C2：
对话
1. Why does the student go to see the professor?
To find out why the mining industry in the western United States declined in the
1800s
To find out how to improve the first draft of a paper she is writing
To ask the professor to recommend sources of information for a research paper
To get advice about a possible topic for a research paper
2. What aspect of the history of Park City, Utah, interests the student?
The reasons Park City went through periods of economic hardship and success
The reasons Park City became a destination popular among skiers
How Park City became the main source of silver in the United States
Why Park City recovered from a national recession more quickly than other towns did.
3. What does the professor say were two important factors in the decline in silver mining in Park City, Utah?（多选题）
The increasing cost of extracting silver
A decline in the price being paid for silver
The higher wages being paid to miners in other places
A national downturn in economic activity
4. Why does the professor mention the town of Bodie, Califomia?
To emphasize the economic problems in the mining industry during the early
1900s
To illustrate the wide appeal of skiing in the United States in the early 1900s
To give an example of a former mining town that survived without becoming a ski resort
To give an example of a town that remained a mining town well into the 1900s
5. What do the student and professor agree that the student should do as part of her research?（多选题）
Try to find firsthand accounts of life in mining towns
Investigate in detail the events in a few specific towns
Consider the role of flooding in the decline of Bodie, California
Determine why most failed mining towns did not recover economically
Look at the history of mining towns in the context of the history of the United States as a whole
