Unit1Topic3SectionA

Unit1TheChangingWorldTopic3Theworldhaschangedforthebetter.SectionA,-Haveyou_beentoBeijing?-Yes,Ihave.Ihave_comeback.,ever,just,.,-HowlonghaveyoubeeninBeijing?,-Ihavebeentheretwoweeks.,_,for,WhocandescribeBeijing?,Inthepast,Nowadays,NewYork,WhattookplaceinNewYork?,Listento1aandtickwhatwasmentioned.,1aListen,lookandsay,ReadthedialogLanguagepoints,幻灯片8,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.Shehasworkedintheschoolsince1995.,since1995,worked,since+时间点,e.g.HehaswaitedforTomsincetwohoursago.,sincetwohoursago,8:00,since+时间段+ago,10:00,Ihaveworkedintheschoolforfiveyears.=Ihaveworkedintheschoolsincefiveyearsago.=Ihaveworkedintheschoolsince2009.=IhaveworkedheresinceIcametotheschool.,for+时间段,since+时间段+ago,since+时间点,since+从句,3Lookcarefullyandthinkaboutthedifferencesbetweensinceandforin1a.Thencompletethesentenceswithsinceorforandlistenandcheck.,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.Everyyearmillionsofvisitorscometoenjoythe_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