第5单元--热身(副本) Look at the following buildings and choose what kinds of building materials are used.
举一反三
- During the construction of high buildings, cranes (起重机) are used to ________ building materials to the upper floors.
- 智慧职教: What ___ used as chief building materials today __ steel and concrete.
- During the construction of high buildings, cranes (起重机) are used to ________ building materials to the upper floors. A: toss B: increase C: hoist D: enhance
- What are the main building materials used in traditional Chinese architecture? A: Wood B: Brick C: Stone D: Soil
- While______(choose) building materials, cost is often a determining factor.