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UNIT 18 Development Storytime.
Look and listen .
Then read and act out the story.
What are these "triangles" in your hands?
They're paper planes!
Let's fly the planes!
One...two...three...four...five.Ouch!
What's that with four circles,bobby?
It's a bike!And those "circle" are it wheels!
let's ride it together!Ouch!
Additonal Words.
Look at the pictures.
Match them with the words by drawing lines.
oval hexagon diamond.
n. 钻石，像钻石的物质，菱形，纸牌的方块，棒球内场
