandmorewaterisused.隨著世界上的人越來越多，越來越多的水被使用。moreandmore意為“越來越多的”。

“比較級+and+比較級”表示“越來越……”。

“the+比較級,the+比較級”表示“越……，就越……”。e.g.Learningbecomesmoreandmoredifficultaswegetolder.隨著年齡增長，學習變得越來越難。Practice

Languagepoints2.Asaresult,gettinggood,cleanwaterisbecomingaprobleminmanyplaces.因此，在許多地方獲取優(yōu)質而干凈的水正在成為一個問題。asaresult意為“結果，因此”。e.g.Hegotuplatetoday.Asaresult,hemissedthefirstbus.他今天起晚了，結果錯過了頭班車。Practice

3.Morethan3.4millionpeopledie

eachyearfrom

drinkingandwashingwithpollutedwater.每年有超過340萬人死于喝污染了的水和用污染了的水洗刷。

diefrom意為“死于”。e.g.Theoldmandiedfromacaraccident.那位老人死于一場事故。Practice

辨析：diefrom與dieofdiefrom表示“由于……而死”，主要指外傷、事故等外因或不明原因造成的死亡。dieof表示“因……而死”，主要指由饑餓、害怕、羞愧等內因造成的死亡。e.g.Insomeplaces,peoplediefromtrafficaccidents.在有些地方，人們死于交通事故。Shediedofhunger.她死于饑餓。Practice

Chooseacountryortownwhichinterestsyou.Itcouldbeyourhometown.Decidethepointsoftimeyouwanttolookat—forexample,now,tenyearsagoandtenyearsfromnow.Researchthepopulationofyourplaceinthoseyears.Writeyournotescarefully.ProductionWorkinpairs.Preparetomakeyourgraph.Decidehowyouwanttomakeyourgraph.Drawitandcolorit.Youcanalsomakeitonthecomputer.Labelitclearly.ProductionMakeyourgraph.ProductionWriteaparagraphtodescribeyourgraph.Presentyourgraphtotheclass.ProductionFillinthebankswiththecorrectformofthewordsandexpression.billionbirthfifthhugeincreasemakenotesofproblemreport1.Congratulationsonthe________