中国大学MOOC: What is the Tulou built of?
举一反三
- 中国大学MOOC: Beijing-Zhangjiakou Railway was built for the factors of ______.
- 中国大学MOOC: Who built the Great Wall?
- 中国大学MOOC: The rich man built a house to ________ the homeless.
- 中国大学MOOC: The earliest great Wall was built in the Ming Dynasty.
- 中国大学MOOC: The Forbidden City was designed and built in accordance with _____ principles.