1、Topic 3How old are you? Section B,Unit 1 Making New Friends,A: Hello, I am Kangkang. Whats your name?B: My name is Lily.A: How old are you?B: I am thirteen.A: What class are you in?B: I am in Class Three, Grade Seven.A: Whos that ?B: Thats Maria.,Lets review.,This is a CD.,This is a TV.,Whats this i
2、n English? Its a pencil.,an apple,Whats this in English?Its ,an eraser,a book,a map,a和an的区别,1. a 用在以辅音音素开头的单词前。 例如：a book， a desk,2. an 用在以元音音素开头的单词前。 例如：an egg， an apple,你知道吗？,a/an被称作不定冠词，用在单数可数名词前，表达某一个人或事物中的一个，相当于汉语的“一”， 但不强调数目概念。a/an用法的区别：,a car,a pencil,a pen,a book,a map,an apple,an apple,an o
3、range,an egg,an eraser,apple,ruler,pencil,desk,a,a,a,an,eraser,an,A: Whats this in English?B: Its an eraser.A: How do you spell it?B: E-R-A-S-E-R, eraser.,Lets say together.,Section B,Look, listen and say.,Excuse me, whats this in English?,Its an eraser.,（视频P19-1a）,map,desk,pen,pencil,eraser,A: What
4、s this in English?B: Its a pen.A: How do you spell it?B: P-E-N, pen.A: Thank you.B: Thats OK.,A: Whats that in English?B: Its a toy.A: Can you spell it, please?B: Yes. T-O-Y, toy.A: Thanks.B: Youre welcome.,book,How do you spell it?,Whats that in English?,Its _.,B-O-O-K, _.,a book,A: Whats this in E
5、nglish?B: Its A: How do you spell it?B:,a pen.P-E-N, pen.,a pencil-box.P-E-N-C-I-L-B-O-X, pencil-box.,a book.B-O-O-K, book .,an eraser.E-R-A-S-E-R, eraser.,a ruler.R-U-L-E-R, ruler.,Listen and complete the conversations.,A: Excuse me , whats _ in English?B: Its _ pencil.A: How do you spell it?B: P-E
6、-N-C-I-L, _.A: Thank you.B: _ _.,a,pencil,Youre welcome,this,(录音P19-1b),A: Excuse me, whats _ in English?B: Its _ apple.A: _ _ _ _, please?B: Yes, A-P- P-L-E, apple.A: _.B: Thats OK.,an,Can you spell it,Thanks,that,Whats this/that in English?Its a/an How do you spell it? / Can you spell it?,Practice
7、,Listen and complete the conversation with the correct words. Then practice with your partner.,Is that a toy, too?,An eraser? Wow!,No, its an _.,No, it isnt. Its a _.,Is this a _?,（视频P20-2a）,telephone,toy,eraser,That is a toy. Is that a toy?,你发现他们有什么规律了吗？,This is an eraser. Is this an eraser?,be动词的位
8、置发生了变化。句型也由陈述句变成了一般疑问句。,A: Is this an eraser?B: Yes, _.A: Thank you.,A: Is that a pen?B: No, _. It is a pencil.,it is,it isnt,A: Is that a desk?B: Yes, it is.,A: Is this an orange?B: No, it isnt. Its an apple.,A: Is he Tom Cruise?B:A:B: No, he isnt. He is from America.,Yes, he is.,Is he from England
9、?,A: Whats this in English?B: Is it a/an ?,Example:Whats this in English?Is it a/an ?Yes, it is. How do you spell it? / No, it isnt. Please try again.,Touch and guess what it is with eyes covered. Use sentences of identifying objects.,Lets play a game.,Sum up,Patterns : Whats this/that in English? Its a/an How do you spell it? / Can you spell it? Is this/that a/an ? Yes, it is. / No, it isnt.2. New words: a/an, spell, can, please,（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/2a，自编两则对话。,Homework,Good-bye!,
