Composite materials have been in existence for many centuries. The earliest man-made composite materials were straw and mud combined to form bricks for building construction.。（ ）
举一反三
- According to source, composite materials divided into: （） A: conductive composite materials B: natural composite materials C: artificial composite materials D: damping composites
- 中国大学MOOC: Green building materials refers to materials that are renewable, like straw, mud brick and timber.
- Green building materials refers to materials that are renewable, like straw, mud brick and timber. A: 正确 B: 错误
- Which material is not the oldest building materials? A: Mud brick B: Hard burnt bricks C: Wood D: Stone
- Composite materials are mixtures of two or more materials._