TOEFL Listening: ETS-TOEFL听力机经 - CX3JR3BZI12YTK1GP$

According to the professor, what is one benefit of hurricane monitoring airplanes? A. They help meteorologists determine the storm's path. B. They can gather all necessary information in just a few flights. C. Their equipment is not as sophisticated as a new technology. D. They can provide direct measurements of wind speed.