《sectiona》课件小学英语鲁教湘教版三年级起点六年级上册（2014年7月第1版）（23）

When is your birthday?,Unit 9,2,1,3,4,5,6,7,8,9,10,11,12,The first month of the year is,second,third,fourth,fifth,sixth,eleventh,seventh,eighth,ninth,tenth,twelfth,February,March,April,May,June,July,August,September,October,November,December,January.,1st first 2nd second 3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eighth 9th ninth 10th tenth,11th eleventh 12th twelfth 13ththirteenth 14th fourteenth 15th fifteenth 16th sixteenth 17th seventeenth 18th eighteenth 19th nineteenth 20th twentieth,21st twenty-first 22nd twenty-second 23rd twenty-third 24th twenty-fourth 25th twenty-fifth 26th twenty-sixth 27th twenty-seventh 28th twenty-eighth 29th twenty-ninth 30th thirtieth 31st thirty-first,Learn these numbers and find out the rules:,序数词变化规则,a.1至19的数字，在词尾加 th ( one,two,three除外） 如：four - fourth nine- ninth thirteen- thirteenth fifteen- fifteenth b 整十的数字：将词尾ty变成tieth,如:twentytwentieth thirty - thirtieth c 两位数时，十位数用基数词，个位数用序数词，23rd-twenty third 22nd-twenty second 31st-thirty first,Read the dates:,January the first,March the eighth,August the second,September the tenth,July the third,February the twelfth,October the twentieth,December the twenty-fifth,When is your birthday ? My birthday is /Its,Lilys birthday is on July 20th. Her .,Lily,When is Lilys birthday?,Jacks birthday is on April 1st. His .,Jack,When is Jacks birthday?,Edison Feb.11,1847,Lu Xun Nov.25,1881,Li Siguang Oct.26,1889,Newton Dec.25 1642,Nie Er Feb.14 1912,Curie Dec.7 186