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冀教版一年级起点英语三年级下册《Unit 2 Animal Friends Lesson 10 Is It a Chicken》优质课ppt课件
duck
It is a duck.
sheep
It is a sheep.
What is this?
It is a sheep.
It is a chicken.
What is this?
What is this?
It is a duck.
询问某物是什么时用：
What is this？
It's a + 名称。
No, it isn't.It is a duck.
Is it a chicken?
No, it isn't.It is a chicken.
Is it a duck?
Yes, it is.
Is it a sheep?
确定某物是什么时用：
Is it a...？
肯定回答：Yes, it is.
否定回答：No, it isn't.
Development
duck