According to Paragraph 6, what caused the disappearance of film exchanges？
A. The increased profitability of the film industry.
B. A shift in preference toward Hollywood distributors.
C. The formation of corporate film monopolies.
D. A decline in the quality of their services.
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Why does the professor discuss the "biological clock"？
A. To review a term before the next test
B. To compare different types of clocks
C. To amuse students with a personal story
D. To respond to a student's question
In Paragraph 5, the author suggests that the rise in profits that came with the success of
A. led to an improvement in the overall quality of films.
B. was captured primarily by the film exchanges.
C. pressed studios to keep the production quota.
D. was most beneficial to film exhibitors.
What can be inferred from Paragraph 4 about film exchanges？
A. They charged high rental prices for the films they owned.
B. They possessed large amounts of startup capital.
C. They participated in both production and exhibition.
D. They broadened the market for films overseas.
What is the main purpose of the conversation？
A. The professor asked the student to come and talk to him.
B. The professor wants the student to be his teaching assistant.
C. The student wants a recommendation from the professor.
D. The student wants to discuss her research project.
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