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1、Topic 3How old are you?Section BUnit 1Name:JackAge:14Tel:39095858From:EnglandClass:12Grade:9Lets review.a deska pena pencila booka busa boxa mapan applean orangean eggan erasera和和an的区别的区别1.a 用在以辅音用在以辅音音素音素开头的单词前。开头的单词前。例如：例如：a book，a desk2.an 用在以元音用在以元音音素音素开头的单词前。开头的单词前。例如：例如：an egg，an applea/an被称作被
2、称作不定冠词不定冠词，用在，用在单数可数名词单数可数名词前前,表示表示“一一(个、个、支、张、块支、张、块)”的意思。的意思。a/an用法的区别：用法的区别：【运用】【运用】请选用请选用a或或an完成下列句子或对话。完成下列句子或对话。1.It isnt _“u”.Its _“v”.2.Is that _ egg?Yes,its _ big egg.3.Whats this in English?Its _ English book.4.Its _“h”,not _“n”.aa anaananan a CD a TVWhats this in English?Its a pencil.an a
3、pplean erasera book a mapWhats this in English?Its 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 t
4、his in English?Its_.（影片影片1 1）an erasermapdeskpenpencilA: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_
5、.B-O-O-K,_.a bookListen and fill.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)A:Excuse me,whats _ in English?B:Its _ apple.A:_ _ _ _?B:Yes,A-P-P-L-E,apple.A:_.B:Thats OK.anCan you spell itThanksthatA:Whats this in E
6、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.Look,listen,fill and say.Is that a toy,too?An eraser?Wow!No,its an _.No,it isnt.Its a _.Is this a _?（影片影片2 2）telephonetoyeraserThat
7、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
8、:A:B:No,he isnt.He is from America.Yes,he is.Is he from England?Is this/that a/an?Yes,it is./No,it isnt.Its a/anI.Choose the right answer.1._ do you spell it,please?A.What B.How C.Where2.-Is that a car?-No,_.A.it isnt B.that is C.that isnt3.-This is _ eraser.-_ her eraser.A.a;Its B.an;Its C.an;ItsBA
9、C4.Its my ruler.(改为否定句改为否定句)It _ my _.5.Whats this _(用英语用英语)？Its _(一支铅笔一支铅笔)。isntrulerin Englisha pencilII.请选用请选用a/an完成下列句子。完成下列句子。1.She is _ English girl.2.It is _ good apple.3.Its _“m”,not _“w”.4.That is _ old car.5.This is my mom.She is _ teacher.anaanaanaIII.请根据所给情景用适当的词语完请根据所给情景用适当的词语完 成下列句子或对话
10、。成下列句子或对话。1.Excuse me,is this your toy?Yes,_ is.2.Whats that in English?_ a ruler.itIts3._ you _ it,please?Yes,I can.4._ that an egg?Yes,_ is.5.This _ a car,but its a bus.CanspellIsitisntExample: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