Unit 1 Topic 3 SectionB课件- 2023-2024学年仁爱科普版英语七年级上册

Unit 1 Topic 3 How old are you? Section B 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 2. 剩下情况都用 a ，除了个别例子。 例如：a book， a desk 1. an 用在元音字母开头的单词前。 例如：an egg， an apple a/an，表达某一个人或事物中的一个，相当于汉语的“一”。 a/an用法的区别： a car a pencil a pen a book a map a toy a desk a ruler an apple an orange an egg an eraser a map an orange a book a ruler an apple a car a desk an eraser a toy a pencil 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 ! Excuse me, what’s this in English? It’s an eraser. map desk pen pencil eraser 1a Look and say. Wang Junfeng: Excuse me, what’s this in English? Jane: It’s an eraser. Wang Junfeng: How do you spell it? Jane: E-R-A-S-E-R, eraser. Wang Junfeng: Thank you. Jane: That’s OK. Wang Junfeng: What’s that in English? Jane: It’s a map. Wang Junfeng: Can you spell it, please? Jane: Yes. M-A-P, map. Wang Junfeng: Thanks. Jane: You’re welcome. 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. A: What’s that in English? B: It’s A: Can you spell it, please? B: a desk. D-E-S-K, desk. a car. C-A-R, car. a pencil. P-E-N-C-I-L, pencil . an eraser. E-R-A-S-E-R, eraser. a ruler. R-U-L-E-R, ruler. 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. Let’s try ! A: What’s this in English? B: It’s a toy. A: How do you spell it? B: T-O-Y, toy. A: Thank you. B: That’s OK. Let’s try ! Let’s try ! A: What’s that in English? B: It’s an egg. A: Can you spell it, please? B: Yes. R-U-L-E-R, ruler. A: Thanks. B: You’re welcome. Let’s try ! A: What’s that in English