Unit4ThenandnowALet’stryLet'stalkByZhangHaizhuin199920yearsago5yearsagothesameschooldifferenttimesSchoolin2018Schoolin1968-Children,pleasewelcomeYifan'sgrandfathertotheclass.-Welcome!-Wow!Thisschoolisverydifferentfrommyoldschool.Therewerenocomputersatallbefore.-Really?Howdidyoulearn?-Welistenedtotheteachersandreadlotsofbooks.:Wow,alibrary!Therewasnolibraryinmyoldschool.:Tellusaboutyourschool,please.:Therewasonlyonesmallbuildingonahill.:Couldyouseestarsatnight?:Yes,Ilikedthestars.:Metoo.OnedayI’mgoingtovisitthemoon.:TheAmericanstookaboutfivedaystogettherein1969.:Howdoyouknowthat?:Easy,IlookeditupontheInternet.:Ah!TherewerenocomputersorInternetinmytime.′↗′↗′′︶′↗↗︶↘↗↘↘↘′′︶︶′//′′↗↘′′′↘↗′︶︶↘′′′′′↗↘//︶′︶//′↘︶↘ReadandimitateIhaveadream.OnedayI'mgoingto...TheAmericanstookaboutfivedaystogettherein1969.Itookabout10minitestogettoschool.Itookabout...to...:Wow,alibrary!Therewasnolibraryinmyoldschool.:Tellusaboutyourschool,please.:Therewasonlyonesmallbuildingonahill.:Couldyouseestarsatnight?:Yes,Ilikedthestars.:Metoo.OnedayI’mgoingtovisitthemoon.:TheAmericanstookaboutfivedaystogettherein1969.:Howdoyouknowthat?:Easy,IlookeditupontheInternet.:Ah!TherewerenocomputersorInternetinmytime.′↗′↗′′︶′↗↗︶↘↗↘↘↘′′︶︶′//′′↗↘′′′↘↗′︶︶↘′′′′′︶//′↘︶↘Step4:Roleplay1yearago...A:______changedalot!B:Therewas/were______before,thereis/are______now.C:Wecouldn't/could_______before,_____can____now.D:________before,_______now____.Welcometo____.Let'stalk最佳小组Homework1、Listentothetapeandread.(听录音跟读课文第34页)(必做)2、Practicetheconversationwithyourpartners.(与你的搭档练习这个对话)(必做)3、Talkaboutyourhometown’sorschool’schanges.(和你朋友用今天所学句型,相互谈谈家乡或学校的变化)(选做)