英语初中一年级 七上U1T3SB.ppt

A: Is this an eraser? B: Yes, _____. A: Thank you. A: Is that a pen? B: No, _______. It is a pencil. it is it isn’t Listen and complete the conversation with the correct words. Then practice with your partner. Is that a toy, too? An eraser? Wow! No, it’s an _______. No, it isn’t. It’s a ____. Is this a _________? （视频P20-2a） telephone toy eraser （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 A: What’s this in English? B: It’s 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. What’s this/that in English? It’s a/an … How do you spell it? / Can you spell it? … Practice （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 Topic 3 How old are you? Section B Unit 1 Making New Friends A: Hello, I am Kangkang. What’s 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: Who’s that ? B: That’s Maria. Let’s review. This is a CD. This is a TV. What’s this in English? It’s a pencil. an apple What’s this in English? It’s … 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 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 orange an egg an eraser apple ruler pencil desk a a a an eraser an A: What’s this in English? B: It’s an eraser. A: How do you spell it? B: E-R-A-S-E-R, eraser. Let’s say together. Section B Look, listen and say. Excuse me, what’s this in English? It’s an eraser. （视频P19-1a） map desk pen pencil eraser A: What’s this in English? B: It’s a pen. A: How do you spell it? B: P-E-N, pen. A: Thank you. B: That’s OK. A: What’s that in English? B: It’s a toy. A: Can you spell it, please? B: Yes. T-O-Y, toy. A: Thanks.