46. What is PBS most famous for? (A) Cable services. (B) Generous donations. (C) Educational programs. (D) Live news broadcasts.

47. Which of the following is true about public television stations? (A) The majority of their viewers are minority people. (B) Ninety-five percent of their programs are tele-courses. (C) They are shrinking in number because they make no profits. (D) Their courses are accepted by many universities in America.