培生启明星分级阅读 · 培生启明星L4
Looking at Materials
Look at these dogs. What are they made of ? These dogs are made of wood. The wood is smooth and hard.
Look at this bull. What is it made of? This bull is made of paper. The paper is thin and soft.
Look at this turtle. What is it made of? This turtle is made of sand. The sand is smooth and soft.
Look at this fish. What is it made of? This fish is made of glass. The glass is shiny and hard.
Look at these birds. What are they made of? These birds are made of metal. The metal is thin and hard.
