During the construction of skyscrapers, cranes are used to lift building materials to the upper class.
A: toss
B: tow
C: hoist
D: hurl
A: toss
B: tow
C: hoist
D: hurl
举一反三
- 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
- During the construction of high buildings, cranes (起重机) are used to ________ building materials to the upper floors.
- We install and operate __________ of equipment that are used to lift and carry building materials.
- Being the tallest building at the time when it was built, the construction of the Empire State Building was finished during the boom years.
- Building materials may be classified into three groups according to the purposes they are used for: structural materials, decoration materials and some special materials.