1.单词：

shape形状,  triangle三角形,  rectangle长方形,  

square正方形,  circle圆,  star星形,  oval椭圆形.

2.句型:

What shape is it?

它是什么形状？

It is a/an ………..

它是一个.....

What shape is it?

It is a triangle.

It is a rectangle.

It is a square.

It is a circle.

It is a star.

It is an oval.