第十二讲：综合练习 　
一、选择填空练习
阅读下面的短文，文中有20处空白，每个空白处给出了四个选项。请根据短文的内容从四个选项中选择一个最佳答案。 To Be a Good Student
Many teachers believe that the responsibilities for learning lie with the student. (1) a long reading assignment is given, instructors expect student to be familiar with the (2) in the reading even if they do not discuss it in class or take an examination. The (3) student is considered to be (4) who is motivated to learn for the sake of (5)-- not the one interested only in getting high grades. Sometimes homework is returned (6) brief written comments but without a grade. Even if a grade is not given, the student is (7) for learning the material assigned. When research is (8) the professor expects the student to take it actively and to complete it with (9) guidance. It is the (10) responsibility to find books, magazines, and articles in the library. Professors do not gave the time to explain (11) a university library works; they expect students (12) graduate students to exhaust the reference (13) in the library. Professors will help students who need it, but (14) that their students should not be (15) dependent on them. In the United States professors have many other duties (16) teaching, such as administrative or research work. (17), the time that a professor can spend with a student out side of class is (18). If a student has problems with classroom work the student should either (19) a professor during office hours (20) make an appointment.
1. A If B Although C Because D Since
2. A suggestion B context C abstract D information
3. A poor B ideal C average D disappointed
4. A such B one C any D some
5. A fun B work C learning D prize
6. A by B in C for D with
7. A criticized B innocent C responsible D dismissed
8. A collected B distributed C assigned D finished
9. A maximum B minimum C possible D practical
10. A student's B professor's C assistant's D librarian's
11.A when B what B why D how
12. A particularly B essentially C obviously D rarely
13. A selections B collections C obviously D rarely
14. A hate B dislike C like D prefer
15. A too B such C much D more
16. A but B except C with D besides
17. A however B Therefore C Furthermore D Nevertheless
18. A plentiful B limited C irregular D flexible
19. A greet B annoy C approach D attach
20. A or B and C to D but
参考答案：
1 A 2 D 3 B 4 B 5 C 6 D 7 C 8 C 9 B 10 A
11 D 12 A 13 C 14 D 15 A 16 D 17 B 18 B 19 C 20 A