Questions 19 to 21 are based on the passage you have just heard. Question 19 A) They are set by the dean of the graduate school. B) They are determined by the advising board. C) They leave much room for improvement. D) They vary among different departments. Question 20 A) By consulting the examining committee. B) By reading the Bulletin of Information. C) By contacting the departmental office. D) By visiting the university's website. Question 21 A) They specify the number of credits students must earn. B) They are harder to meet than those for undergraduates. C) They have to be approved by the examining committee. D) They are the same among various divisions of the university.