七上U1T3SB (2).ppt
Topic 3How old are you? Section BUnit 1 Making New FriendsA: 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 in English? Its a pencil.an appleWhats this in English?Its an erasera book a mapa和和an的区别的区别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 egg， an applea/an被称作不定冠词，用在单数可数名词前，表达某一被称作不定冠词，用在单数可数名词前，表达某一个人或事物中的一个，相当于汉语的个人或事物中的一个，相当于汉语的“一一”， 但不强调但不强调数目概念。数目概念。a/an用法的区别：用法的区别：a cara pencila pena booka mapan applean applean orangean eggan eraserapplerulerpencildeskaaaaneraseranA: 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 BLook, listen and say.Excuse me, whats this in English?Its an eraser.（视频（视频P19-1a）mapdeskpenpencileraserA: Whats 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.bookHow do you spell it?Whats that in English?Its _.B-O-O-K, _.a bookA: Whats this in English?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-N-C-I-L, _.A: Thank you.B: _ _.apencilYoure welcomethis(录音录音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.anCan you spell itThanksthatWhats this/that in English?Its a/an How do you spell it? / Can you spell it?PracticeListen 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（视频P20-2a）telephonetoyeraserThat is a toy. Is that a toy?This is an eraser. Is this an eraser?be动词的位置发生了变化。动词的位置发生了变化。句型也由陈述句变成了一般疑问句。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 isit isntA: 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?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.Sum up1. 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。
