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.
- According to the passage, what is one disadvantage of skyscrapers that have mirrored walls A: The exterior surrounding air is heated. B: The building materials are very expensive. C: Construction time is increased. D: Extra air- conditioning equipment is neede
- According to the passage, what is one disadvantage of skyscrapers that have mirrored walls A: The exterior surrounding air is heated. B: The building materials are very expensive. C: Construction time is increased. D: Extra air- conditioning equipment is needed.
- We install and operate __________ of equipment that are used to lift and carry building materials.