老师：Hello, boys and girls 10, welcome to my class. Before this lesson, please prepare your English book, a pencil and a worksheet. Now let's begin our class. Today we are going to talk about shapes. 1St, let's enjoy a song about shapes.
老师：Around them, back to start. Curve around them, back to start, I think.
老师：down and back bug the mountain down and back up the mountain down and back ive been trying。 Short and long and short. Long and short and long and short. Long and short and long and short. My rectangle.
老师：Make a long curve and back up.
老师：Go over and over here. Go over and over here.
老师：Sleeping. Do you like this song? That's funny. Do you know them? Yes. They are shapes. Shapes. What shape is it? Circle. What shape is it? A square. What shape is it? Triangle. What shape is it? A rectangle. What shape is it? A star. What shape is it? Is a heart. They are all shapes.
老师：Shapes. Let's read them together. Circle. A circle. A square. A square. A triangle. A triangle. A rectangle. A rectangle. A star. A star. A heart. Heart. Shapes are everywhere. Circle can be basketball, an orange. Oh, Bill. Square can be a cookie, a box, a window. Triangle can be a sandwich, a sign, a roof. What about a rectangle? It can be desk, the pass door. Or maybe is the national flag. The national flag. The national flag of China. The national flag of China. Every country has their own national flag. Mama likes collecting national flag cars. He shows them to Sarah. They are talking about national flags now. What national flags do you see? I see the national flag of China, the national flag Britain, the national flag of Canada, the national flag of France, the national flag of Russia, the national flag of America. Which national flags are they talking about? Let's listen and watch.
学生：Look, this is our national flag. It's a rectangle and it's red.
学生：I see there are five yellow stars, one big star and four small ones. Look at our national flag. It's also a rectangle.
学生：Oh, how many stars are there? Let me count.
学生：There are 50 stars. Our flag is red, white and blue.
老师：Which national flags are they talking about? Yes, you are right. They are talking about the national flag of China and the national flag of America. This is our national flag. How do they describe it? Let's listen and watch.
学生：Look, this is our national flag. It's a rectangle and it's red.
学生：I see there are five yellow stars, one big star and four small ones.
老师：Look at our national flag. What shape is it?
学生：Yes, it's a rectangle.
老师：A rectangle. A rectangle. Vac, go. A rectangle, please follow me. A rectangle. A rectangle. What color is it? Super is red. So we can say.
学生：It's a rectangle and it's red. It's a rectangle and it's red.
老师：A rectangle and is red, plea
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