Conversation 1
1. Why does the student go to see the professor?
A. To get his opinion about why a project she recently completed had unexpected results.
B. To discuss how a topic covered in class is similar to her group’s research topic.
C. To ask him for suggestions to address a problem in her research.
D. To discuss the professor's concern about her group's research project.
2. In response to the professor’s question, what does the woman say about Tom and Jane?
A. They are working on an assignment for another class.
B. They are already observing students for the research project.
C. They are dealing with a technical issue at the library.
D. They are making arrangements at the library for their research project.
3. What had the group of students planned to research?
A. The effect of noise on the productivity of library employees.
B. The effect of changing the amount of light in the library.
C. The study habits of students in the library.
D. The effect that being observed while studying has on students.
4. Why does the professor mention lighting?
A. To explain why production costs gradually increased over the years at a manufacturing plant
B. To give a reason for a decline in productivity at two manufacturing plants
C. To compare the working conditions at two manufacturing plants
D. To give an example of a working condition that was adjusted at a manufacturing plant
5. Why does the student say this?
A. She is disappointed with the observations that the members of her group have made so far.
B. She does not understand the point that the professor is making.
C. She wants to determine a way for her group to make observations in secret.
D. She is aware that her group’s presence might affect student behavior.
Conversation 2
1. Why does the student go to see the professor?
A. To find out whether the university gallery accepts student artwork.
B. To find out how artwork is selected for university gallery exhibitions.
C. To learn the focus of an upcoming exhibition of student artwork.
D. To learn which techniques the professor will cover in his class on abstract art.
2. Why does the student mention Jackson Pollock?
A. To indicate to the professor that she is familiar with the drip technique.
B. To find out if she can see an original painting by Jackson Pollock in the university gallery.
C. To make a comparison between her paintings and those of Jackson Pollock.
D. To express interest in taking the professor's class.
3. According to the professor, what distinguishes Jackson Pollock's work?
A. The method he used for applying paint to a canvas.
B. The location where he did his work.
C. The widespread popularity of his style of art.
D. The size of the paintings he produced.
4. What does the professor imply about his class on abstract art?
A. It focuses primarily on Jackson Pollock.
B. It is one of the most popular classes in the department.
C. It tends to attract the department's best students.
D. It encourages students to explore different painting techniques.
5. What does the professor imply when he says this:
A. Students must have taken a course in the technique featured in the exhibition.
B. Exhibiting in the university gallery is a degree requirement for art majors.
C. Artwork submitted by a first-year student will probably not be accepted.
D. The woman should submit her painting soon because the deadline is approaching.
Lecture 1
1. What is the main purpose of the lecture?
A. To provide an example of a practical use of nanotechnology.
B. To show the origins of the field of nanotechnology.
C. To give a brief outline of the main concepts of nanotechnology.
D. To explain the growing interest in nanotechnology research.
2. How does the professor organize the information he presents to the class?
A. He describes the inspiration behind the nanocoating, then how the coating works.
B. He describes how the nanocoating is currently marketed, then the inspiration behind it.
C. He explains how fogging occurs, then the basic concepts of nanotechnology.
D. He explains how fogging occurs, then how the nanocoating prevents it.
3. According to the professor, how does the new nanocoating work?
A. By forcing light to bounce off a glass-coated polymer.
B. By forcing water droplets to roll off an ultrathin surface.
C. By causing water droplets to merge into a single sheet of water.
D. By causing light to scatter randomly in many directions.
4. According to the information in the lecture, why does the new nanocoating not last as long on plastic as it does on glass?
A. Plastic cannot withstand extremely high temperatures.
B. The internal structure of plastic repels a positively charged polymer.
C. The coating solution scatters when it comes into contact with plastic.
D. Plastic surfaces scratch more easily than glass surfaces do.
5. What inspired the team of scientists in developing the new coating?
A. A problem the team frequently encountered in everyday life.
B. The ineffectiveness of spray solutions in flattening water droplets.
C. The leaves of a plant that the team had been investigating.
D. Interactions observed between silica nanoparticles and polymers.
6. What is the professor's opinion about the approach inventors took to the development of the new nanocoating?
A. He thinks other inventors should use a similar approach.
B. He is impressed by the flexibility of their approach.
C. He is surprised the research process took so long.
D. He thinks they should have spent more time testing a superhydrophobic coating.
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