问题
选择题
Teachers have to constantly update their knowledge in order to maintain their professional ________．
A．consequence
B．independence
C．competence
D．intelligence
答案
答案：C
本题考查名词辨析。句意：教师要不断地更新他们的知识以便保持专业上的称职。 consequence后果，结果；independence独立；competence能力，胜任，称职；intelligence智力,智慧; 理解力。