添加微信：car4900，免费领小学资料Unit4WhenisEaster?PALet’slearn精讲精练【聚焦语法】认识序数词【表现形式】序数词一般在对应的基数词后加th构成，如fourth，sixth等，而有些序数词（如第一、第二、第三）还需要特殊记忆。为了书写简便，序数词还可以通过缩写形式来表示，其缩写形式为“对应的阿拉伯数字加上序数词的最后两个字母”，我们先看一看前五个基数词和序数词的变化和比较吧：one—first—1sttwo—second—2ndthree—third—3rdfour—fourth—4thfive—fifth—5th【基本用法】基数词常用在可数名词前面，表示数量，如：tenbananas;fivepeople等。序数词用来表示排列的顺序，前面通常需加“the”，如thesecondfloor，thefirstday。在表示日期时，由月份（可以简写）加上序数词来表示，如6月4日可以写为June4th/Jun.4th，读作June(the)fourth。有时基数词和序数词之间还可互换，如：LessonFive＝thefifthlessonRoom3＝thethirdroom【同步精练】一、根据句子意思选择恰当的单词填空。1.Todayismybrother’s______(five/fifth)birthday.添加微信：car4900，免费领小学资料最全小学资料，公众号：小学捡知识添加微信：car4900，免费领小学资料2.Thereare______(four/fourth)seasonsinayear.3.Mother’sDayisonthe_____(two/second)SundayinMay.4.Mylittlebrotheris_____(three/third)yearsold.二、单项选择。()1.Aprilisthe_____monthofayear.A.firstB.fourC.fourth()2.Mayisthe_____monthofayear.A.thirdB.fifthC.second()3.Sundayisthe_____dayofaweek.A.firstB.secondC.third()4.Thefifthdayofaweekis_____.A.ThursdayB.FridayC.Saturday()5.Thethirdmonthofayearis_____.A.JanuaryB.FebruaryC.March三、补全对话，把序号写在横线上。—Hi,John.1._________—Really?—Yes.AfterChildren’sDay,wehaveanEnglishparty.—2._____—It’sonJune10th.添加微信：car4900，免费领小学资料最全小学资料，公众号：小学捡知识A.WhenistheEnglishparty?B.Thatsoundslikealotoffun.C.WehaveafewfunthingsinJune.D.Whatwillyoudoattheparty?添加微信：car4900，免费领小学资料—3._____—I’llsinganEnglishsong.—4.______四、读一读，判断对错。Hi,IamMike.Therearefivepeopleinmyfamily.Mygrandma,myfather,mymother,meandmylittlepuppy.TherearethreebirthdaysinFebruaryandtwobirthdaysinSeptember.Mygrandma’sbirthdayisinFebruary.Mybirthd...
