自己改编整理 ，思路清晰 ，好用 ，图片多
materials to build a house
aluminium铝 brick 砖
concrete 混凝土 glass 玻璃
mud 泥土 plastic 塑料
rubber 橡胶 steel 钢
stone 石材 wood 木材
1. ________________ is a very light metal.
2. ___________is a very strong metal.
3. Both ______and ________come from trees.
4. _________is light, strong, very popular , and man-made.
5. _________are often used to build walls.
6. _____________ is very strong and used in many modern buildings.
7. _________is w
