八年級英語下冊 Unit 8 A green world復(fù)習(xí)課件 （新版）牛津版.ppt

8AUnit8,NaturalDisasters,Doyouknowanyotherdisasters?Canyoutalkaboutthem?,Anearthquakemaymakethousandsofhousesfalldown.,Afloodcanwashmanyvillages、peopleandanimalsaway.,Lightningmaystartbigfireinacity.,(catchfire著火),fire,drought,thunderandlightning,typhoon,volcano,flood,snowstorm,earthquake,Acarcrashedintoatree.,Thedifference,Ataskaboutreading,earthquake,Before,shake,loud,fear,directions,nervous,tried,Finally,lucky,Answersomequestionsaboutthereading.1.Whendidtheearthquaketakeplace?2.CouldTimmyrunoutofthebuildingwhentherealnoisecame?3.WhatdidTimmytellhimselftodowhenhewastrapped?4.HowlongdidTimmystayinthebuilding?5.Whatcanwelearnfromthepassage?,Itwasabouttwooclockintheearlymorning.,No.,(Hetoldhimself)tocalmdown.,Forhours.,Whensomethingterriblehappens,weshouldkeepcalm/wemustbebrave/wehadbetterbewise.,Expressionsandimportantsentences,Answermorequestionsaboutthereading.1.WhatwasTimmydoingwhentheearthquaketakeplace?2.Whatwerepeopledoingwhilepiecesofglassandbrickswerefallingdown?3.WhathappenedasTimmywastryingtofindhiswayout?,Timmywassleepingwhentheearthquaketookplace.,Peoplewererunninginalldirectionswhilepiecesofglassandbrickswerefallingdown.,AsTimmywastryingtofindhiswayout,hesuddenlyheardsomenoiseabovehim.,過去進行時的用法和結(jié)構(gòu),過去進行時主要表示：在過去某一時刻正在進行的動作（a）Theywereeatingbreakfastat7:00amyesterday.（b）Iwaswritingaletterthistimeyesterday.在過去某一階段一直在進行的動作（a）From1983to1998,hewasteachingatYale.（b）Theywerebuildingabridgelastwinter.（c）HewaswatchingTVbetween8and10lastnight.,時間狀語thistimeyesterday,atthattime,atnineyesterdaymorning,thewholeafternoon,from6:00to8:00yesterdaymorning,鞏固練習(xí)1.What_yourbrother_(do)atnineoclocklastnight?2.They_(listen)tomusicatthattime.3.WhenIsawhim,he_(search)theInternet.4.They_(discuss)aprobleminthemeetingroomatthistimeyesterday.5._Amy_(visit)theScienceMuseumfrom9:00a.m.to11:00a.m.yesterday?,was,doing,werelistening,wassearching,werediscussing,Was,visiting,連詞while/when/as與過去進行時當(dāng)兩個延續(xù)性動詞(twolongactions)同時進行時，我們可以在兩個句子中都用過去進行時，并用while連接。1.Peoplewererunningwildlywhilepiecesofglassandbrickswerefallingdown.2.SuzywasmakingasnowmanwhileKittywasstandingbesideher.,當(dāng)延續(xù)性動作進行的同時也有別的動作發(fā)生,用when或while或as放在延續(xù)性動作之前連接兩動作,延續(xù)性動作(longaction)用過去進行時而短暫性動作(shortaction)用一般過去時.1.Theearthquakestartedwhile/when/asIwasdoingsomeshopping.2.IwastryingtofindmywayoutwhenIsuddenlyheardsomenoiseaboveme.,鞏固練習(xí)1.Mywalletdroppedontheground_Iwasrunning.2._Iwasfallingasleep,therewasaloudknockonthedoor.3._hewasreading,anearthquakestarted.4.Werethestudentslisteningtotheteachercarefully_theteacherwasgivingalesson?5.Wassheclearingupthedesk_thebellrang?,while/as/when,while,when,While/As/When,While/As/When,1.Whendidtheearthquakehappen?2.Howmanypeopledied?3.Howmanypeoplewerehurt?4.Howmanypeoplebecamehomeless?,Listening唐山地震錄音.mp3,InearlymorningonJuly28th,in1976.,Morethan250,000people.,About800,000people.,Severalmillionpeople.,OnJuly28,1976,anearthquakeh_thesleepingcityofTangshan,inNorthChina.Theverys_earthquakewasrareinChinaandkilledmorethan250,000people.LiMeiwasoneofthev_.Atthattime,LiMeiandherparentsweresleeping.Suddenly,thehousebegantoshake,thenthewindowsbrokeandthehousefelld_.Allherfamiliesweretrappedi_thehouse.Everyonewasinfearandscreamedforh_.Soon,thepolicearrived,andtheyf_LiMei.ShewasOK.H_,shewasveryfrightened.U_,thelegsofherparentswerebadlyhurt.Thepolicesentthemtotheh_atonce.,TheearthquakeinTangshan,it,erious,ictims,own,n,elp,ound,owever,nluckily,ospital,Speaking:Naturaldisasters,Tipsforsafety:A:Whenaflood/earthquake/fire.happens,whatshouldwedo?B:Weshould,Writing:Awayfromdanger,Homework,1.GooverthemainpointsofUnit8.2.Prepare8BUnit1.,Thanks!,