C2
对话
1. Why does the student go to see the professor?
To ask if the topic that she chose for an assigned essay is appropriate
To ask the professor to explain a point that he made in class
To discuss an assignment that she recently submitted
To explain why she did not attend class yesterday
2. Why does the professor mention an upcoming oral presentation?
To indicate that it will be possible for the student to improve her grade for the class
To confirm that the student will be in class on the day that her presentation is scheduled
To remind the student that an oral assignment can be substituted for an essay assignment
To warn the student about the time limit for the presentation
3. Why does the student mention two butterfly species of the same color?
To ask why these butterflies are considered separate species
To remind the professor of an example that she included in her last essay
To indicate what she plans to discuss in her oral presentation
To indicate that she does not fully understand the concept of Batesian mimicry
4. What point about the viceroy butterfly is emphasized in the conversation?
The type of mimicry it exhibits is very rare
The type of mimicry it exhibits was classified incorrectly in the past.
Its use of mimicry has enabled it to prey on other species of insects
Its use of mimicry has not helped it defend itself against certain species of birds.
5. What opinion does the professor express when the student proposes a topic for her final research paper?
She might have trouble finding enough recent research on the topic she proposes.
She should not select a topic until later in the semester.
She should include more technical details in her paper than she includes in her presentation.
The topic she proposes is too similar to the topic of her oral presentation.