1、What class are you in?Section BUnit 1 Topic 3 T:Whats this in English?S:Its an apple.PPT模板： PPT课件： this in English?S:Its an egg.a cara pencila pena booka mapa blackboardan applean orangean eggan erasera和an的区别1.a 用在以辅音音素开头的单词前。用在以辅音音素开头的单词前。例如：例如：a book;a desk2.an 用在以元音音素开头的单词前。用在以元音音素开头的单词前。例如：例如：an
2、 egg;an appleapplepencilbookdeskaaaaneraserpentoymapaaaan1aLook,listen and say1b Complete the conversations and then practice with your partner.A:Excuse me,whats _ in English?B:Its _ pencil.A:How do you spell it?B:_,pencil.A:Thank you.B:_ _.aP-E-N-C-I-LYoure welcomethisA:Excuse me,whats _ in English
3、?B:Its _ apple.A:_ _ _ _,please?B:Yes.A-double P-L-E,apple.A:_.B:Thats OK.an Can you spell itthatThanksWhats this in English?Its a/an How do you spell it?2aLook,listen and sayA:Is this an eraser?B:Yes,_.A:Thank you.A:Is that a pen?B:No,_.It is a pencil.it isit isntA:Is that a desk?B:Yes,it is.A:Is t
4、his an orange?B:No,it isnt.Its an apple.A:Whats this?B:Is it a/an?Do you know this game?Example:Class:Whats this in English?Jane:Is it a/an?Class:Yes,it is./No,it isnt.Its a/an Play this game after the example.Guess the objects by touching them.Class activitySum up1.Patterns:Whats this/that in English?Its a/an How do you spell it?Is this a/an?Yes,it is./No,it isnt.2.New words:a/an,spell,can,please,double etc.（1）总结：在学过的名词中，哪些前面加a，哪些前面加an。（2）参考1a，自编两则对话，写在作业本上。Homework
