C2
对话
1. What are the speakers mainly discussing?
Whether the lost city of Atlantis existed
The effects of the Santorini volcanic eruption
Which side the woman should take in a class debate
A way to refocus the topic of the woman’s paper
2. What is the professor’s attitude when the woman first mentions Atlantis?
He is surprised that she seems to accept an idea that has no factual basis.
He is impressed by the connection she is making between history and geology
He is intrigued, because geologists have been involved in the search for Atlantis.
He is concerned, because she has read conflicting information about Atlantis.
3. What aspect of the Santorini eruption does the professor want the woman to investigate?
Ways in which the eruption shaped the geography of Greece
How a research tool was modified to study the eruption
A more exact time frame for the eruption
What the eruption reveals about Earth’s core
4. What evidence of atmospheric cooling does the professor mention?（多选题）
Damage to Bronze Age artifacts
Ancient texts
Crop failures
Changes in tree growth
5. Why does the professor say this
To clarify the type of audience the presentation is intended for
To acknowledge the concern that the woman has expressed
To express regret for not fully explaining radiocarbon dating in class
To indicate that the woman knows more about radiocarbon dating than she
realizes
