九年级英语上册 Unit 1 Topic 3 The world has changed for the better Section A课件 （新版）仁爱版.ppt

Unit1TheChangingWorldTopic3Theworldhaschangedforthebetter.SectionA,-Haveyou_beentoBeijing?-Yes,Ihave.Ihave_eback.-No,Ihavent.Ihave_beenthere.2.-HowlonghaveyoubeeninBeijing?-Ihavebeentheretherefortwoweeks.-Ihavebeentheresincelastweek.,ever,just,never,WhocandescribeBeijing?,Inthepast,Nowadays,NewYork,WhattookplaceinNewYork?,Asamatteroffact/Infact,Lucyisgoodatdancing.,Asamatteroffact/Infact,Iamstrong.,asamatteroffact=infact,1bListento1aandtickwhatwasmentionedaboutNewYork.,1aListen,lookandsay,1cWorkinpairsanddescribeNewYorktoyourpartnerbasedon1b.Youmaystartlikethis:,A:HowmuchdoyouknowaboutthetrafficinNewYork?B:Iheardthatthetraffictherewasterrible.Doyouhaveanyideasaboutthestreetsthere?A:,Completethesentenceswithsinceorfor.1.YouhavebeeninNewYork_alongtime.2.Thecityhasimprovedalot_Icamehereafewyearsago.,for,since,YouhavebeeninNewYorkforalongtime.,foralongtime,cametoNewYork,sb.have/hasbeenin.某人一直在,e.g.Ihavebeeninthenewschoolforaweek.,foraweek,lastweek,for+时间段,.,butthecityhasimprovedalotsinceIcamehereafewyearsago.,sinceIcamehereafewyearsago,camehere,since+从句（从句谓语动词用过去式）,e.g.Sheworksintheschoolsince1995.,since1995,lived,since+时间点,e.g.HehaswaitedforTomsincetwohoursago.,sincetwohoursago,8:00,since+时间段+ago,10:00,Ihaveworkedintheschoolforthreeyears.=Ihaveworkedintheschoolsincethreeyearsago.=Ihaveworkedintheschoolsince2011.=IhaveworkedheresinceIcametotheschool.,for+时间段,since+时间段+ago,since+时间点,since+从句,3Lookcarefullyandthinkaboutthedifferencesbetweensinceandforin1a.Thenpletethesentenceswithsinceorforandlistenandcheck.,1.IhavelivedinBeijing_threeyears._2011.2.HehaswaitedforTom_twohoursago._twohours.3.Wehavelearnedchemistry_onemonth._thenewtermbegan.,for,for,for,since,since,since,n.化学,n.学期,Fillintheblankswithfororsince.1.Hisfatherhasbeendead_hewastenyearsold.2.Michaelhasbeenawayfromthearmy_sixyears.3.HehasbeeninChongqing_2003.4.Mybrotherhashadacar_twomonths.5.Tomhaskeptabook_5:00a.m.,since,for,since,for,since,2Listentothepassageandfillintheblankswiththecorrectformsofthegivenwordsorphrases.,BroadwayisastreetinNewYork.Ithasbeenthere_1811.It_bedirty.Butit_sincethe1920s.TheareanearTimesSquareisthehomeofBroadwaytheaters.Therehavebeenmanyfamous_alongthestreetformanyyears.Alotofartistsperformplays,concertsandoperasthere.Everyyearmillionsofvisitorsetoenjoythe_musicanddanceonBroadway._,BroadwaystandsfortheAmericantheatreindustry.,since,usedto,theaters,wonderful,Asamatteroffact,hasimproved,n.艺术家,n.参观者,n.产业，工业,theaterusedtoimprovewonderfulasamatteroffactsince,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.产业，工业,n.产业，工业,n.参观者,n.参观者,millionsof用法：在英语中hundred,thousand,million,billion等词，当其前面有数词时，它们不加“s”使用，其后也不用介词of.直接跟可数名词的复数形式。如：fivemillionpeople五百万人当表达不确定数字时，在它们后面加上“s”再加介词of使用。后接可数名词的复数形式，表示“数百”“数千”“数百万”“数十亿”。如：millionsofpeople数百万人,4Workingroupsandtalkabouttheplaceyoulive.Comparetodayssituationwiththatofthepast.Thefollowingdialogsmayhelpyou.,A:Ihavebeeninfor/sinceB:Howdoyoulikelivingthere?A:Itis/Verygood./IreallyB:Wasthelocaltrafficterrible/good/?A:Yes./No,itwas/usedtobeinthepast,andnowitisB:,Letsmakeareport.,likethis:Ihavebeeninfor/sinceItisIreallylikelivingthere.Itusedtobeinthepast,andnowitis,Summary:,Welearn:,Wecan:,1.Somewords:block,artist,visitor,industry,chemistry,term2.Somephrases:asamatteroffact,millionsof3.Somesentences:1.Youwillgetusedtoitverysoonifyoue.2.Asamatteroffact,itsawonderfulplacetolive.3.Youmusteforavisit.4.ThenyoucanseeNewYorkyourself.,UsethePresentPerfectTensewithforandsince.1.YouhavebeeninNewYorkfora