Unit4ThenandnowA.Let’stalk第一頁，共十七頁。let'sspellis---are---go---can---see---watch---read---look---waswerewentcouldsawwatchedreadlooked第二頁，共十七頁。starsCanyouseethestarsduringtheday?Yes,Ican.No,Ican’t./Icanseestarsatnight.第三頁，共十七頁。Doyouknowthenameofthisstar?It’sveryeasy.第四頁，共十七頁。IcanlookitupontheInternet.lookup

查閱Internet

互聯(lián)網(wǎng)第五頁，共十七頁。lookitupontheInternetlookitupinthedictionarylookitupinthebook第六頁，共十七頁。friendstarIlikethemoon.OnedayI’mgoingtovisitthemoon.moon第七頁，共十七頁。CanadiansChineseAmericansWhohavebeentothemoonin1969?1969nineteensixty-nineTheAmericanstookaboutfivedaystogettherein1969.第八頁，共十七頁。Tellusaboutyouroldschool,please.第九頁，共十七頁。A：Therewasnolibraryinmyoldschool.B：TherewasabigTVinmyoldclassroom.C：TherewerenocomputersorInternetinmyoldschool.D：Therewasonlyonesmallbuildingnearthehill.找出一個錯誤的選項(xiàng)！第十頁，共十七頁。Therewasonlyonesmallbuildingnearthehill.

Therewasnolibraryinmyoldschool.

TherewerenocomputersorInternetinmyoldschool.第十一頁，共十七頁。nowfiveyearsagoTheschoolwas____fiveyearsago.Theschoolis____now.oldnewThedeskswere____fiveyearsago.Thedesksare____now.oldnewThe_____wasoldfiveyearsago.The_____isnewnow.單數(shù)The_____wereoldfiveyearsago.The_____arenewnow.復(fù)數(shù)lightschairswallsblackboardteachers’desk第十二頁，共十七頁。自讀課文，并回答下列問題：Wastherealibraryingrandpa’soldschool?Whatwasgrandpa’sschoollike?WhendidtheAmericansgotothemoon?第十三頁，共十七頁。G:Wow,alibrary!Therewasnolibraryinmyoldschool.S:Tellusaboutyourschool,please.G:Therewasonlyonesmallbuildingonahill.W:Couldyouseestarsatnight?G:Yes,Ilikedthestars.第十四頁，共十七頁。S:Metoo.OnedayI’mgoingtovisitthemoon.W:TheAmericanstookaboutfivedaystogettherein1969.S:Howdoyouknowthat?W:Easy,IlookeditupontheInternet.G:Ah!TherewerenocomputersorInternetinmytime.第十五頁，共十七頁。G:Wow,alibrary!Therewasnolibraryinmyoldschool.S:Tellusaboutyourschool,please.G:Therewasonlyonesmallbuildingonahill.W:Couldyouseestarsatnight?G:Yes,Ilikedthestars.S:Metoo.OnedayI’mgoingtovisitthemoon.W:TheAmericanstookaboutfivedaystogettherein1969.S:Howdoyouknowthat?W:Easy,IlookeditupontheInternet.G:Ah!TherewerenocomputersorInternetinmytime.Wha