《What class are you in?》SectionB PPT
第一部分内容：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
Complete the conversations and then practice with your partner.
A: Excuse me , what’s ____ in English?
B: It’s _____ pencil.
A: How do you spell it?
B: _____________, pencil.
A: Thank you .
B: ______ ___________.
A: Excuse me, what’s ________ in English?
B: It’s _____ apple.
A: ____ ____ ____ ____, please?
B: Yes. A-double P-L-E, apple.
A: ________.
B: That’s OK.
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《What class are you in?》PPT，第二部分内容：Class activity
Play this game after the example. Guess the objects by touching them.
Example:
Class: What’s this in English?
Jane: Is it a / an …?
Class: Yes, it is. /No, it isn’t. It’s a / an …
... ... ...
《What class are you in?》PPT，第三部分内容：Sum up
1.Patterns :
What’s this / that in English?
It’s a / an …
How do you spell it ?
Is this a /an …?
Yes, it is. / No, it isn’t.
2. New words: a/an, spell, can, please, double etc.
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《What class are you in?》PPT，第四部分内容：Homework
（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，自编两则对话，写在作业本上。
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