Chinese mastered the technology of __________ approximately 5000 years ago.
A: iron smelting
B: metal smelting
C: bronze smelting
A: iron smelting
B: metal smelting
C: bronze smelting
举一反三
- Chinese had mastered the technology of smelting bronze approximately 5,000 years ago and iron tools came into use during the ___________.
- Chinese mastered the technology of __________ approximately 5000 years ago.
- The _____ controlled the technique of smelting (冶炼) iron for 200 years and made iron weapons to attack its enemy. A: Hittites (赫梯人) B: Assyrians (亚述人) C: Persians (波斯人) D: Phoenicians (腓尼基人)
- Charcoal had been the main fuel of smelting and casting industry before ( ).
- What does the Egyptian hall look like to the customers? A: A Chinese building from 4,000 years ago. B: A British building from 5,000 years ago C: An Egyptian building from 4,000 years ago D: An Australian building from 4,000 years ago