Unit 6,Happy birthday,Introduce,When is your birthday,Words,one /wn/ 数词,表示“一个人或物”;也可以表示“时间、岁数。,小练习:看图选择正确单词。 A. two B. one,eg:I have one apple , but he has two apples. 我只有一个苹果,而他有两个,B,Words,two /tu/ 数词,表示“两个人或物”;后面的名词要用复数,小练习:看图选词填空: I can see _. A. two B. one,eg: I have two sisters. 我有两个姐姐。 He has two cars. 他有两辆小洗车,A,Words,three /ri/ 数词,表示“三个人或物”;后面的名词要用复数,小练习:数字4前一个数字是:_ A. three B. four,eg: I have three brothers. 我有三个哥哥。 He has three bags. 他有三个书包,A,Words,four /fr/ 数词,表示“四个