2015
高考英语人教版一轮复习课时练习及答案：必修2u3 unit 3 computers ⅰ.单项填空 1．teachers have to constantly update their knowledge in order to maintain their professional____. a．consequence b．independence c．competence d．intelligence 解析 考查名词词义的辨析。consequence结果；后果；independence 独立； competence 能力；intelligence智力。句意：教师必须不断的更新自己知识以便于保持他们在职业上的能力。答案 c
