[音频]Questions 16 to 18 are based on the passage you have just heard.
A. English, grammar, literature and math. B. History, science, English and math. C. Math, history, biology and chemistry. D. Physics, history, economics and music.
A. History is more important than the other courses. B. Chemistry is not popular with students. C. Music is not a required course. D. Every student has to study computer science.