TOEFL Listening: ETS-TOEFL听力机经 - 5G3VPG9ICTW334QKP$

What is the professor's opinion about the importance of Roman aqueducts? A. She thinks they were more beautiful than functional. B. She believes they contributed to the expansion of the Roman Empire. C. She thinks they were most important in the city of Rome itself. D. She believes that modern cities have benefited from copying them.