GRE Text Completion: Manhatton-GRE填空Manhatton - 9L2JK8IS1BH141B1=

Academic freedom does not protect a professor's classroom remarks on matters irrelevant to his subject, though it guarantees the professor considerable liberty of speech about matters ____________ to his or her academic work. A. germane B. indifferent C. mimetic D. disinterested E. congruent F. pertinent