课件28张PPT。Unit 4 How old are you?How old are you?I’m one.How old are you?I’m two.How old are you?I’m three.How old are you?I’m four.How old are you?I’m five.onetwothreefourfiveonetwothreefourfiveonetwothreefourfive连线：I’m six.How old are you?I’m seven.How old is WangYidan?She is eight.How old is she?She is nine.tensixseveneightnineten连线：Let’s count 1 to 10.Let's sing.她八岁。他十岁。听一听,说出病人的姓名和年龄。
