A: glazed tiles were invented and widely used;
B: the official system of urban planning modelled upon Kao Gong Ji (An Investigation of Construction) had taken shape.
C: Drawings and models were used to help design and construction
D: window lattices began to change from simple straight bars to intricate patterns.
举一反三
- What are the advantages of adit development? It is widely used in some mining areas with mountains and hills in China.( ) A: The system is simple and convenient for construction B: The system is complex, but the construction is convenient C: The construction is difficult, but the system is simple D: The construction is convenient and adaptable
- Which of the following were likely used in the construction of the Qin Era Great Wall? （ ） A: Dirt B: Wood C: Stone D: Brick
- Complete the following sentences with appropriate words in the box. Change their forms if necessary.retainbiodiversesustainablerenewableaffordablecalamityubiquitousinsulation Concrete, the ____________ gray material, is arguably the most widely used construction material worldwide.
- Steel structure is widely used in construction projects of small-scale building.
- The construction of "(If) simple past + (main) simple past" can be used to denote a past habit.
内容
- 0
Which of the following are mine construction procedures ?( ) A: Mine pre-feasibility study B: Mine feasibility study C: Preliminary mine design D: Mine construction design
- 1
Stone tools began to be replaced around 6,000 years ago by metal tools, who were used to build instruments and simple machines.（） A: began B: who C: to build D: simple
- 2
Once upon a time people _______leave their front doors unlocked. A: using to B: used to C: are used to D: were used to
- 3
Which of the following can be inferred about the first trumpet players A: They could not play all the notes of the scale.. B: They were not able to pick up the trumpet. C: They could not play simple tunes. D: They had difficulty improving upon the trumpet.
- 4
Which of the following can be inferred about the first trumpet players A: They could not play all the notes of the scale. B: They were not able to pick up the trumpet. C: They could not play simple tunes. D: They had difficulty in improving upon the trumpet.