五年级上册英语课件-Unit 3《My birthday》第1课时牛津上海版（三起） (共28张PPT)

Unit 3　第1课时 五年级 Let's say January February March June May April Let's say July August September October November December Ask and answer S1:When is Children's Day/...? S2: It's in... Children's Day Women's Day Mother's Day Teachers' Day the Spring Festival S1:When is Children's Day/...? S2: It's in... Look and learn 1st first 11th eleventh 21st twenty-first 2nd second 12th twelfth 22nd twenty-second 3rd third 13th thirteenth 23rd twenty-third 4th fourth 14th fourteenth 24th twenty-fourth 5th fifth 15th fifteenth 25th twenty-fifth 6th sixth 16th sixteenth 26th twenty-sixth 7th seventh 17th seventeenth 27th twenty-seventh 8th eighth 18th eighteenth 28th twenty-eighth 9th ninth 19th nineteenth 29th twenty-ninth 10th tenth 20th twentieth 30th thirtieth 31st thirty-first 我发现 序数词：表示顺序的词称为序数词。 从第一至第十九 其中，one— first， two— second， three— third， five— fifth，eight—eighth，nine—ninth，twelve— twelfth为特殊形式，其他的序数词都是由其相对应的基数词加后缀“th”构成。例如： six— sixth、nineteen— nineteenth． 我发现 从第二十至第九