L2：
1. What is the lecture mainly about?
Recently discovered archaeological sites from Viking Age Scandinavia
A new theory about the production of goods in Viking Age Scandinavia
A new way of thinking about the development of towns in Viking Age Scandinavia
The rise and fall of trade networks in Viking Age Scandinavia
2. Why does the professor mention airports?
To illustrate the concept of a nodal point
To explain the original application of network
To contrast modern commerce with medieval trading
To emphasize the role of technology in trading networks
3. According to the professor, what artifacts were found at only seven Viking trading sites?（多选题）
A large quantity of copper coins from Germany
Several pieces of jewelry made from silver
A large quantity of imported ceramics
Evidence of the production of bronze castings
4. According to the professor, in what way were early Scandinavian towns different from later settlement?
Early Scandinavian towns were less likely to be fortified.
Early Scandinavian towns had more contact with the surrounding countryside.
Early Scandinavian towns were farther apart from one another.
Early Scandinavian towns were less likely to be involved in international trade.
5. What does the professor imply is a problem with the central-place theory?
It assumes that all early Viking towns were long-distance trading centers.
It assumes that all early Viking towns had military power.
It assumes that all of the early Viking towns were about the same size.
It assumes that all central places grew into large towns.
6. What does the professor imply when she says this:
The theory is often misunderstood.
The theory applies mainly to Scandinavia.
The theory has evolved over time.
The theory is known by another name.
