填空题 Questions 20-22
Choose the correct letter, A, B, C or D.
Write your answers in boxes 20-22 on your answer sheet.

单选题 What was the motivation behind the tenure system?
A.To allow professors to pursue their research without outside influence.
B.To prevent academic positions from being used for research that is not useful.
C.To discipline professors who make claims that are not true.
D.To provide professors with a secure income so that they can focus on research.
【正确答案】 A
【答案解析】
单选题 Which of the following is NOT a feature of adjunct employment?
A.Contracts that expire after a limited period
B.Paid sick leave
C.Lecturing responsibilities
D.Difficulty securing funding for research
【正确答案】 B
【答案解析】
单选题 Why do adjuncts have low prospects for improving their academic position?
A.They are unable to receive medical care.
B.They do not have enough time for writing articles.
C.They work at more than one institution.
D.They are under-qualified.
【正确答案】 B
【答案解析】