【题目】Teachers have to constantly update their knowledge in order to maintain their professional ________.
A. consequence B. independence
C. competence D. intelligence
在线课程【答案】C
【解析】试题考查名词辨析。句意:老师们要不断地更新自己的知识以保持他们能够胜任工作的能力。A. consequence 结果 B. independence独立 C. competence 资格;能力;胜任,称职 D. intelligence 智力,根据句意所以选C。