Courses with the numbers 800 or above are open only to graduate students. Certain courses, generally those devoted to introductory material, are numbered 400 for undergraduate students and 600 for graduate students. Courses designed for students seeking a professional degree carry a 500 number for undergraduate students and a 700 munber for graduate students.

　　A full-time graduate student is expected to take courses which total ten to sixteen credit hours. Students holding assistantships are expected to enroll for proportionately fewer hours. A part-time graduate student must register for a minimun of five credit hours.

　　1. In order to be eligible to enroll in Mechanical Engineering 850, a student must be ________.

　　a. a graduate student

　　b. a part-time student

　　c. a full-time student

　　d. an undergraduate student

　　2. If an undergraduate student uses the number 520 to register for an accounting course, what number would a graduate student probably use to register for the same course?

　　a. accounting 520

　　b. accounting 620

　　c. accounting 720

　　d. accounting 820

　　3. A student who register for eight credit hours is a ________.

　　a. full-time student

　　b. graduate student

　　c. part-time student

　　d. non-degree student

　　4. A graduate student may not ________

　　a. enroll in a course numbered 610

　　b. register for only one three-hour course

　　c. register for courses if he has an assistantship

　　d. enroll in an introductory course

　　參考答案：accb