TOEFL Listening: ETS-TOEFL听力机经 - Z7F2IYM3TH0N1Q3HP$

What two requirements must students have fulfilled before they can take a precalculus course at the university? A. They need to have received permission from the professor who will teach the course. B. They need to have taken three years of mathematics classes in high school. C. They need to have passed a mathematics test given by the university. D. They need to have taken three mathematics courses at the university.