仁爱版七年级英语上册课件：Unit 1 Topic 3 Section B.ppt

1、Topic 3 How 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. What

2、s this in English? Its a pencil. an apple Whats this in English? Its an eraser a book a map a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 desk 2. 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 apple a/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“一”，个人或事物中的一个，相当于汉

3、语的“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 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: 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. Look, listen and say. E

4、xcuse me, whats this in English? Its an eraser. （视频（视频P19-1a） map desk pen pencil eraser A: 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: Yo

5、ure welcome. book How do you spell it? Whats that in English? Its _. B-O-O-K, _. a book A: 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. Liste

6、n 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: _ _. a pencil Youre welcome this (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: Th

7、ats 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 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

8、 a _? （视频（视频P20-2a） telephone toy eraser That 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 is it isnt A: Is that a desk? B: Yes, i

9、t 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 a

10、gain. Touch and guess what it is with eyes covered. Use sentences of identifying objects. Sum up 1. 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。