英语人教版六年级下册unit four Then and now

Unit4,Thenandnow,A.Letstalk,letsspell,is-are-go-can-see-watch-read-look-,was,were,went,could,saw,watched,read,looked,stars,Canyouseethestarsduringtheday?,Yes,Ican.,No,Icant.,/,Icanseestarsatnight.,Doyouknowthenameofthisstar?,Itsveryeasy.,IcanlookitupontheInternet.,lookup查阅,Internet互联网,lookitupontheInternet,lookitupinthedictionary,lookitupinthebook,friend,star,Ilikethemoon.OnedayImgoingtovisitthemoon.,moon,Canadians,Chinese,Americans,Whohavebeentothemoonin1969?,19,69,nineteensixty-nine,TheAmericanstookaboutfivedaystogettherein1969.,Tellusaboutyouroldschool,please.,A：Therewasnolibraryinmyoldschool.,B：TherewasabigTVinmyoldclassroom.,C：TherewerenocomputersorInternetinmyoldschool.,D：Therewasonlyonesmallbuildingnearthehill.,找出一个错误的选项！,Therewasonlyonesmallbuildingnearthehill.Therewasnolibraryinmyoldschool.TherewerenocomputersorInternetinmyoldschool.,now,fiveyearsago,Theschoolwas_fiveyearsago.Theschoolis_now.,old,new,Thedeskswere_fiveyearsago.Thedesksare_now.,old,new,The_wasoldfiveyearsago.The_isnewnow.单数,The_wereoldfiveyearsago.The_arenewnow.复数,lightschairswalls,blackboardteachersdesk,自读课文，并回答下列问题：,Wastherealibraryingrandpasoldschool?Whatwasgrandpasschoollike?WhendidtheAmericansgotothemoon?,G:Wow,alibrary!Therewasnolibraryinmyoldschool.S:Tellusaboutyourschool,please.G:Therewasonlyonesmallbuildingonahill.W:Couldyouseestarsatnight?G:Yes,Ilikedthestars.,S:Metoo.OnedayImgoingtovisitthemoon.W:TheAmericanstookaboutfivedaystogettherein1969.S:Howdoyouknowthat?W:Easy,IlookeditupontheInternet.G:Ah!TherewerenocomputersorInternetinmytime.,G:Wow,alibrary!Therewasnolibraryinmyoldschool.S:Tellusaboutyourschool,please.G:Therewasonlyonesmallbuildingonahill.W:Couldyouseestarsatnight?G:Yes,Ilikedthestars.,S:Metoo.OnedayImgoingtovisitthemoon.W:TheAmericanstookaboutfivedaystogettherein1969.S:Howdoyouknowthat?W:Easy,IlookeditupontheInternet.G:Ah!TherewerenocomputersorInternetinmytime.