剑桥少儿英语二级下Unit_8_Who_is_the_first

Unit8Whoisthefirst?二、单元学习1．Listenandcircle.Howmanyballoonscanyousee?Icanseefiveballoons.Howmanyapplescanyousee?Icanseethreeapples.Howmanybookscanyousee?Icanseetenbooks.Howmanykangarooscanyousee?Icanseefourkangaroos.Howmanycarscanyousee?Icanseeeightcars.Howmanycarscanyousee?Icanseefifteencars.Howmanypeachescanyousee?Icanseeninepeaches.Howmanykitescanyousee?Icanseesixkites.zeroonetwothreefourfivesixseveneightninezerofirstsecondthirdfourthfifthsixthseventheighthninthHeisthefirst.Heisthesecond.Heisthethird.2．Lookandsay.Whoisthefirst,thesecondandthethird?3．Let’ssingandpoint.Thisisthefirst.Thisisthesecond.Thisisthethird.Thisisthefourth.Thisisthefifth.Thisisthesixth.Thisistheseventh.Thisistheeighth.Thisistheninth.Thisisthetenth.表示次序的数词叫序数词，是由基数词变化而来的。基数词序数词onefirst1sttwosecond2ndthreethird3rd其余的序数词是由基数词后加-th变化而来。缩写几个特殊变化的序数词基数词序数词缩写fivefifth5thtwelvetwelfth12theighteighth8thnineninth9th整十的序数词把y变成i加-eth基数词序数词缩写twentytwentieth20ththirtythirtieth30thfortyfortieth40thfiftyfiftieth50th你能写出sixtyseventyeightyninety的序数词吗？firstsecondthirdTomPeterSamWhoisthefirst？LiuXiangisthefirst.基数变序数口诀：第一、二、三要全变，（即first，second，third没有规律，需死记硬背）其它th加后边，（基本规律是在词尾加th）加th时有例外，你需格外记明白：八减t，(eight-eighth)九去e，(nine-ninth)字母f代ve，(five-fifth,twelve-twelfth)ty变成tie，(即以ty结尾的整十数把ty变成tie：twenty-twentieth,thirty-thirtieth....)然后再加th，若是遇到两位数，十位基数个位序。注意：序数词前必须加定冠词theThefirstThefifthThetenthWhoisthefirst?Amyisthefirst.Amyisfirst.Amyisafirst.(T)(F)(F)twenty_____twentieth变ty为tie加thTwentyoneTwenty-firstTwenty-threeTwenty-thirdThirty-fourthirty-fourth4．Readandpractise.Newwords:firstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentiethHowmanyfloorsarethere?buildingapartmentIliveonthethirdfloorWhichfloordoyouliveon？Whichfloordoyouliveon?Iliveonthe__floor.firstsecondthesecondThethirdTheeighthThefirstThetenththeninththefirstThefourthThesecondThefifthThesixthTheseventhThethirdThefourthThesecondthefifthThethirdTheeighthThefirstthesecond5．Read,chooseandretell.答案：1)on2)using3)behelped4)were5)fell6)chose6．Look,readandanswer.答案：first,children,happy,girl,school,happy,first,greet.7．Lookandsay.Whoisthefirsttospotthedifferences?8．Pairwork.Askandanswerinpairs.1)Whoisthefirstpersontogetupinyourfamily?2)Whoisthefirstpersontogotobedintheevening?3)WhoisthefirstpersontowatchTVinyourfamily?4)Whoisthefirstpersontoreadanewspaperathome?5)Whoisthefirstpersontoleavethehouse?6)Whoisthefirstpersontocomehome?7)Whowasthefirstpersontoknowsomethingaboutacomputer?8)WhowasthefirstpersontolearntosinganEnglishsongathome?9．Lookandmake.Makeasingingballoon!1)Getabigballoon.2)Findasmallcoin.3)Putthecoininsidetheballoon,andblowitup.4)Tieitup,andmoveitincircles.5)Moveitslowlyandlisten.What’sthesound?6)Moveitquicklyandlisten.What’sthatsound?三、单元小结1．Words.first,second,third,fourth,fifth,sixth,seventh,eighth,ninth,tenth,eleventh,twelfth,thirteenth,fourteenth,fifteenth,sixteenth,2.Sentences.(1)Whoisthefirst?(2)Whoisthesecondandthethird?(3)Thisisthefirst.(4)Whichfloordoyouliveon?(5)Iliveontheninthfloor.(6)Whatarethedifferences?(7)Whoisthefirstpersontogetupinyourfamily?